[Free] 2018(Jan) EnsurePass Pass4sure Juniper JN0-661 Dumps with VCE and PDF 21-30

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Service Provider Routing and Switching

Question No: 21 – (Topic 1)

An L2VPN (draft-kompella-mpls-l2vpn) is established between two PE routers to provide connectivity between two customer sites. Which two statements related to this deployment are true? (Choose two.)

  1. BGP must be used for the control plane communications.

  2. Kompella encapsulation is used in the data plane communications.

  3. LDP must be used for the control plane communications.

  4. Martini encapsulation is used in the data plane communications.

Answer: A,B

Question No: 22 – (Topic 1)

You have configured an OSPF stub area. The routes in the stub area require external reachability. Which statement explains how OSPF meets this requirement?

  1. The ABR will generate a 0.0.0.0/0 martian route in the area.

  2. The ABR will flood Type 5 LSAs into the area.

  3. The ABR will flood Type 7 LSAs into the area.

  4. The ABR will generate a 0.0.0.0/0 default route in the area.

Answer: D

Question No: 23 – (Topic 1)

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Referring to the exhibit, which type of NG MVPN route will be advertised by PE2 to PE1 ?

  1. Shared Tree Join C-Multicast route

  2. Source Tree Join C-Multicast route

  3. Source Active Auto-discovery route

  4. Leaf Auto-discovery route

Answer: A

Question No: 24 – (Topic 1)

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Which two statements are true about the OSPF adjacency displayed in the exhibit? (Choose two.)

  1. There is a mismatch in the dead interval parameter between routers R1 and R2

  2. There is a mismatch in the hold timer parameter between routers R1 and R2.

  3. There is a mismatch in the hello interval parameter between routers R1 and R2.

  4. There is a mismatch in the poll interval parameter between routers R1 and R2

Answer: A,C

Question No: 25 – (Topic 1)

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You must ensure that r1#39;s IPv4 loopback address exists in r3#39;s inet 0 routing table Referring to the exhibit, which statement is true?

  1. An IPv4 unicast realm can be enabled on each router.

  2. A policy can be configured on M to redistribute 172.16.100.1/32 into OSPFv2, which would cause r3 to eventually learn the route and place it into inet0.

  3. A RIB group can be configured on r3 to copy that route into inet 0 because 172.16.100.1/32 exists in r3#39;s inet6.0 table

  4. A policy can be configured on r1 to redistribute 172 16 100 1/32 into OSPFv3, which would cause r3 to eventually learn the route and place it into inet 0.

Answer: C

Question No: 26 – (Topic 1)

Which two statements are true regarding the CSPF algorithm? (Choose two.)

  1. The selected path for a given LSP is passed to the TED in the form of an ERO.

  2. LSPs with lower numerical setup priorities are computed before LSPs with higher setup

    priority values.

  3. The selected pathfora given LSP is passed to RSVP in the form of an ERO.

  4. LSPs with higher numerical setup priorities are computed before LSPs with lower setup priority values.

Answer: B,C

Question No: 27 – (Topic 1)

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ISP 1 wants to configure an IPv6 L3VPN over its IPv4-only MPLS network for Customer-A PE1 has been configured as shown in the exhibit; however, IPv6routers.In this scenario, which two commands are necessary on PE1 to enable IPv6 connectivity between CE1 and CE2? (Choose two.)

  1. set protocols bgp group PE2 family inet6 unicast

  2. set interfaces ge-1/1/1.0 family mpls

  3. set protocols bgp group PE2 family inet6-vpn

  4. set protocols mpls ipv6-tunneling

Answer: A,D

Question No: 28 – (Topic 1)

You are asked to deploy VPLS in your network as a new service for several customers, and you must identify the configuration and provisioning requirementsfor your customer.In this scenario, which two statements are correct? (Choose two.)

  1. CE interfaces facing the service provider must be Ethernet interfaces.

  2. VLAN IDs defined on CE interfaces must be the same on both ends unless otherwise negotiated

  3. PE interfaces facing the core must have VPLS encapsulation enabled.

  4. CE interfaces facing the service provider must be Layer 3 interfaces.

Answer: A,B

Question No: 29 – (Topic 1)

You have a strict-high queue configured. You notice that under bursty traffic conditions, there are tail drops on the strict-high queue. Which action would solve this problem?

  1. Assign a policer on ingress to assign a low packet loss priority to the strict-high queue.

  2. Decrease the buffer size of the strict-high queue

  3. Assign a policer on egress to assign a low packet loss priority to the strict-high queue.

  4. Increase the buffer size of the strict-high queue.

Answer: D

Question No: 30 – (Topic 1)

A service provider wants to start using all of their LSPs for internal traffic and not just their MPLS VPNs. Any solution must ensure that existing VPNs and routing policies will continue to function properly.

Which MPLS traffic engineering parameter would accomplish this task?

  1. bgp

  2. bgp-igp-both-ribs

  3. bgp-igp

  4. mpls-forwarding

Answer: B

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