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2 Exam : JN0-343 Title : Juniper Networks Certified Internet Specialist (JNCIS-ENT) Vendor : Juniper Version : DEMO Get Latest & Valid JN0-343 Exam's Question and Answers 1 from Guidetorrent.com. 1

NO.1 Referring to the exhibit, which statement is true? A.R4 is elected as the DR B.R3 and R4 have and adjacency state of Full C.R1 and R2 are elected as DROthers D.

3 NO.1 Referring to the exhibit, which statement is true? A.R4 is elected as the DR B.R3 and R4 have and adjacency state of Full C.R1 and R2 are elected as DROthers D.R3 has the complete OSPF database NO.2 How much overhead does the GRE header add to an IPv4 packet? A. 24 bytes B. 32 bytes C. 48 bytes D. 64 bytes Answer: A NO.3 A switch port is sending both tagged and untagged traffic. What is its possible configuration? A. {master:0[edit interfaces ge-0/0/0] user@switch# show unit 0 { family ethernet-switching { port-mode access; vlan { members data; B. {master:0[edit interfaces ge-0/0/0] user@switch# show unit 0 { family ethernet-switching { Get Latest & Valid JN0-343 Exam's Question and Answers 2 from Guidetorrent.com. 2

4 port-mode trunk; vlan { members data; C. {master:0[edit interfaces ge-0/0/0] user@switch# show unit 0 { family ethernet-switching { port-mode access; vlan { members data; native-vlan-id data; D. [edit ethernet-switching-options] user@switch# show voip { interface all; vlan voicevlan; forwarding-class expedited-forwarding; [edit vlans] user@switch# show voicevlan { vlan-id 3; [edit interfaces] user@switch# show ge-0/1/1 { unit 0 { family ethernet-switching { port-mode access; NO.4 Router R2 is having adjacency problems with Router R1. Router R2 is stuck in ExStart state. What is causing the problem? A. There is a physical and data link layer problem between R1 and R2. B. There is a misconfigured IP address on the R2 interface. Get Latest & Valid JN0-343 Exam's Question and Answers 3 from Guidetorrent.com. 3

C. The hello and dead intervals on R2 do not match R1. D. The interface MTU setting on R2 does not match R1. NO.5 You are deploying a Virtual Chassis consisting of four EX4200s.

5 C. The hello and dead intervals on R2 do not match R1. D. The interface MTU setting on R2 does not match R1. NO.5 You are deploying a Virtual Chassis consisting of four EX4200s. You have powered on all four switches at the same time with the settings shown in the exhibit. Which Virtual Chassis member will become the master? A. Switch-1 B. Switch-2 C. Switch-3 D. Switch-4 NO.6 You want to change the BGP next hop to ensure that internal routers have reachability to networks learned from external peers. Which configuration excerpt applied on the perimeter router achieves this objective? A. protocols { bgp { group internal { type internal; local-address ; Get Latest & Valid JN0-343 Exam's Question and Answers 4 from Guidetorrent.com. 4

6 neighbor next-hop-self; neighbor next-hop-self; neighbor next-hop-self; B. protocols { bgp { group internal { type internal; local-address ; export change-next-hop; neighbor ; neighbor ; neighbor ; policy-options { policy-statement change-next-hop { term 1 { from { protocol bgp; external; then { next-hop self; C. protocols { bgp { group internal { type internal; local-address ; export change-next-hop; neighbor ; neighbor ; neighbor ; policy-options { policy-statement change-next-hop { term 1 { Get Latest & Valid JN0-343 Exam's Question and Answers 5 from Guidetorrent.com. 5

7 from { protocol bgp; route-type external; then { next-hop self; D. protocols { bgp { group ext { type external; export change-next-hop; peer-as 111; neighbor ; policy-options { policy-statement change-next-hop { term 1 { from { protocol bgp; then { next-hop self; Answer: C NO.7 Which two statements describe benefits of the Virtual Chassis? (Choose two.) A. Virtual Chassis offers control plane redundancy, which allows the use of NSR. B. Virtual Chassis is an open standard to allow cross-vendor compatibility. C. Virtual Chassis can be implemented on all Junos-based devices. D. Virtual Chassis allows you to manage multiple switches as a single entity and potentially eliminate using STP. Answer: A,D NO.8 Which set of BGP attributes is preferred by the Junos OS? A. MED. 100 AS path: Local preference. 100 Origin: I B. MED. 50 AS path: Local preference. 50 Origin: E C. MED. 100 AS path: Local preference. 100 Origin: I D. MED. 50 AS path: Local preference. 100 Origin: E Get Latest & Valid JN0-343 Exam's Question and Answers 6 from Guidetorrent.com. 6

8 Answer: A NO.9 Which two statements are true of GRE? (Choose two.) A. GRE can encapsulate and transport protocols other than IP across an IP network. B. GRE can create a point-to-point link between two devices separated by multiple hops C. GRE encrypts the data it transports to ensure data integrity. D. GRE maintains state at Layer 5 of the OSI reference model. Answer: A,B NO.10 You have two ABRs in the same NSSA area. What translates Type 7 LSAs to Type 5 LSAs? A. The ABR with the highest RID. B. The ABR with the lowest RID. C. Both ABRs will translate. D. The ABR configured with the area-range statement. Answer: A NO.11 Your network consists of four EX Series switches, configured with the following STP parameters: S1: Bridge address - F F:33:44:77 ; Bridge priority - 16k S2: Bridge address - F F:33:44:66 ; Bridge priori ty - 12k S3: Bridge address - F F:33:44:99 ; Bridge priority - 8k S4: Bridge address - F F:33:44:88 ; Bri dge priority - 4k Given this information, which device will become the root bridge? A. S1 B. S2 C. S3 D. S4 NO.12 What are two benefits of 802.3ad link aggregation? (Choose two.) A.It ensures symmetrical paths. B.It simplifies interface configuration. C.It creates physical layer redundancy D.In increases bandwidth Answer: C,D NO.13 You are implementing a Layer 3 VPN on a Junos device. Which routing instance type would you use? A. virtual router B. VRF C. VPLS D. forwarding Answer: B NO.14 Get Latest & Valid JN0-343 Exam's Question and Answers 7 from Guidetorrent.com. 7

9 Refer to the command-line output shown in the exhibit. How many routes has this router received from the BGP peer at ? A. 0 routes B. 2 routes C. 3 routes D. 57 routes Answer: C NO.15 Which two link-state advertisement (LSA) types are allowed in a stub area? (Choose two.) A. LSA Type 1 B. LSA Type 2 C. LSA Type 4 D. LSA Type 5 Answer: A,B NO.16 The exhibit shows the Ethernet bridge table on an EX Series switch. What does the asterisk (*) in the output indicate? A. The asterisk (*) indicates a multicast MAC address. B. The asterisk (*) indicates an invalid MAC address. C. The asterisk (*) indicates the flood entry for all VLANs. D. The asterisk (*) indicates all valid destination MAC addresses. NO.17 Which static route next-hop value indicates that the packet will be silently dropped? A.resolve B.discard C.reject D.next-table Answer: B NO.18 An OSPF broadcast segment has four OSPF-speaking routers. One router is in the DR state, one Get Latest & Valid JN0-343 Exam's Question and Answers 8 from Guidetorrent.com. 8

10 is in the BDR state, and two are in DR other states. How many 2Way OSPF sessions does a router in the DR other state have? A. 1 session B. 2 sessions C. 3 sessions D. 4 sessions Answer: B Reference: JNCIS-ENT Routing Study Guide, Chapter Open Shortest Path First NO.19 Router-A has an OSPF route to destination /24 with four equal-cost paths.how will Router-A forward traffic destined to based on Junos OS's default behavior? A. Traffic will be load-balanced on all four available paths. B. Traffic will be forwarded over the one path installed in the forwarding table. C. Traffic forwarding will be rotated across each of the four paths for 1 minute on each path. D. Traffic forwarding behavior depends on the hardware platform. Answer: B NO Exhibit -{master:0 user@switch> show virtual-chassis status Virtual Chassis ID. dd7e Virtual Chassis ModE. Enabled Mastership Neighbor List Member ID Status Serial No Model priority Role ID Interface 0 (FPC 0) Prsnt BM ex t 255 Master* 1 (FPC 1) NotPrsnt BM ex t Member ID for next new member: 2 (FPC 2) -- Exhibit - Referring to the output shown in the exhibit, which two statements are true? (Choose two.) A. The GbE interfaces associated with the device would use the ge-0/0/x naming format. B. The GbE interfaces associated with the device would use the ge-1/0/x naming format. C. If a new member is added to this Virtual Chassis, it would assume the Routing Engine role. D. If a new member is added to this Virtual Chassis, it would assume the line card role. Answer: A,C NO.21 Which two new port roles does RSTP introduce? (Choose two.) A. backup B. forwarding C. alternate D. designated Answer: A,C NO.22 You are configuring filter-based forwarding on your Junos device. Which three components must be configured to accomplish this task? (Choose three.) A. firewall filter B. logical system C. routing instance D. routing policy E. RIB group Answer: A,C,E NO.23 A network administrator has just received a new EX Series switch to replace a router and Layer 2 switch. The network administrator has configured all of the Layer 2 parameters, however users are Get Latest & Valid JN0-343 Exam's Question and Answers 9 from Guidetorrent.com. 9

11 reporting that they can only reach devices within their own VLAN. What would solve the problem? A. The network administrator must configure inter-vlan routing. B. The network administrator must administratively enable the VLAN. C. The network administrator needs to clear the ARP table. D. The network administrator needs to clear the bridge table. Answer: A NO.24 You are analyzing packet captures on your network. You observe an OSPF Type 7 LSA. In which area type did this packet originate? A. backbone B. stub C. totally stubby D. not-so-stubby area NO.25 What is a benefit of the 802.3ad standard? A. loop detection B. security C. higher bandwidth D. strict queuing Answer: C NO.26 NO: 223 With which type of IS-IS router can an IS-IS Level 1-only router form an adjacency? A. any IS-IS Level 1 router of any area B. any IS-IS Level 2 router of any area C. any properly configured IS-IS router D. any IS-IS Level 1 router of the same area NO.27 Which BGP attribute can modify only an adjacent AS's optimal entry point into the local AS? A. MED B. local preference C. AS path D. community Answer: A NO.28 Host-1 was recently added in the network and is attached to ge-0/0/10 on Switch A. Host-1 is powered on and has its interface configured with default Layer 2 settings and an IP address on the /24 IP subnet. Host-1's MAC address is not shown in Switch-A's bridging table. What are three explanations for this state? (Choose three.) A.The ge-0/0/10 interface is not operationally or administratively up. B.The ge-0/0/10 interface has not received any traffic from Host-1. C.The ge-0/0/10 interface is configured as an access port. D.The ge-0/0/10 interface is configured as a trunk port. Get Latest & Valid JN0-343 Exam's Question and Answers 10 from Guidetorrent.com. 10

12 E.The ge-0/0/10 interface does not have an associated RVI. Answer: A,B,D NO.29 A network with five switches has been configured to run Rapid Spanning Tree Protocol (RSTP) with default settings. How many seconds does it take to detect a failure between two neighboring switches? A. 2 seconds B. 3 seconds C. 6 seconds D. 15 seconds Answer: C Reference: Page 3-14 of the JNCIS-ENT Routing Study Guide - "As previously mentioned, STP uses BPDUs to elect a root bridge, identify root ports for each switch, identify designated ports foreach physical LAN segment, prune specific redundant links to create a loop-free tree topology, and report and acknowledge topology changes. RSTP configuration BPDUs also function as keepalives. All RSTP bridges send configuration BPDUs every 2 seconds by default. You can alter this value, if necessary." NO.30 Which instance type is used when configuring filter-based forwarding? A. vrf B. forwarding C. virtual-router D. fbf Answer: B Get Latest & Valid JN0-343 Exam's Question and Answers 11 from Guidetorrent.com. 11

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IT Certification Exams Provider! Weofferfreeupdateserviceforoneyear! h ps://www.certqueen.com Exam : JN0-343 Title : Juniper Networks Certified Internet Specialist (JNCIS-ENT) Version : DEMO 1 / 6 1.How