Exam Questions Demo Cisco. Exam Questions CCIE SP CCIE Service Provider Written Exam

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1 Cisco Exam Questions CCIE SP CCIE Service Provider Written Exam Version:Demo

2 1. Which is one difference between H-VPLS and VPLS? A. VPLS is a point-to-point Layer-2 services and H-VPLS is a multipoint Layer-2 services. B. H-VPLS reduces signaling overhead and packet replication requirementsfor the provider edge. C. VPLS improve scalability concerns identified on H-VPLS implementation. D. H-VPLS connects using also other Layer-2 encapsulation such as PPP and VPLS connects using Ethernet encapsulation only Answer: B 2. Due to recent acquisitions, a company's MPLS infrastructure is growing very quickly. Concerns arise about labeling each and every IP address on the P router. Which command would significantly reduce the label allocations without compromising LDP functionalities? A. ip prefix-list List1 deny prefix/prefix_length! mpls ldp label allocate global prefix-list List1 B. mpls ldp label allocate global host-routes C. access-list 1 permit subnet wildcard mpls ldp neighbor neighbor_ip labels accept 3 D. mpls ldp password required for 10 access-list 10 permit host_ip_1 access-list 10 permit host_ip_2 access-list 10 permit host_ip_n Answer: A 3. A service provider is managing a CE router that is used to segment multiple customers into dedicated VRFs. OSPF is used as the F protocol. The managed CE does not have the customers' routes in its RIB. To allow the CE to install these routes, which command i implemented? A. local-rib-criteria B. no prefix-suppression

3 C. capability vrf-lite D. domain-id Answer: C 4. Refer to the exhibit. An SP core is running MPLS with OSPF as the IGP used for Loopback propagation. LDP Synchronization is enabled per the given configuration. What will the traffic flow behavior be after a temporary outage event on PE1 Eth0/0? A. Permanently through PE1 -> P2 -> PE4 due to lowest path metric. B. Initially through PE1 -> P1 -> PE4, then a few seconds later, it will be over PE1 -> P2 -> PE4. C. Permanently through PE1 -> P1 -> PE4 due to lowest path metric. D. Initially through PE1 -> P2 -> PE4, then a few seconds later, it will be over PE1 -> P1 -> PE4 Answer: B 5. Network Operations team has configured the routers with the logging buffered warnings command. Which three severity levels appear in the router syslog? (Choose three.)

4 A. errors B. notifications C. informational D. alerts E. debugging F. emergencies Answer: A,D,F Explanation: Warning is Level 4, when level 4 is enabled, it will cover all up to level 4 which is 0-3 (Emergencies, Alert, Critical, Errors & warning) 6. Refer to the exhibit. Which statement is true? A. This is an inter autonomous unicast route. B. The BGP MED value is 26. C. This is an mvpn route. D. The route target value is :3. E. There is a route reflector in this network. F. The route did not import this route into the VRF one. Answer: E

5 7. What is NETCONF? A. It is a standard for installing, manipulating and deleting configuration of network devices. B. it is a Cisco proprietary solution to help remove the time, cost and manual steps involved in network element configuration. C. It is data modeling language, to help remove the time, cost and manual steps involved in network element configuration. D. It is a new recommendation which writes device specific CLI scripts while keeping flexibility in a vendor dependence environment. Answer: A Explanation: 8. Refer to the exhibit. ISP-X customers must be able to reach both ISP-Y and ISP-Z, but ISP-X must not allow transit traffic between ISP-Y and ISP-Z at any time Which two options satisfy this requirement? (Choose two.) A. Use the MED to prefer the proper routes B. Use communities to identify and filter routes. C. Use local preference to prefer the routes

D. Use a route map to filter routes on the AS number. E. Use the atomic aggregate attribute Answer: B,D 9. Refer to the exhibit. The prefix 10

6 D. Use a route map to filter routes on the AS number. E. Use the atomic aggregate attribute Answer: B,D 9. Refer to the exhibit. The prefix /28 should be advertised to the PE router, yet the prefix is not being received by the PE. Which configuration should be applied on CE in order to fix this issue? A. ip prefix-list ROUTES_TO_SP seq 1 permit /28 B. router bgp 65000no network mask network mask C. ip prefix-list ROUTES_TO_SP permit /28 D. router bgp 65000no network mask network mask Answer: A 10. DRAG DROP Drag and drop the IPFIX terminology on the left to the correct description on the right. Not all options will be used.

An IS-IS enabled router with multiple IS-IS neighbors is required to have BFD sessions

7 Answer: Explanation: Generates Flow Records Metering process Sends flow records Exporting process Receives Flow Records Collecting Process 11. An IS-IS enabled router with multiple IS-IS neighbors is required to have BFD sessions with all neighbors. Which BFD mode should you use when you want to save the overhead of periodic protocol control packets?

8 A. echo B. asynchronous C. demand D. active Answer: C Explanation: RFC Which OSPF configuration suppresses the periodic OSPF hello packets? A. router ospf 1 area0 interface GigabitEthernet 0/1 passive B. router ospf 1 area0 interface GigabitEthernet 0/1 hello-interval 0 C. router ospf 1 stub-router router-lsa r-bit D. router ospf 1area 0 interface GigabitEthernet 0/1 demand-circuit point-to-point Answer: D 13. Refer to the exhibit.

A network engineer is troubleshooting PTP on Cisco ASR 9000 router. What can be concluded about the interface based on output provided? A. The interface receives timestamps from a master clock, but therouter's clock is not yet synchronized to the master.

9 A network engineer is troubleshooting PTP on Cisco ASR 9000 router. What can be concluded about the interface based on output provided? A. The interface receives timestamps from a master clock, but therouter's clock is not yet synchronized to the master. B. The interface is aware of a better clock than the one it would advertise if it was in Master state. C. The interface is not yet ready to participate on PTP. D. The interface is about to go into Master state. Answer: A 14. Refer to the exhibit. R3 cannot install a route to R1-R2 subnet 2001:1:155:12::/64. Which action resolves this issue?

A. Add the redistribute ospf 1 include-connected command under the ipv6 router eigrp 10 process. B. For the OSPF process, add the no shutdown command. C.

10 A. Add the redistribute ospf 1 include-connected command under the ipv6 router eigrp 10 process. B. For the OSPF process, add the no shutdown command. C. For prefix-list OSPF_INTO_EIGRP seq 20, replace the prefix with 2001:155:1:12::/64. D. For route-map OSPF_INTO_EIGRP, add the set metric command. Answer: A Explanation: How many bits are expressed by";:" in the address 2D01:DB::C:B7BA:130B? A. 16 bits B. 32 bits C. 40 bits D. 44 bits E. 48 bits F. 52 bits F. 56 bits G. 64 bits

11 Answer: E 16. A Service Provider is designing control policies at the customer edge of the network, in order to prevent usage that exceeds the contracted terms. A new client that is contracted for only 2 Gbps is connecting to the Service Provider edge with a 10 Gbps interface. Which two QoS strategies meet the design goal? (Choose two.) A. On the service Provider edge, enable traffic shaping on the customer port. B. On the customer edge device, enable traffic shaping on the interface that is connected to the Service Provider. C. On the customer edge device, enable policing on the interface that is connected to the Service Provider. D. On the service Provider edge, enable policing on the customer port. E. On the service Provider edge, enable WRED on the customer port. F. On the customer edge, enable WRED on the interface that is connected to the Service Provider. Answer: B,D Explanation: An engineer is connecting a new 10-Gbps Ethernet link. Which type of transceiver must the engineer purchase that is the current industry standard? A. GBIC B. XFP C. X2 D. SFP Answer: A 18. Refer to the exhibit. The referenced TE tunnels compete for bandwidth requirements over the limited available bandwidth that is provisioned. Which core MPLS component erases a conflict and provides admission control for any new added TE tunnel?

A. link management B. link attributes C. MPLS TE priorities D. RSVP Answer: D Explanation: http://www.cisco.

12 A. link management B. link attributes C. MPLS TE priorities D. RSVP Answer: D Explanation: Refer to the exhibit.

The NOC engineer noticed that the R2 router system clock is not updated and synchronized to the NTP server that is configured on the R10 router. What is the issue? A.

13 The NOC engineer noticed that the R2 router system clock is not updated and synchronized to the NTP server that is configured on the R10 router. What is the issue? A. The access list NTP_Clients is missing. B. The access group is misconfigured. C. The maximum number of peers and client associations is exceeded. D. The authentication key is mismatched.

14 E. The PE2 router should be configured as an NTP peer instead of as a client. Answer: D 20. The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real-time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.) A. Apply MLP link fragmentation and interleaving to the interface. B. Apply LLQ with both voice traffic and video traffic in the same priority queue. C. Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF. D. Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41. E. Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved. F. Apply LLQ with video traffic that is dedicated in the priority queue. Answer: A,C,D Explanation:

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BGP-MVPN SAFI 129 IPv6

BGP-MVPN SAFI 129 IPv6 Subsequent Address Family Identifier (SAFI) 129, known as VPN Multicast SAFI, provides the capability to support multicast routing in the service provider's core IPv6 network. Border Gateway Protocol (BGP)