Pass4Sure.4A0-104,288.Questions

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1 Pass4Sure.4A0-104,288.Questions Number: 4A0-104 Passing Score: 800 Time Limit: 120 min File Version: A0-104 Alcatel-Lucent Services Architecture : Modified few questions, fixed few spelling mistakes and typos. : Finally, I got right questions for this exam and share with you guys. Best Wishes. : I only used these questions and got 480 marks with this. Perfect Show. : Nicely written Questions with many corrections inside. : 100% valid, I didn't fail any question, all of them are in this VCE. : Done right now! Super valid!

2 Exam A QUESTION 1 3 Epipe services and 2 VPLS services have been configured between two PE routers. How many service labels will be signaled in total? A. 2 B. 3 C. 4 D. 5 E. 6 F. 10 Correct Answer: F /Reference: QUESTION 2 Which of the following statements are TRUE about configuring a SDP between an IES and a VPLS? (Choose 2) A. The SDP must be a mesh B. The SDP must be a spoke. C. Once the SDP is configured on both PE routers, both the services will be operationally up without further configuration changes. D. The Layer 2 MTUs must match between the IES and the VPLS E. The Layer 2 MTU must be 14 bytes smaller on the VPLS than it is on the IES. D /Reference: QUESTION 3 Port 1/1/1 has been configured as an access port with encapsulation dot1q on an Alcatel-Lucent 7750 SR. Which of the following statements are TRUE? (Choose 2) A. The SAP 1/1/1 will forward all traffic transparently. B. The SAP 1/1/1:0.* will forward all untagged traffic and traffic tagged with VLAN 0. C. The SAP 1/1/1:* will forward untagged traffic but not tagged traffic. D. TheSAP1/1/1:400 will forward customer traffic tagged with VLAN 400 E. The SAP 1/1/1:0 will forward untagged traffic and traffic tagged with VLAN 0 E /Reference: QUESTION 4 Which VPWS service would be used to create a point-to-point Frame Relay service? A. Epipe

3 B. Apipe C. Fpipe D. Ipipe E. Cpipe /Reference: QUESTION 5 Which routing protocol cannot be run over an Ipipe? A. OSPF B. RIP C. BGP D. IS-IS /Reference: answer is valid. QUESTION 6 Which service is needed to bridge an ATM service to an Ethernet service? A. Apipe B. Fpipe C. Cpipe D. Epipe E. Bridge service /Reference: QUESTION 7 How many service labels must be signaled to bring up a fully meshed VPLS service among four PE routers? A. 1 B. 4 C. 6 D. 8

4 E. 12 F. 24 Correct Answer: E /Reference: QUESTION 8 Which of the following most accurately describes the default behavior of a VPLS regarding the handling of a tagged frame at the ingress of SAP 1/1/1:100? A. The FCS is verified and the customer frame is transported intact over the service provider network. B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network. C. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network. D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network. /Reference: QUESTION 9 What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan? A. The frame is dropped. B. The service ID is added as the VLAN tag. C. A VLAN tag of 0 is added as the provider VLAN tag D. The frame is forwarded with no VLAN tag /Reference: QUESTION 10 What distinguishes a VPLS service from a VPWS service? A. VPLS supports point-to-point connections. B. VPLS supports multipoint-to-multipoint connections C. VPLS supports a distributed service D. VPLS supports a local service on a single node. /Reference: QUESTION 11

5 Which of the following statements best describes the flooding of traffic on a PE when traffic is received on a SAP? A. Traffic is flooded to all SAPs in the service. B. Traffic is flooded to all SAPs and spoke SDPs in the service. C. Traffic is flooded to all SAPs and mesh SDPs in the service. D. Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service. E. The traffic is not flooded. /Reference: QUESTION 12 Which of the following represents a SAP on a physical port configured with Q-in-Q encapsulation? A. sap 1/1/1 B. sap 1/1/1:5 C. sap 1/1/1:5:5 D. sap 1/1/1: /Reference: QUESTION 13 In a VPLS service, the mesh-sdp vc-id is identical to the service id by default. A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 14 How many SAPs can be configured on a port configured with NULL encapsulation? A. 1 B C. None. This encapsulation is not supported. D. The number is limited only by the capacity of the router Correct Answer: A /Reference: QUESTION 15

6 Customer 'A' has sites on 3 different Alcatel-Lucent PE routers. The routers are connected to each other through an IP/MPLS network in a full mesh fashion. Customer 'A' requires a VPLS service. Which of the following statements are TRUE? (Choose2) A. Each router requires 1 VPLS service. B. Each router requires 2 VPLS services. C. Each router requires 1 SDP with 2 LSPs, one to each of the other 2 routers. D. Each router requires 2 SDPs. E. Each router requires 3 SDPs Correct Answer: AD /Reference: QUESTION 16 Which of the following statements best describes the flooding of traffic on a PE when traffic is received on a spoke SDP? A. Traffic is flooded to all SAPs in the service. B. Traffic is flooded to all SAPs and spoke SDPs in the service. C. Traffic is flooded to all SAPs and mesh SDPs in the service. D. Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service E. The traffic is not flooded. /Reference: QUESTION 17 What does a PE do when a frame is received in a VPLS service with an unknown destination address by default? A. Drop the frame. B. Flood the frame to all PEs participating in the service. C. Send a destination unreachable message back to the originating host. D. Store the frame until the destination is known /Reference: QUESTION 18 What is the default vc-type for an SDP on the Alcatel-Lucent 7750 SR? A. vc-type null B. vc-type ether C. vc-type vlan D. vc-type none

7 /Reference: QUESTION 19 Which of the following best completes the sentence: "An Internet Enhanced Service is a service where the CE communicates with a interface to send and receive traffic. A. distributed/virtual B. local/sub C. routed/layer 3 D. distributed/routed E. Layer 2/loopback /Reference: QUESTION 20 Which of the following statements is TRUE? A. An OSPF adjacency can be established on an IES interface. B. IES allows provider MP-BGP sessions to be extended to customers. C. An IES service must use static routes in order to communicate with customer networks. D. An IES interface supports OSPF and IS-IS in passive mode only. Correct Answer: A /Reference: QUESTION 21 What are the two major differences between configuring an IES service and configuring VPWS or VPLS services? (Choose 2) A. IES does not support QoS. B. IES has a configurable IP-MTU C. A virtual route table must be configured for an IES service. D. An IES interface has an IP address assigned to it. D /Reference: QUESTION 22 An ES service can have both MAC and IP filters applied to it. A. TRUE B. FALSE

8 /Reference: answer is updated. QUESTION 23 What can the sdp-ping command be used for? (Choose 2) A. To test the ability of reaching the far-end IP address of an SDP within the SDP encapsulation B. To determine the path MTU to the far-end IP address over an SDP. C. To determine the service MTU of the service using an SDP. D. To determine the presence of hosts using the service Correct Answer: AB /Reference: QUESTION 24 Which of the following statements are TRUE regarding sdp-ping? (Choose 3) A. Provides a mechanism to determine the hops an SDP traverses. B. Provides in-band uni-directional connectivity tests. C. Provides in-band round-trip connectivity tests. D. Tests ability of reaching the far-end IP address of an SDP ID within the SDP encapsulation. E. Provides information regarding the exact MTU supported between service ingress and service termination. CD /Reference: QUESTION 25 Which OAM command can be used to verify the correct and consistent provisioning of a service between two service end points? A. sdp-ping B. Isp-ping C. sap-ping D. svc-ping /Reference: QUESTION 26 Which of the following items can NOT be used as a mirror source? A. A physical port. B. ASAP.

9 C. Ingress MPLS frames with a specific label. D. Entries that match an IP filter. E. Entries that match a MAC filter. F. All of the above can be used as a mirror source. Correct Answer: F /Reference: QUESTION 27 A technician sitting in a Network Operations Center would like to set up a remote mirror on an Alcatel- Lucent 7750 Service Router to examine some data traffic ingressing a port at a remote site. Which of the following are required? (Choose 2) A. A mirror destination on the local and remote Alcatel-Lucent Service Router, B. A mirror source on the local and remote Alcatel-Lucent Service Router. C. A mirror source with the remote source specified on the remote Alcatel-Lucent Service Router. D. A mirror source with the remote source specified on the local Alcatel-Lucent Service Router. E. An SDP between the local and remote Alcatel-Lucent Service Routers. Correct Answer: AE /Reference: QUESTION 28 Click on the exhibit button below. Assuming the customer only needs to monitor traffic from PE3 to the customer site, what three items are missing from PE3's configuration? (Assume that the IP/MPLS network structure between the local and remote PEsis in place.)

10 A. The mirror destination configuration on PE5 is missing the "remote-source" command, B. The mirror destination on PE3 needs a "remote-source" command. C. The mirror service IDs on the local and remote destinations must match. D. The mirror source on PE3 needs a "remote-source" command. E. The mirror source command on the remote PE3 needs a command that tells it to monitor port 1/1/2. Correct Answer: ACE /Reference: QUESTION 29 On Alcatel-Lucent 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods. A. ISIS, RIP, OSPF, static routes B. BGP, ISIS, RIP, OSPF, static routes C. BGP, RIP, OSPF, static routes, OSPF3 D. ISIS, RIP, OSPF, static routes, OSPF3 /Reference: QUESTION 30 Which of the following statements is TRUE about the VRF? A. The VRF is a virtual router on the PE router that contains the customer's routes for the VPRN B. Each PE maintains multiple VRFs based on the number of PE peers it connects to. C. Each PE has a VRF for each VPRN service provisioned on the router. D. All of the above. E. Only A and C. F. Only A and B Correct Answer: E /Reference: QUESTION 31 Which of the following statements best describes the purpose of an MP-BGP in a VPRN? A. Routes from different customers with the same IPv4 address prefix are treated as equivalents by MP- BGP. B. Alcatel-Lucent 7750 SR routers support MP-BGP for VPN label signaling in a VPRN service only if LDP is used for LSP signaling. C. The multi-protocol nature of MP-BGP allows VPRN routes to be distributed within the provider core network as IPv4 routes. D. MP-BGP is an enhanced version of BGP that can carry a service label, a tranpot label, and customer route prefixes. E. None of the above statements describe the use of an MP-BGP in a VPRN.

11 F. All of the above statements describe the use of an MP-BGP in a VPRN. Correct Answer: E /Reference: QUESTION 32 Click on the exhibit button below. Is a routing policy required on PE1 to advertise a CE1's system interface to PE2? A. Yes. A routing policy is required to advertise routes between PE routers in a VPRN B. No. A routing policy is not required; the default behavior on the 7750 SR is to advertise all VPRN routes between PE routers. C. A routing policy is required only when BGP is used as the PE-CE routing protocol, as shown in the exhibit. D. A CE1 system interface can not be advertised to PE2 since the CE routers are not aware of the VPRN. /Reference: QUESTION 33 Which of the following statements is NOT a valid reason to use MP-BGP as a routing protocol to transport VPRN routes? A. The number of VPRN routes can become very large. MP-BGP can support a very large number of routes. B. MP-BGP can carry routing information for a number of different address families. C. MP-BGP is designed to exchange information between routers that are not directly connected. This feature keeps VPRN routing information out of P-routers. D. MP-BGP can carry additional information attached to a route as an optional BGP attribute. E. All of the above statements are valid reasons for using MP-BGP as a VPRN routing protocol. Correct Answer: E /Reference:

12 QUESTION 34 Which of the following statements best describes a route target? A. A route target is a BGP extended community used to identify the VRF table for a prefix at the receiving PE B. A route target is a mechanism from which VPRN controls the distribution of VPN routing information. C. Route target attributes are earned in a MP-BGP as attributes of the route. D. A route target is used by the PE router to identify the VRF that a VPN-lPv4 prefix is associated with. E. All of the above statements describe a route target F. None of the above statements describe a route target Correct Answer: E /Reference: QUESTION 35 Click on the exhibit button below. If CE1 and PE1 use BGP to exchange routing information and CE2 and PE2 use static routing to forward traffic to and from the VPRN, which of the following statements is considered TRUE? A. An export policy is required on PE1 to advertise routes to CE1. B. An export policy is not required on PE2 to advertise routes to CE2. C. An export policy is not required to advertise routes between PE routers D. All of the above statements are true E. All of the above statements are false /Reference: QUESTION 36 Which of the following statements is TRUE concerning a VPRN data plane flow? A. A data packet will receive a service label at the CE and a transport label at the ingress PE. B. A data packet intended for a remote CE will have its service label swapped at each P router along the path towards the egress PE. C. At the egress PE, the transport label will be popped and the data packet forwarded with the service

13 label. D. The service label is popped by the remote CE. The unlabeled packet is forwarded based on the longest match lookup algorithm in the VRF. E. All of the above statements are false. F. All of the above statements are true. Correct Answer: E /Reference: QUESTION 37 Which of the following steps is mandatory when enabling an MP-BGP session between PE routers in a VPRN? A. Configure an autonomous system number in the global context. B. Configure a BGP group and peer parameters. C. Configure a VPN-IPv4 address family. D. All of the above steps are mandatory. E. None of the above steps are mandatory. /Reference: QUESTION 38 Click on the exhibit button below. Which of the following is the correct configuration for an MP-BGP session on 6VPE1? A. PE1>config>router>bgp#info group "multi-bgp" family vpn-ipv6 neighbor /32 local-address peer-as exit exit B. PE1>config>router>bgp#info group "multi-bgp"

14 family ipv6 vpn-ipv4 neighbor local-address peer-as exit exit C. PE1>config>router>bgp#info group "multi-bgp" family vpn-ipv6 neighbor local-address peer-as exit exit D. PE1>config>router>bgp#info group "multi-bgp" family ipv6 vpn-ipv6 neighbor /32 local-address peer-as exit exit /Reference: QUESTION 39 Click on the exhibit button below. Which of the following is the correct configuration on 6VPE1 for a BGP peering session with CE1? A. PE1>config>service>vpm>bgp#info group "toce1" family ipv6 export "mbgp-bgp" neighbor 2001:db8:12::1 peer-as exit exit B. PE1>config>service>vpm>bgp#info group "toce1"

15 family ipv6 export "mbgp-bgp" neighbor 2001:db8:12:1 peer-as exit exit C. PE1>config>router>bgp#info group "tocel" family ipv6 export "mbgp-bgp" neighbor 2001 db8:12::1 peer-as exit exit D. PE1>config>router>bgp#info group "toce1" family ipv6 export "mbgp-bgp" neighbor 2001:db8:12::1 peer-as exit exit Correct Answer: A /Reference: QUESTION 40 An operator needs to provision 6VPE on a 7750 SR that is also used to provide existing IPv4 VPRN services. IPv6 VPRN customers use BGP as a PE-CE protocol. Which of the following statements is FALSE regarding the configuration steps required? A. MP-BGP sessions need to be configured in the service provider network to support a VPN- IPv6 address family. B. PE routers must be configured to run MP-BGP and IPv6 C. PE-to-CE BGP sessions need to be configured to support IPv6. D. The provider core must be configured to support IPv6 E. None of the above statements are false. F. All of the above statements are false /Reference: Topic 2, Volume B QUESTION 41 Which of the following best describes a VPWS? A. Layer 3 direct Internet access service. B. Layer 2 point-to-point service. C. Layer 2 multipoint-to-multipoint service. D. Layer 3 IP multipoint-to-multipoint VPN service.

16 /Reference: QUESTION 42 Which of the following best describes an IES? A. Layer 3 direct Internet access service. B. Layer 2 point-to-point service. C. Layer 2 multipoint-to-multipoint service. D. Layer 3 IP multipoint-to-multipoint VPN service. Correct Answer: A /Reference: QUESTION 43 Which of the following are characteristics of a SDP? (Choose 2) A. SDPs are a logical way to direct traffic from one router to another. B. SDPs are a logical way to direct traffic between services. C. SDP IDs are locally unique. D. SDP IDs must be unique across the network. E. SDPs are specific to one service type F. SDPs must use MPLS for their encapsulation Correct Answer: AC /Reference: QUESTION 44 The terms "customer" and "service" are used synonymously when describing a service implementation on the Alcatel-Lucent 7750 SR. A. TRUE B. FALSE /Reference: QUESTION 45 Which of the following commands is used to enable an Epipe service? A. config>service# epipe service-id enable B. config>service# vpws service-id enable C. config>service# service-id no shutdown D. config>port# port-id no shutdown E. config>service# epipe service-id no shutdown

17 Correct Answer: E /Reference: QUESTION 46 Epipe services do no consume any MAC resources because MAC learning is disabled. A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 47 When provisioning a spoke-sdp on an Epipe, what MUST match on both ends of the service? A. Service ID B. Customer ID C. SAPID D. VC-ID E. SDPID /Reference: QUESTION 48 Which of the following commands is used to configure a new MPLS SDP? A. configure router sdp sdp-id B. configure service sdp sdp-id create C. configure service mpls sdp sdp-id create D. configure service gre sdp sdp-id create E. configure service sdp sdp-id mpls create Correct Answer: E /Reference: QUESTION 49 Which of the following commands is used to create a new Epipe service? A. configure epipe service-id customer customer-id create B. configure service epipe service-id customer customer-id create C. configure epipe service-id create D. configure epipe service-id customer customer-id create

18 E. configure epipe service service-id customer customer-id create /Reference: QUESTION 50 When configuring RSVP-TE for transport tunnels, which command enables RSVP by default? A. configure router tunnel B. configure router gre C. configure router rsvp-te D. configure router transport-tunnel E. configure router mpls Correct Answer: E /Reference: QUESTION 51 Which of the following conditions are necessary in order for service labels to be signaled between two PE routers? (Choose 3) A. LDP must be enabled on both PE routers. B. RSVP must be enabled on both PE routers. C. Traffic engineering must be enabled in the IGP. D. The VC-ID must match between the two PE routers in both directions. E. The transport tunnel must be operationally up between the two PE routers in both directions. F. The SDP ID must match between the two PE routers in both directions. Correct Answer: ADE /Reference: QUESTION 52 A mesh SDP is used to create an Fpipe service. A. TRUE B. FALSE /Reference: QUESTION 53 Which of the following statements are TRUE about configuring a distributed Epipe service? (Choose 2) A. The vc-id on the spoke-sdp must be explicitly configured.

19 B. The vc-id on the mesh-sdp must be explicitly configured. C. The vc-id on the spoke-sdp can be configured to match the service id. D. The vc-id on the mesh-sdp can be configured to match the service id. E. The vc-id on the spoke-sdp does not have to be explicitly configured and will use the service id. F. The vc-id on the mesh-sdp does not have to be explicitly configured and will use the service id. Correct Answer: AC /Reference: QUESTION 54 In a Layer 2 encapsulation, using Martini, what does the first (top) label represent? A. Tunnel Label B. VC Label C. Operational Control Word D. UNI E. NNI Correct Answer: A /Reference: QUESTION 55 In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent? A. Tunnel Label B. VC Label C. Operational Control Word D. VPI E. VCI /Reference: QUESTION 56 Which of the following SAPs will forward tagged frames with an outer VLAN tag of 200? (Choose 3) A. sap 1/1/1 B. sap 1/1/1:* C. sap 1/1/1:*.0 D. sap 1/1/1:0* E. sap 1/1/1:200.* F. sap 1/1/1:300:200 Correct Answer: ABE

20 /Reference: QUESTION 57 On which of the following is it NOT possible to configure a MTU? A. Network port B. Access port C. LSP D. SDP E. Service /Reference: QUESTION 58 Which of the following statements best describes an FDB used in a VPLS service? A. A VPLS service does not use an FDB. B. An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router. C. An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router. D. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service. E. For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic. /Reference: QUESTION 59 A network consists of 4 PE routers. A customer requires a VPLS service and has sites connected to each PE. Each site must have direct connectivity with all other sites. How many SDPs must be configured on each PE? A. 0 B. 2 C. 3 D. 4 /Reference: QUESTION 60 What is a key benefit of a VPLS service?

21 A. The customer maintains complete control over routing. B. The adding of new sites is simplified; no re-configuration is required at existing sites. C. The clear demarcation of functionality between service provider and customer makes troubleshooting easier. D. All of the above. /Reference: QUESTION 61 Which of the following defines a SAP that will select frames with an outer tag of '4' and ignore any inner lag on a Q-in-Q encapsulated port? A. sap 1/1/1:0.* B. sap 1/1/1 C. sap 1/1/1:*.4 D. sap 1/1/1:4.* /Reference: QUESTION 62 Which protocol is used to signal the outer label for a VPN service? A. RSVP B. IPCP C. TLDP D. PPP E. Either RSVP or LDP Correct Answer: E /Reference: QUESTION 63 When configuring an IES spoke termination to a VPLS, what must be explicitly configured in order for the service to come up? (Choose 2) A. MTU must match on both services, B. Mesh-SDP with matching vc-id configured, C. Spoke-SDP with matching vc-id configured. D. Spoke-SDP. Correct Answer: AC /Reference:

22 QUESTION 64 Which of the following are characteristics of an IES service? (Choose 2) A. A virtual routing/forwarding table is created per IES service. B. Only one IES service can be created for a single customer ID. C. More than one IP interface can be created within a single IES service. D. All IP interfaces created within the same IES service belong to the same customer D /Reference: QUESTION 65 What command syntax would be used to create a new IES service with a service id of 5 and a customer id of 1000? A. configure ies 5 customer 1000 create B. configure router ies 5 customer 1000 create C. configure service ies 5 customer 1000 create D. configure router ies 5 customer 1000 /Reference: QUESTION 66 Which of the following commands would be used to show the operational state of all IES services? A. show service id 5 B. show service ies C. show service service-using ies D. show service id 5 base /Reference: QUESTION 67 Fragmentation is supported on a Layer 2 service A. TRUE B. FALSE /Reference:

23 QUESTION 68 Which of the following commands is used in an RSVP signaled MPLS tunnel to validate the path MTU based on signaling across the LSP? A. Path MTU is always calculated from the MTU of the egress network port on the head end PE. B. oam sdp-mtu C. adspec D. cspf /Reference: answer is valid. QUESTION 69 Which of the following best describes how the path-mlu is chosen for an SDP? A. An SDP does not have a path-mtu B. The path-mtu must be set by the administrator. C. By default, the path-mtu is calculated automatically from the network port MTU of the PE router. D. The path-mtu is calculated based on the service MTU of the service using the SDP. E. The path-mtu is signaled between the PE endpoints when the service is established. /Reference: QUESTION 70 Click on the exhibit button below.

24 Assuming the customer only needs to monitor traffic from PE3 to the customer site, what two items are missing in the configuration of PE5, the Alcatel-Lucent 7750 Service Router in the Head Office? (Assume that the IP/MPLS network structure between the local and remote PEs is in place.) A. The mirror destination configuration on PE5 is missing the "remote-source" command. B. There needs to be a mirror source configuration on PE5 with the "remote-source" command. C. This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site. D. There needs to be a configuration command to put sap 1/1/3 on the mirror destination of PE5. E. There needs to be a configuration command to put sap 1/1/3 on the mirror source of PE5 Correct Answer: AD /Reference: QUESTION 71 Which of the two following statements are TRUE? A. When an Alcatel-Lucent Service Router is rebooted, the mirror destination and mirror source must be re-configured B. A mirror destination is shut down by default on an Alcatel-Lucent Service Router. C. A mirror source is shut down by default on an Alcatel-Lucent Service Router. D. When an Alcatel-Lucent Service Router is rebooted, the mirror destination must be re- configured. E. When an Alcatel-Lucent Service Router is rebooted the mirror source must be re-configured. E /Reference: QUESTION 72 Which of the following statements is FALSE about the VPN label? A. The VPN label is signaled between PE devices using MP-BGP. B. The VPN label is swapped at each P router as a packet crosses the service provider network. C. The VPN label is also known as the inner label or service label. D. The VPN label indicates which VPRN a packet should be sent to once it reaches the egress PE. E. All of the above F. Only C and D. /Reference: QUESTION 73 Which of the following statements is TRUE concerning route distinguishes on the 7750 SR? A. Route distinguishes are 12 bytes in length B. Route distinguishes are appended to IPv4 prefixes to form 16 byte VPN-IFV1 prefixes. C. Route distinguishes are used to determine which routes a VPRN should import.

25 D. CE routes must be configured with the proper route distinguishes for the VPRN they are associated to E. All of the above statements are true. F. All of the above statements are false. Correct Answer: F /Reference: QUESTION 74 Which of the following statements is TRUE regarding a VRF? A. A VRF contains a single VPRN routes. B. Every VRF in a PE is associated with one or more route target attributes. C. Each VPRN needs a separate VRF in each PE router. D. On the 7750 SR, by default, there is a unique one-to-one association between a VPN label and a VRF E. All of the above statements are true. F. All of the above statements are false. Correct Answer: E /Reference: QUESTION 75 Which of the following statements is TRUE concerning the advertisement of VRF routes on a 7750 SR? A. By default, a 7750 SR does not advertise all routes in the VRF to a CE router. B. The default 7750 SR behavior describes all routes in a VRF that are advertised to other PE routers. C. By default, a 7750 SR does not advertise all routes in the VRF to other PE routers. D. By default, a 7750 SR advertises all routes in the VRF to a CE router. Correct Answer: AB /Reference: QUESTION 76 Which of the following statements is FALSE regarding 6VPE? A. Multiple MP-BGP sessions are required to carry VPN-IPv4 and VPN-IPv6 routes. B. PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one C. In 6VPE, MP-BGP is used to advertise IPv6 prefixes and the associated VPRN label. D. In 6VPE, the provider core routers are IPv6-unaware. E. All of the above statements are true. F. All of the above statements are false. Correct Answer: A /Reference:

26 QUESTION 77 Which of the following statements is FALSE regarding 6VPE? A. 6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 information over an IPv4 MPLS infrastructure. B. Customers connected to 6VPE could run native IPv6 or IPv4. C. On the PE router, the next hop for a VPN IPv6 address is an IPv6 address, regardless of the nature of the network between the PEs. D. 6VPE requires an IPv6-aware MPLS core. E. Both C and D are false. F. All of the above statements are true. /Reference: QUESTION 78 Which of the following is NOT a service offered on the Alcatel-Lucent 7750 SR? A. IES B. VPWS C. VPLS D. VPRN E. L2TP Correct Answer: E /Reference: QUESTION 79 Which of the following best describes a VPRN? A. Layer 3 direct Internet access service. B. Layer 2 point-to-point service. C. Layer 2 multipoint-to-multipoint service. D. Layer 3 IP multipoint-to-multipoint VPN service. /Reference: QUESTION 80 Which of the following describes a service on the Alcatel-Lucent 7750 SR? A. A logical entity that provides a uniform, end-to-end configuration, management and billing model for provisioning either Internet or VPN connectivity. B. Provides connectivity between customer access points. C. A service that can either be local or distributed. D. All of the above

27 /Reference: QUESTION 81 Once a service has been created with a customer association, it is possible to change the customer association. A. TRUE B. FALSE /Reference: QUESTION 82 What needs to be configured before a SAP appears? (Choose 2) A. Configuring the physical port in access mode. B. Configuring the physical port in network mode. C. Enabling the port using the no shutdown command. D. Ports are enabled by default, thus no need to use the no shutdown command. Correct Answer: AC /Reference: QUESTION 83 All services mapped to an SDP use the same transport encapsulation type (either GRE or MPLS) A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 84 A Cpipe supports both structured and unstructured frames.

28 A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 85 A service provider wishes to configure a Layer 2 service that will forward customer VLAN tags. When configuring an SDP for the service, which vc-type will forward service delimiting tags on the ingress PE? A. vc-type ether B. vc-type vlan C. vc-type dot1q D. vc-type null /Reference: QUESTION 86 Which service type would be used to provide a bi-directional Layer 2 connection of TDM circuits over an IP/ MPLS network? A. A-pipe B. E-pipe C. I-pipe D. F-pipe E. C-pipe Correct Answer: E /Reference: QUESTION 87 Which of the following SAP encapsulations support multiple services on a port? (Choose 3) A. dot1q B. null C. qinq D. atm E. ipcp F. bcp-null Correct Answer: ACD /Reference:

29 QUESTION 88 When a tagged packet is received on a SAP configured with dot1q encapsulation, the VLAN tag must match the value configured on the SAP in order to be forwarded. A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 89 In a Layer 2 VPN service, the FCS is stripped when a customer packet arrives at the ingress PE and regenerated on egress. A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 90 By default, what does a PE do to support VPLS services for different customers? (Choose 2) A. MAC learning. B. Maintain a different Forwarding Data Base for each service C. ARP mediation. D. Maintain a different Routing Information Base for each service. Correct Answer: AB /Reference: QUESTION 91 What is the minimum Ethernet physical network MTU required for a Layer 2 service on a GRE encapsulated SDP with a service MTU of 1514? A B C D E /Reference:

30 QUESTION 92 A network technician needs to set up a local mirror to replicate traffic for examination with a protocol analyzer. The analyzer is on port 1/1/4 of his service router. Which of the following configuration steps is required? A. A mirror source listing port 1/1/4. B. A mirror destination listing port 1/1/4. C. A remote source command indicating the IP address of the service router he is configuring a local mirror on. D. Verification that his IP/MPLS infrastructure is in place E. None of the above. /Reference: QUESTION 93 Which of the following best describes the label stack for a packet in the VPRN context? A. An outer label and a transport label. B. An inner label and a service label. C. A transport label and a service label. D. An MPLS transport label /Reference: QUESTION 94 Which of the following statements about VPRN is NOT true? (Choose 2) A. VPRN is an IP service that connects multiple sites in a single routed domain over the provider-managed IP/MPLS network. B. Each VPRN consists of a set of customer sites that must connect to the same PE router C. In a VPRN service, each customer router becomes a routing peer to other customer routers D. VPRN provides customer routers with transparent IP connectivity without knowledge of the MPLS core C /Reference: QUESTION 95 A VPRN service is configured with BGP used as the CE-PE routing protocol. What address families are

31 required on the PE-CE BGP session? A. VPN-IPv4 address families are required in order for routes to be exchanged with the PE. B. Only default IPv4 address families are required since the CE is not aware of the VPRN service C. Either IPv4 or VPN-IPv4 address families can be configured on the PE-CE BGP session D. An IPv4 address family configuration is required for the PE-PE configuration. /Reference: QUESTION 96 Which of the following statements are FALSE regarding the VPN-IPv4 address family? (Choose 2) A. When a PE router receives an IPv4 prefix from its local CE it creates a VPN-IPv4 prefix. B. The route distinguisher (RD) is appended to the IPv4 prefix to form a 16 byte VPN-IPv4 prefix. C. VPN-IPv4 allows BGP to distinguish multiple routes with the same prefixes originated from distinct customers D. VPN-IPv4 addresses are only present within the service provider network. E. In VPRN, data traffic is carried in VPN-IPv4 packets. C /Reference: QUESTION 97 Which of the following statements is FALSE regarding 6VPE? A. 6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 information over an IPv4 MPLS infrastructure. B. Customers connected to 6VPE could run native IPv6 or IPv4. C. On the PE router, the next hop for a VPN IPv6 address is an IPv6 address, regardless of the nature of the network between the PEs. D. 6VPE requires an IPv6-aware MPLS core. E. Both C and D are false. F. All of the above statements are true. /Reference: QUESTION 98 Service tunnels and transport tunnels are bidirectional and only require the operator to configure the tunnel on one router. A. TRUE B. FALSE

32 /Reference: QUESTION 99 A transport tunnel can either use an MPLS or GRE encapsulation. A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 100 Which of the following must be configured when configuring an Epipe service? (Choose 4) A. Configuring an Epipe service with a customer ID B. Defining a SAP or SAPs. C. Binding to an SDP if it is a distributed service. D. Enabling the service using the no shutdown command. E. Creating and assigning an IP filter to the SAP. F. Configuring QoS parameters Correct Answer: ABCD /Reference: QUESTION 101 Which of the following best describes a local Epipe Service? A. An Epipe service that has 1 SAP and 1 SDP configured. B. An Epipe service that has 3 or more SAPs configured. C. An Epipe service that has 2 SAPs on the same router and has no SDPs configured. D. An Epipe service that is configured between two routers, each having 1 SAP and 1 SDP configured /Reference: QUESTION 102 Which command provides a summary status of the VPLS service 100? A. show service id 100 base B. show service vpls 100 C. show service vpls 100 summary D. show service vpls 100 all E. None of the above.

33 Correct Answer: A /Reference: QUESTION 103 A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 1514 bytes. The service provider is using MPLS encapsulation and RSVP-TE fast-reroute with facilities bypass on their redundant IP/MPLS network. What is the minimum MTU setting for the network ports? A B C D E /Reference: QUESTION 104 On a dot1q encapsulated port, frames with a VLAN tag of 0 and untagged frames are forwarded to the null SAP A. TRUE B. FALSE Correct Answer: A /Reference: QUESTION 105 By default, what happens when a packet with a VLAN tag is received on a SAP provisioned with null encapsulation? A. The original VLAN tag is removed. B. The original VLAN tag is kept. C. The VLAN tag is replaced by a provider tag. D. The VLAN tag is kept and a provider tag is added. /Reference: QUESTION 106 Why must the MTU be changed when configuring an IES spoke termination to a VPLS? A. The default service MTU on a VPLS service is 1514 bytes.

34 B. The default IP MTU of an IES is set based on the network port MTU. C. During VC label signaling, the VC MTU is verified and must match. D. All of the above. /Reference: QUESTION 107 What is the best approach of making MTUs match between a VPLS and a spoke IES in order to bring up the service? A. Change the service MTU of the VPLS to match the IES. B. Set the ip-mtu of the IES service to match the service MTU of the VPLS service. C. Change the MTU of the SDP attached to the VPLS to match the service MTU of the VPLS. D. Set the DNF flag on the IES service. /Reference: QUESTION 108 Which of the following commands can be used to compare the VC MTU signaled between two PE routers? A. show router route-table B. show router Idp bindings C. show service service-using D. show service egress-label E. show router rsvp session /Reference: QUESTION 109 What is the purpose of service mirroring on the Alcatel-Lucent Service Router? A. To mirror service requirements of a customer with a single branch office and multiple remote sites B. To utilize unused ports of a service router until they are required for a service. C. To replicate traffic from a service port to another port for debugging or monitoring functions D. To ease the configuration burden of services that support a large number of subscribers E. All of the above /Reference:

35 QUESTION 110 Which of the following statements is TRUE regarding service mirroring? A. Mirror slicing is used to logically separate a port that is being monitored. B. Mirror slicing configuration is earned out in the mirror destination. C. By default, mirror slicing is enabled so that only the protocol headers of data traffic are replicated to a mirror port. D. The maximum number of mirror slices that can be made on a network and access port are 256 and 8, respectively /Reference: QUESTION 111 Which of the following SAPs will toward tagged frames but NOT untagged frames? A. sap 1/1/1 B. sap 1/1/1:* C. sap 1/1/1:*.0 D. sap 1/1/1:0 E. None of the above. Correct Answer: E /Reference: QUESTION 112 Which of the following statements best describes the main difference between an Ipipe and an Epipe interworking? A. An Ipipe is a point-to-point Layer 2 VPN capable of only carrying Ethernet payloads. An Epipe interworking refers to the transportation of ATM/FR traffic over an Epipe. B. An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using bridged- PDUs. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using routed-pdus. C. An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using routed-pdus. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using bridged- PDUs. D. None of the above. /Reference: QUESTION 113 Which of the following statements best describes how an FDB is populated with MAC addresses in a VPLS service? A. A VPLS service does not use an FDB. B. The router reads the destination MAC address of packets passing through the service. C. The router reads the source MAC address of packets passing through the service.

36 D. The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations. E. The router is programmed with MAC addresses by the network administrator. /Reference: QUESTION 114 Which protocol is used to signal the inner label for a L2-VPN service? A. RSVP B. IPCP C. TLDP D. PPP E. Either RSVP or LDP F. M-BGP /Reference: QUESTION 115 An operator wishes to verify end-to-end connectivity for an individual service. What utility will he or she most likely use? A. sdp-ping B. Isp-ping C. svc-ping D. sdp-mtu /Reference: QUESTION 116 Which of the following statements best describes the flooding of traffic on a PE when traffic is received on a mesh SDP? A. Traffic is flooded to all SAPs in the service. B. Traffic is flooded to all SAPs and spoke SDPs in the service. C. Traffic is flooded to all SAPs and mesh SDPs in the service. D. Traffic is flooded to all SAPs, spoke SDPs. and mesh SDPs in the service. E. The traffic is not flooded. /Reference:

37 QUESTION 117 How many SAPs can be configured on a port configured with dot1q encapsulation? A. 1 B C. None. This encapsulation is not supported. D. The number is limited only by the capacity of the router /Reference: QUESTION 118 Choose the following components that are necessary for the configuration of a mirror service. (Choose 2) A. A mirror destination to indicate which ports to monitor. B. A mirror source to indicate which ports to monitor. C. A mirror destination to indicate on which sap or sdp traffic should be replicated. D. A mirror source to indicate on which sap or sdp traffic should be replicated C /Reference: QUESTION 119 What command syntax would be used to create a new routed interface on an existing IES service? A. config>service>ies# interface "to-ce" customer customer-id create B. config>service>ies# interface to CE create C. config>service>ies# interface to CE D. config>service>ies# interface "to-ce" create /Reference: QUESTION 120 Which of the following best describes an SDP? A. Acts as a logical way to direct traffic from one SAP to another on a single node. B. Acts as a logical way to direct traffic from one service to another on a single node. C. Acts as a logical way to direct traffic from one access port to another. D. Acts as a logical way to direct traffic from services on one router to services on another.

38 /Reference: QUESTION 121 Which of the following commands would be used to configure a new VPLS service that will use a default vcid of 5 and a customer id of 4? A. configure service vpls 4 customer 4 vc-id 5 create B. configure service vpls 5 customer 4 create C. configure service vpls 100 customer 4 vc-id 4 create D. configure service vpls vc-id 5 customer4 create /Reference: QUESTION 122 Which of the following MUST be identical for a service between two PEs? A. Customer ID B. SDP ID C. Service ID D. VC ID /Reference: answer is perfected. QUESTION 123 Which of the following about transport tunnels used by services is FALSE? A. A transport tunnel can carry many service tunnels. B. The transport label is unchanged throughout the transport network. C. A single network port can carry more than one transport tunnel. D. Both MPLS and GRE transport tunnels use a service label. /Reference: QUESTION 124 Which of the following about SDPs is FALSE? A. All services bound to the same SDP must be the same service type. B. All services bound to the same SDP will have the same transport encapsulation. C. Any operation on an SDP will affect all services bound to that SDP. D. An SDP is used to direct traffic for a service from one router to another. Correct Answer: A

39 /Reference: QUESTION 125 Which of the following about the components of a service on the Alcatel-Lucent 7750 SR is FALSE? A. An SDP can be used by more than one service and customer. B. A SAP can only be created on an access port. C. A customer can have multiple services associated to it. D. A customer is only created on one site of a distributed service. /Reference: QUESTION 126 Which of the following SAP encapsulations does NOT support multiple services on a port? A. Dot1q B. Null C. QinQ D. ATM /Reference: QUESTION 127 Click the exhibit.

40 Based on the output shown, what is the value of the service's VC ID? A. 2 B. 12 C. 30 D. 44 E. 100 F. The VC ID Cannot be determined from the output /Reference: QUESTION 128 Which protocol is used to signal the service label for a Layer 3 VPRN service? A. L-LDP B. T-LDP C. RSVP-TE D. MP-BGP /Reference:

41 QUESTION 129 Which of the following commands is used to enable an E-pipe service? A. config>service= epipe <service-id> enable B. config>service~ vpws <service-id> enable C. config>service= <service-id> no shutdown D. config>port= <port-id> no shutdown E. config>service= epipe <service-id> no shutdown Correct Answer: E /Reference: QUESTION 130 Which of the following can be used to detect the smallest path MTU in an RSVP signaled MPLS tunnel? A. ADSPEC B. CSPF C. Service ping D. LSP trace Correct Answer: A /Reference: QUESTION 131 Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE? A. The frame egresses from 1/1/1:6 with no VLAN tag. B. The frame egresses from 1/1/1:6 with VLAN tag 5. C. The frame egresses from 1/1/1:6 with VLAN tag 6. D. The frame egresses from 1/1/1:6 with an inner VLAN tag of 5 and an outer VLAN tag of 6. /Reference: QUESTION 132 The SAP 1/1/1:2.3 receives an untagged Ethernet frame. Which of the following is TRUE? A. The frame is dropped. B. VLAN tags 2 and 3 are added to the frame. C. Only outer VLAN tag 2 is added. D. Only inner VLAN tag 3 is added. Correct Answer: A

42 /Reference: QUESTION 133 A SAP configured in the form of 1/1/1:0/32 would be used for which type of VPWS? A. A-pipe B. C-pipe C. E-pipe D. F-pipe Correct Answer: A /Reference: QUESTION 134 A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 1500 bytes. The service provider is using MPLS encapsulation (without RSVP-TE fast-reroute) on their IP/MPLS network. What is the minimum MTU setting for the network ports? A B C D /Reference: QUESTION 135 Which service type is needed to bridge an ATM-attached user and an Ethernet-attached user? A. A-pipe B. F-pipe C. C-pipe D. E-pipe /Reference: QUESTION 136 An E-pipe is configured with a service MTU of What value will be derived for the VC- MTU? A B C D. 5022

43 /Reference: QUESTION 137 What must be configured before a SAP can be created on an E-pipe? A. The Ethernet port must be set to network mode, and the service must have a spoke SDP. B. The Ethernet port must be set to network mode. C. The Ethernet port must be set to access mode. D. The Ethernet port must be set to access mode, and the service must have a spoke SDP. /Reference: QUESTION 138 A service has a null encapsulated SAP and a vc-type vlan' SDP. What happens when the SAP receives an untagged Ethernet frame? A. The frame is dropped. B. The service ID is added as the provider VLAN tag. C. A VLAN tag of 0 is added as the provider VLAN tag. D. The frame is forwarded with no provider VLAN tag. /Reference: QUESTION 139 An E-pipe is configured with a service MTU of What MTU value should be set on the access port for a Q-in-Q encapsulated SAP? A B C D /Reference: QUESTION 140 A service needs to accept frames that have the following: an outer VLAN tag of 200 with an inner VLAN tag of 33; and frames that have an outer VLAN tag of 250 with an inner VLAN tag of 33. What SAP(s) need to be configured? A. 1/1/1:200.* B. 1/1/1:*.33

44 C. 1/1/1:*.* D. This requires two SAPs: 1/1/1: and 1/1/1: /Reference: QUESTION 141 Which of the following about SDPs is FALSE? A. Spoke SDPs prevent loops in a VPLS. B. Mesh SDPs and spoke SDPs can be used in the same VPLS. C. A spoke SDP does not require the routers at both ends to be directly connected. D. A mesh SDP is identical to a spoke SDP except for its flooding behavior. Correct Answer: A /Reference: QUESTION 142 By default, what does an Alcatel-Lucent 7750 SR do to support VPLS services for different customers? A. Dedicates a separate port for each customer. B. Performs ARP look-ups for each service. C. Maintains a different IP routing table for each service. D. Maintains a different MAC Forwarding Database for each service. /Reference: QUESTION 143 Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service? A. 3 B. 4 C. 6 D. 12 /Reference: QUESTION 144 Which of the following about an E-pipe terminating on a VPLS is FALSE? A. The VC-IDs used between the E-pipe and VPLS must match.

45 B. The E-pipe must maintain a MAC FDB in order to connect to the VPLS. C. The service ID of the E-pipe can be different from that of the VPLS. D. The service MTU of the VPLS and E-pipe must match. /Reference: QUESTION 145 Which of the following best describes how a MAC FDB is populated in a VPLS service? A. A VPLS service does not use a MAC FDB. B. The router reads the destination MAC address of frames passing through the service. C. The router reads the source MAC address of frames passing through the service. D. The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations. E. The router is programmed with MAC addresses by the network administrator. /Reference: QUESTION 146 Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a SAP of a VPLS? A. Traffic is flooded to all SAPs in the service. B. Traffic is flooded to all SAPs and spoke SDPs in the service. C. Traffic is flooded to all SAPs and mesh SDPs in the service. D. Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service. E. The traffic is not flooded. /Reference: QUESTION 147 Click the exhibit.

46 Both clips of output are from router R4. The show service command indicates that an SDP is down. What might be the cause? A. The mesh SDP on router R4 has been shutdown. B. The mesh SDP on has been shutdown. C. The service MTU on has been set to a different value. D. The IngLbl and EgrLbl that router R4 has for are identical. /Reference: QUESTION 148 How many service labels must be signaled to bring up a fully-meshed VPLS among five PE routers? A. 1 B. 5 C. 10 D. 20 /Reference: QUESTION 149

47 Click the exhibit. Which tool produced this output? A. ping B. Isp-ping C. traceroute D. Isp-trace /Reference: QUESTION 150 Click the exhibit. The operator at PE1 wants to analyze the traffic between PE2 and CE4. On an Alcatel-Lucent 7750 SR, which of the following is required as part of the configuration? A. PE2 needs a mirror source with the remote source specified. B. PE1 needs a mirror destination with the remote source specified. C. PE1 needs a mirror source with the remote source specified. D. PE1 and PE2 need a mirror source specified.

48 /Reference: QUESTION 151 Click the exhibit. Which OAM tool produced this output? A. vprn-ping B. sdp-ping C. traceroute D. Isp-trace /Reference: QUESTION 152 Click the exhibit. PE1 and PE2 are Alcatel-Lucent 7750 SRs. What needs to be added to PE1's configuration to mirror traffic

49 between PE2 and the customer site? A. A "remote-source" needs to be added to the mirror destination on PEL B. A mirror source needs to be added to PE1 with a "remote-source". C. This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site. D. A mirror source with SAP 1/1/2 needs to be added on PEL Correct Answer: A /Reference: QUESTION 153 Click the exhibit. E-pipe 100 is using an SDP with an LSP that uses the path shown (PE1-PE2-PE3-PE4). Based on the OAM command output, which of the following is FALSE? A. The E-pipe can support a maximum MTU size of B. The ports of the link PE2-PE3 have an MTU of C. An svc-ping of the E-pipe will succeed. D. If the step size was 2, the maximum response size would be the same. Correct Answer: A /Reference:

50 QUESTION 154 Which one of the following items CANNOT be used as a mirror source on an Alcatel-Lucent 7750 SR? A. IP filter B. MAC filter C. Egress label D. Ingress label /Reference: QUESTION 155 Which of the following about the Alcatel-Lucent 7750 SR's sdp-ping utility is FALSE? A. It tests uni-directional or round-trip in-band connectivity. B. It tests the reachability of hosts that are using an SDP. C. It tests the reachability of the far-end IP address of an SDP through its tunnel. D. It can be used by specifying only an SDP ID. /Reference: QUESTION 156 What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1500? A B C D /Reference: QUESTION 157 On an Alcatel-Lucent 7750 SR, the OAM command 'svc-ping' can be used with options bcal-sdp' and 'remote-sdp'. Which of the following is TRUE? A. iocal-sdp' and 'remote-sdp' indicate that all services using these SDPs are pinged. B. 'Iocal-sdp' and remote-sdp' indicate that pings are initiated from both local and remote routers. C. Both 'Iocal-sdp' and 'remote-sdp' take parameters to specify which SDPs are used for the test. D. 'Iocal-sdp' indicates that the ping is sent in-band, and remote-sdp' indicates the return ping is in-band.

51 /Reference: QUESTION 158 Which of the following about the VPRN data plane is TRUE? A. A packet receives a service label and a transport label at the ingress PE. B. A packet has its service label swapped at each P router. C. The egress PE pops the service label, and the transport label is forwarded. D. The service label is popped by the remote CE. Correct Answer: A /Reference: QUESTION 159 Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE? A. Route distinguishes are used to ensure that VPRN IP prefixes are globally unique. B. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes. C. Route distinguishes are used to determine which routes a VPRN should import. D. CE routes use a route distinguisher to indicate which VPRN they are associated to. Correct Answer: A /Reference: corrected and valid. QUESTION 160 Click the exhibit. Based on the output from PE router R1 about VPRN 100, by which protocol was /24 learned?

52 A. BGP B. MP-BGP C. LDP D. MPLS Correct Answer: A /Reference: Topic 4, Volume D QUESTION 161 Which of the following about VPRN route targets is FALSE? A. They are used to identify the VRF table for a prefix at the receiving PE. B. They are used by VPRNs to control the distribution of VPN routing information. C. They are distributed to all PEs and CEs that are part of the VPRN. D. They are distributed to PEs to identify the VRF table that a VPN-IPv4 prefix is associated with. /Reference: QUESTION 162 On an Alcatel-Lucent 7750 SR, which of the following about IES interfaces is FALSE? A. An IES can only have one interface. B. An IES interface can have an SDP or a SAP. C. An IES can perform fragmentation. D. An IES must have an IP address assigned to it. Correct Answer: A /Reference: QUESTION 163 Click the exhibit.

53 Part of a 6VPE deployment is shown in this exhibit. Which of the following is the correct configuration and context on PE1 for a BGP peering session with CE1? A. Option A B. Option B C. Option C D. Option D Correct Answer: A

54 /Reference: QUESTION 164 Click the exhibit. This output is from a router that is part of a 6VPE deployment using a VPRN. Which type of router would this configuration be found on? A. A CE router. B. A P router. C. A PE router. D. Both P and PE routers. Correct Answer: A /Reference: QUESTION 165 On an Alcatel-Lucent 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS? A. By default, a VPLS signals an MTU based on the network port. B. By default, an IES sets its ip-mtu to the VC MTU of the VPLS. C. By default, an IES uses an MTU value based on its SAP. D. By default, an IES uses an MTU based on the network port. /Reference: QUESTION 166 Click the exhibit.

55 Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2? A. Yes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing. B. Yes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol. C. No, a routing policy is not required. By default, the Alcatel-Lucent 7750 SR will advertise all VPRN routes between PE routers. D. No, a routing policy is not required on PE1, but an import policy is required on PE2. /Reference: QUESTION 167 Which of the following about IES is FALSE? A. An IES has a configurable VC MTU. B. An IES interface has an IP address assigned to it. C. IES supports QoS. D. An IES requires a spoke SDP. /Reference: QUESTION 168 When using MP-BGP for an IPv4 VPRN service, what address family needs to be used for a PE- CE BGP session? A. The VPN-IPv4 address family. B. The IPv4 address family. C. Either IPv4 or VPN-IPv4 address families can be configured. D. The same address family must be used for the provider network and the PE-CE.

56 /Reference: QUESTION 169 On the Alcatel-Lucent 7750 SR, which of the following statements about MP-BGP used for a VPRN is TRUE? A. Routes from different customers with the same IPv4 address prefix are treated as equivalent by MP- BGP. B. MP-BGP will advertise routes to other BGP sessions on the same PE without the need of policies. C. The multi-protocol nature of MP-BGP allows VPRN routes to be converted into IPv4 routes in the provider core network. D. MP-BGP is an enhanced version of BGP that can carry customer route prefixes for multiple VPRNs. /Reference: QUESTION 170 Click the exhibit. R1 and R4 are providing a VPRN for the CEs. Which of the following about the traceroute run on router R5 is TRUE? A. The traceroute will only show one hop: R5-R6. B. The traceroute will only show 2 hops; R5-R1 and R4-R6. C. The traceroute will only show 3 hops: R5-R1, R1-R4 and R4-R6. D. The traceroute will show one hop for each router in the provider core and one for each CE-PE hop. /Reference: QUESTION 171 Which of the following about VPRN labels is FALSE?

57 A. The outer label allows traffic to transit across the MPLS network. B. The inner label identifies the VPRN service. C. MP-BGP is used to signal VPRN labels. D. The VPRN service label contains the customer's IP address. /Reference: QUESTION 172 Which of the following about VPRNs is FALSE? A. A VPRN is a Layer 3 service. B. A PE maintains a separate forwarding table for each VPRN. C. The service provider manages the customers IP addressing. D. Multiple VPRNs can be deployed over the same IP/MPLS network infrastructure. /Reference: QUESTION 173 Click the exhibit. The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix /24? A. LDP B. BGP C. MP-BGP D. MPLS

58 /Reference: QUESTION 174 Which of the following about 6VPE is FALSE? A. To advertise VPN-IPv4 and VPN-IFV6 routes, two MP-BGP sessions are required. B. PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one. C. MP-BGP is used to advertise IPv6 prefixes and the associated VPRN labels. D. The provider core routers are IPv6-unaware. Correct Answer: A /Reference: QUESTION 175 Which of the following about VPRN VRF tables is FALSE? A. VRF information is advertised between PEs using MP-BGP. B. VRF tables are used to forward traffic to CEs. C. P routers use VRF tables to maintain customer-specific information. D. VRF tables provide isolation between customers. /Reference: QUESTION 176 Which protocol can be used to signal the outer label for a VPN service? A. IPCP B. LDP C. PPP D. TLDP /Reference: QUESTION 177 Which of the following about SDPs is TRUE? A. SDP IDs must be locally unique. B. SDPs are specific to one service type. C. SDPs must use MPLS for their encapsulation. D. An SDP is required for a local service.

59 Correct Answer: A /Reference: QUESTION 178 Which of the following is TRUE when a service uses a GRE transport tunnel? A. The service takes a route determined by the IGP. B. The tunnel does not use a service label. C. The service label is swapped at each hop in the transport network. D. The tunnel is bidirectional and only requires configuration at one end of the service. Correct Answer: A /Reference: QUESTION 179 Which of the following fields is NOT present in a GRE encapsulated VPN service packet? A. DLC Header B. Control Word C. Transport Label D. Service Label /Reference: QUESTION 180 Which of the following about dot1q SAPs is FALSE? A. The dot1q default SAP (port: *) can be used to pass VLAN tags transparently through a network. B. The dot1q null SAP (port: 0) accepts all tagged frames and untagged frames. C. The dot1q default SAP (port: *) accepts all untagged frames and any frames with tag values that are not used as a service-delimiting value on another SAP. D. A dot1q null SAP (port: 0) and a dot1q default SAP (port: *) cannot both be defined on the same port. /Reference: QUESTION 181 Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6.7. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE? A. The frame egresses 1/1/1:6.7 with an outer VLAN tag of 6 and inner tag of 7. B. The frame is dropped at the egress SAP 1/1/1:6.7.

60 C. The frame egresses 1/1/1:6.7 with VLAN tag 5. D. The frame egresses 1/1/1:6.7 with VLAN tag 6. Correct Answer: A /Reference: QUESTION 182 On which component is vc-type configured to create an E-pipe service that preserves the VLAN tag during transport? A. The SDP itself (outside of the epipe context). B. The SAP in the E-pipe. C. The mesh SDP in the E-pipe. D. The spoke SDP in the E-pipe. /Reference: QUESTION 183 On an Alcatel-Lucent 7750 SR, which vc-type will forward service delimiting tags at the ingress PE? A. vc-type ether B. vc-type vlan C. vc-type dot1q D. vc-type null /Reference: QUESTION 184 Which of the following about F-pipes is FALSE? A. F-pipes use SAPs in the form of port: DLCI (e.g. 1/2/3:65). B. To the customer, the PE appears as a native Frame Relay UNI (User Network Interface). C. Multiple Frame Relay circuits can be mapped to a single F-pipe service on the Alcatel-Lucent 7750 SR. D. The MPLS control word is required because the Frame Relay header is not encapsulated in the frame. /Reference: QUESTION 185 Which of the following SAPs will NOT forward untagged frames? A. sap 1/1/1

61 B. sap 1/1/1:* C. sap 1/1/1:0 D. sap 1/1/1:1 /Reference: QUESTION 186 The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 5 and inner VLAN tag 3. Which of the following is TRUE? A. The frame is dropped. B. The frame's outer tag is changed to match the SAP, and it is accepted. C. The frames outer tag is dropped, and the frame is accepted. D. The frame's tags are removed, and the frame is accepted. Correct Answer: A /Reference: QUESTION 187 Click the exhibit. This output is from router R4. Service 333 is a VPLS. Why might the peer have the same value for IngLbl and EgrLbl? A. The labels are of local significance only, so other routers can use the same value. B has yet to send its own unique label. C. Router R4 is using the same tunnel to send and receive to D. The service on is down, so it is rejecting packets. Correct Answer: A /Reference: QUESTION 188 A customer has sites on three different Alcatel-Lucent 7750 SRs. The customer requires a fully- meshed VPLS. Which of the following is TRUE? A. Each router requires 1 SDP. B. Each router requires 2 SDPs. C. Each router requires 3 SDPs. D. Each router requires 6 SDPs.

62 /Reference: QUESTION 189 Which of the following about Hierarchical VPLS is FALSE? A. They allow a VPLS to scale more easily. B. They use mesh SDPs to connect smaller VPLSes together. C. They allow a service to span multiple metro networks. D. They simplify the configuration required when adding new PEs. /Reference: QUESTION 190 By default, what does the Alcatel-Lucent 7750 SR do when a frame with an unknown destination address is received in a VPLS? A. It drops the frame. B. It floods the frame to all PEs participating in the service. C. It sends a destination unreachable message back to the originating host. D. It sends the frame to the closest neighbor. /Reference: QUESTION 191 On an Alcatel-Lucent 7750 SR, which of the following about a VPLS is FALSE? A. By default, the VC ID on the mesh SDPs of a VPLS are set to the service ID. B. A VPLS appears to the customer as a direct Ethernet connection. C. Mesh SDPs are used for VPLSes to avoid loops. D. By default, T-LDP is used for signaling service labels. /Reference: QUESTION 192 Click the exhibit.

63 E-pipe 100 is using an SDP (4) with an LSP that uses the path shown (PE1-PE2-PE3-PE4). Which of the following is the expected output from the OAM command?

64 A. Option A B. Option B C. Option C D. Option D

65 Correct Answer: A /Reference: QUESTION 193 Click the exhibit. PE1 and PE2 are Alcatel-Lucent 7750 SRs. Which of the following is the missing configuration required on PE2 to complete the mirror?

66 A. Option A B. Option B C. Option C D. Option D Correct Answer: A /Reference: QUESTION 194 Click the exhibit. Which tool produced this output? A. mac-trace B. svc-ping C. Isp-trace D. traceroute /Reference: QUESTION 195 Click the exhibit. An operator at PE1 wants to analyze the traffic between CE1 and PE1 on SAP 1/1/3, On an Alcatel-Lucent 7750 SR, which of the following is NOT required as part of the configuration?

67 A. A mirror source with a defined source type. B. A mirror source defined with an SDP destination. C. A mirror destination with a SAP defined. D. A mirror destination and a mirror source with the same service ID. /Reference: QUESTION 196 Which of the following about the label stack of a VPRN is FALSE? A. The service label is swapped for a transport label during transport. B. The transport label is used to forward packets between PEs. C. The service label is used to identify which VPRN a packet belongs to. D. Labels are initially added at the ingress PE. Correct Answer: A /Reference: QUESTION 197 Which of the following about IES is FALSE? A. An IES provides a Layer 3 interface to a customer. B. A virtual routing/forwarding table is created per IES service. C. An IES supports QoS. D. An IES interface's IP address, if bound to a port, will appear in the routing table. /Reference: QUESTION 198 Click the exhibit.

68 This output is from PE router R1. Based on the output about VPRN 100, how many prefixes has router R1 learned from CE router R5? A. 0 B. 2 C. 3 D. 6 /Reference: QUESTION 199 Which of the following is a benefit of VPRN as compared to VPLS? A. Service providers can apply QoS, ingress/egress traffic shaping and policing on a per service basis. B. Different customers with overlapping address space can be accommodated. C. There is a clear demarcation of customer and service provider networks. D. Customers can connect to the same service using different subnets. /Reference: QUESTION 200 Which of the following about VPRN route targets is FALSE? A. Route targets are carried in MP-BGP updates. B. Route targets identify the VRF that a VPN-IFV4 prefix is associated with. C. Route targets are communicated between PEs that are part of a specific VPRN. D. Route targets identify the egress SAP of a service towards a CE.

69 /Reference: QUESTION 201 A CE is connected to an IES interface. Which of the following is TRUE? A. The CE must be an IGP peer of the IES. B. The CE must be on the same subnet as the IES. C. The CE must use an E-pipe to connect to the IES. D. The CE must fragment any frames that are too large for the IES. /Reference: QUESTION 202 Which of the following about VPRN VRF tables is FALSE? A. Each VRF table contains routes for a single VPRN. B. Route targets are used to determine if a prefix belongs to a VRF. C. Routes in the VRF table are advertised to the core routers. D. VPN labels identify which VRF table should be used for a packet. /Reference: QUESTION 203 Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is FALSE? A. Route distinguishes are contained in VPN-IPv4 prefixes. B. Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN. C. Route distinguishes allow MP-BGP to manage multiple routes for the same IP prefix. D. Route distinguishes are only used by the PE routes. /Reference: QUESTION 204 Which of the following about the VPN-IFV4 address family is FALSE? A. VPN-IFV4 allows multiple customers to have overlapping IP addresses. B. CE routers use VPN-IPv4 prefixes to differentiate between services. C. PE routers are responsible for creating VPN-IPv4 prefixes. D. A VPN-IFV4 prefix is composed of a route distinguisher (RD) and an IPv4 address.

70 /Reference: QUESTION 205 An IPv4 MPLS provider network is being configured for 6VPE. BGP is being used for the PE- CE protocol to exchange IPv6 routes. Which of the following is FALSE? A. MP-BGP in the provider network needs to support the VPN-IPv6 address family. B. PE routers must be configured to run MP-BGP. C. PE-to-CE BGP sessions need to be configured to support IPv6. D. The provider network core must be configured to support IPv6. /Reference: QUESTION 206 On an Alcatel-Lucent 7750 SR, which of the following statements about the default advertisement of VRF routes is true? A. All routes in the VRF are advertised to the PEs and CEs. B. No routes in the VRF are advertised to the PEs or to the CEs. C. All routes in the VRF are advertised to the PEs, but not to the CEs. D. All routes in the VRF are advertised to the CEs, but not to the PEs. /Reference: QUESTION 207 The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 2 and inner VLAN tag 5. Which of the following is TRUE? A. The matching outer tag is removed, and the frame is forwarded. B. The inner tag is removed, and the frame is forwarded. C. The inner tag is changed to match the SAP, and the frame is forwarded. D. The frame is dropped. /Reference: QUESTION 208 Which of the following SAPs can be used so that only untagged frames and frames with a VLAN tag of 0 are accepted?

71 A. sap 1/1/1:0 B. requires both sap 1/1/1:0 and sap 1/1/1:* C. sap 1/1/1: D. sap 1/1/1:* Correct Answer: A /Reference: QUESTION 209 Which of the following SAPs will forward all tagged and untagged frames on the port? A. sap 1/1/1 B. sap 1/1/1:*.0 C. sap 1/1/1:0.* D. 1/1/1:0 Correct Answer: A /Reference: QUESTION 210 An SDP using MPLS encapsulation is configured for an E-pipe service. The network port on the Alcatel- Lucent 7750 SR used by the SDP has an MTU of What is the SDP path MTU? A B C D /Reference: QUESTION 211 Which of the following about configuring a distributed E-pipe service is TRUE? A. The VC ID on the mesh SDP must be explicitly configured. B. The VC ID on the spoke SDP must be explicitly configured. C. The VC ID on the mesh SDP does not have to be explicitly configured and it will use the service id. D. The VC ID on the spoke SDP does not have to be explicitly configured and it will use the service id. /Reference: QUESTION 212

72 Which of the following best describes a MAC FDB used by a VPLS service? A. A VPLS service does not use a MAC FDB. B. A single MAC FDB is shared by all VPLS services on a PE. C. A separate MAC FDB is used on the PE for each VPLS service. D. Each VPLS service uses a separate MAC FDBs for unicast and multicast traffic. /Reference: QUESTION 213 Which of the following about the Alcatel-Lucent 7750 SR svc-ping, when used in-band, is FALSE? A. It will show the hops taken between service endpoints. B. It will test the delay across the service. C. It will test the SDPs of a service in both directions. D. It will test the round-trip connectivity of the service. Correct Answer: A /Reference: QUESTION 214 What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1518? A B C D /Reference: QUESTION 215 Which one of the following commands on an Alcatel-Lucent 7750 SR can take a FEC as a parameter to verify if a packet for that FEC reaches the appropriate LER? A. ping B. sdp-ping C. svc-ping D. Isp-ping /Reference:

73 QUESTION 216 Which of the following regarding 6VPE is FALSE? A. 6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 prefixes over an IPv4 infrastructure. B. Customers connected to 6VPE can run IPv6 or IPv4. C. On a PE router, if the MP-BGP next hop is an IPv4 address, a mapped IPv6-compliant address will be used. D. 6VPE implements its own VPN-IPv6 address family and is a replacement for MP-BGP. /Reference: QUESTION 217 Click the exhibit. Routes are exchanged between CE1 and PE1 using BGP. CE2 and PE2 use static routes to forward traffic to and from the VPRN. Which of the following is FALSE? A. An export policy is required on PE1 to advertise routes to CE1. B. An export policy is required on CE1 to advertise local routes to PEL C. An export policy is required to advertise routes between the PE routers. D. No export policy is required on PE2 or CE2 due to the static routes. /Reference: QUESTION 218 Which of the following about IES is TRUE? A. An IES requires a spoke SDP. B. A virtual route table must be configured for an IES service. C. An IES service must use static routes to communicate with customer networks. D. An IES must have at least one SAP defined.

74 /Reference: QUESTION 219 Which of the following about the BGP VPN-IPv4 address family is FALSE? A. When a PE router receives an IPv4 prefix from its local CE, it creates a VPN-IFV4 prefix. B. VPN-IPv4 allows BGP to distinguish between duplicate prefixes originating from different customers. C. In a VPRN, data traffic is carried in packets that have VPN-IPv4 addresses. D. VPN-IFV4 addresses are only present within the service provider network. /Reference: QUESTION 220 On the Alcatel-Lucent 7750 SR, which one of the following steps is NOT required when enabling an MP- BGP session between PE routers in a VPRN? A. Configuring an autonomous system number in the global context. B. Configuring a BGP group and peer parameters. C. Configuring a VPN-IPv4 address family. D. Configuring an export policy to advertise routes between PEs. /Reference: QUESTION 221 A CE is connected to an IES interface. Which of the following is TRUE? A. The IES's interface must be an IGP peer with the CE. B. The IES must use an IP address that is different than the C. C. The IES can only include one SAP for the CE. D. The IES must include a network port. /Reference: QUESTION 222 Which of the following about VPRN route targets is FALSE? A. A route target is used to distinguish to which VRF table a prefix belongs. B. A route target appended to an IPv4 prefix produces a VPN-IPv4 prefix. C. Multiple route targets can be part of a single MP-BGP update. D. Route targets must be configured for VPRNs.

75 /Reference: QUESTION 223 Which of the following about the components of a distributed service on the Alcatel-Lucent 7750 SR is TRUE? A. A SAP can only be used by one service on a router. B. A dedicated SDP needs to be created for each service. C. A service is created on each site before the customer is created. D. SAPs must be created before a service is created. Correct Answer: A /Reference: QUESTION 224 Click the exhibit.

76 Which of the following statements about the E-pipe service is TRUE? A. The service is a local service. B. The service requires a second spoke SDP on this router. C. The service's VC ID is 44. D. The service will accept VLAN tag 100. /Reference: QUESTION 225 Which of the following about transport and service tunnels is FALSE? A. Service tunnels are unidirectional. B. Transport tunnels are unidirectional. C. A service will use the same service label for every hop. D. A local service requires a transport tunnel. /Reference: QUESTION 226 In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent? A. Tunnel Label B. VC Label C. Operational Control Word

77 D. VPI E. VCI /Reference: QUESTION 227 Which of the following statements about SAPs that are part of a VPVVS is FALSE? A. SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels. B. Only one SAP is required for a service that originates and terminates on the same Alcatel- Lucent 7750 SR. C. SAPs can have QoS policies assigned to them. D. Multiple SAPs can be defined on the same port. /Reference: QUESTION 228 Which of the following about SAPs is TRUE? A. More than one SAP can be configured on a physical port that is configured for null encapsulation. B. Dot1Q Ethernet encapsulated access ports can support multiple SAPs and services. C. SAPs can be created on ports designated as "Network". D. SAPs can only be created on Ethernet ports. /Reference: QUESTION 229 An E-pipe is configured with a service MTU of What is the minimum MTU value that should be set on an access port for a dot1q encapsulated SAP on this service? A B C D /Reference: QUESTION 230 Which of the following about VPLS MAC learning is FALSE?

78 A. The PE routers of the service are responsible for learning MAC addresses. B. Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic. C. MAC learning reduces flooding of frames with previously learned addresses. D. Multiple VPLSes on the same PE share the same MAC FDB. /Reference: QUESTION 231 By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel- Lucent 7750 SR? A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network. B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network. C. The FCS is verified and removed from the frame. The VLAN tag is kept and transported over the network. D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network. /Reference: QUESTION 232 Click the exhibit. This is output from router R4. Service 333 is a VPLS. Why does peer not have an EgrLbl? A. The SDP to on router R4 is shutdown. B. Router R4 has not sent a label to router R1 ( ) yet. C has a different service MTU set. D has not sent a label to router R4 yet.

79 /Reference: QUESTION 233 How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers? A. 1 B. 3 C. 6 D. 12 /Reference: QUESTION 234 Which of the following is NOT a benefit of "Hub and Spoke'' VPLS deployments? A. They reduce the number of SDPs that need to be configured. B. They can be used to work around physical topologies that prevent a fully meshed deployment. C. They prevent loops that can be introduced by mesh deployments. D. They can simplify the implementation of security policy enforcement and packet inspection. /Reference: QUESTION 235 Which utility on the Alcatel-Lucent 7750 SR can be used to investigate an MPLS path? A. Isp-trace B. Idp-trace C. Sdp-ping D. Svc-ping E. Ping Correct Answer: A /Reference: QUESTION 236 If the Alcatel-Lucent 7750 SR is rebooted after an "admin save'' has been performed, which of the following about mirror services is TRUE? A. Only the mirror source must be re-configured. B. Only the mirror destination must be re-configured. C. Both the mirror destination and mirror source must be re-configured. D. Neither the mirror destination nor the mirror source must be re-configured.

80 Correct Answer: A /Reference: QUESTION 237 Click the exhibit. This PE is connected to an IPv4 core and is being configured to support 6VPE for a VPRN. Which of the following completes this section of the configuration? A. Family ipv4 B. Family ipv6 C. Family ipv4 ipv6 D. Family vpn-ipv4 E. Family vpn-ipv4 vpn-ipv6 Correct Answer: E /Reference: QUESTION 238 Click the exhibit button.

81 Part of a 6VPE deployment is shown. Which of the following is the correct configuration and context on router CE1 for a BGP peering session with 6VPE1?

82 A. Option A B. Option B C. Option C D. Option D /Reference:

83 QUESTION 239 Click the exhibit. The output is from PE router R4 about VPRN service 100. How many prefixes have been learned from the MP-BGP protocol? A. 0 B. 2 C. 3 D. 6 /Reference: QUESTION 240 On an Alcatel-Lucent 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match? A. Set the service MTU of the VPLS to match the IES MTU. B. Set the ip-mtu of the IES to match the service MTU of the VPLS. C. Set the SDP MTU of the IES to match the SDP MTU of the VPLS. D. Set the MTU of the IES's network port to match the service MTU of the VPLS. /Reference: QUESTION 241 Which of the following about SAPs is FALSE?

84 A. A SAP can be associated with more than one service. B. A SAP is the subscriber's point of entry to the service network. C. A SAP is created by specifying a physical port and an encapsulation type. D. A SAP can only be created on a port configured as "access". Correct Answer: A /Reference: QUESTION 242 In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent? A. Tunnel Label B. VC Label C. Operational Control Word D. UNI E. NNI Correct Answer: A /Reference: QUESTION 243 When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant? A. Customer ID and SAP ID. B. Customer ID and Service ID. C. SAP ID and Service ID. D. SDP ID and Service ID. E. SDP ID and SAP ID. F. SDP ID and VC ID. /Reference: QUESTION 244 On an Alcatel-Lucent 7750 SR, which vc-type will strip service delimiting tags at the ingress PE? A. vc-type ether B. vc-type vlan C. vc-type dotlq D. vc-type null Correct Answer: A /Reference:

85 QUESTION 245 What happens by default on an Alcatel-Lucent 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag? A. The original VLAN tag is removed. B. The original VLAN tag is kept. C. The VLAN tag is replaced by a provider tag. D. The VLAN tag is kept and a provider tag is added. /Reference: QUESTION 246 Which of the following about ADSPEC is FALSE? A. ADSPEC sets an SDP's MTU to the smallest MTU value found along the LSP path. B. RSVP must be enabled on all MPLS routers of a path to use ADSPEC. C. ADSPEC can automatically adjust the service MTU. D. ADSPEC can be enabled on individual LSPs. /Reference: QUESTION 247 Which of the following is a characteristic of a VPLS? A. All SAPs of a VPLS belong to the same broadcast domain. B. When a new site is added, all the existing sites need to be shutdown and re-provisioned. C. An additional T-LDP session is required between PEs for each additional VPLS that is provisioned. D. Multiple VPLSes on the same router share a single MAC FDB. Correct Answer: A /Reference: QUESTION 248 Click the exhibit.

86 The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1? A. "ping " B. "oam vprn-ping 100 source destination " C. "oam vprn-ping 100 source destination " D. "ping " (router R6's system IP) /Reference: QUESTION 249 Which of the following about VPN labels is FALSE? A. They are signaled between PE devices using MP-BGP. B. They are swapped at each P router as a packet crosses the service provider network. C. They are also known as the inner label or service label. D. They indicate to the egress PE the VPRN to which a packet belongs. /Reference: QUESTION 250 Click the exhibit.

87 Based on this output from PE router R1, how many other PEs are participating in the VPRN? A. 0 B. 1 C. 2 D. 3 /Reference: QUESTION 251 Click the exhibit.