Juniper JNCIA JN0-692 Questions & Answers

• Question 61:

  You are provisioning a new customer for an LDP Layer 2 circuit. You have assigned them VLAN 600 on interface ge-1/0/0.Which configuration correctly provisions the interface?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 62:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is true assuming BGP Layer 2 VPN signaling?

  A. PE1 receives two BGP NLRI updates, each containing a remote site ID, a label base, and Layer 2 encapsulation.

  B. PE2 receives one BGP NLRI update containing a remote site ID, a label base, and Layer 2 encapsulation.

  C. PE2 receives two BGP NLRI updates, each containing a remote site ID, label vc, and Layer 2 encapsulation.

  D. PE1 receives one BGP NLRI for VPN A containing only a remote site ID and a label offset value.

  Correct Answer: A

• Question 63:

  You are asked to design a Layer 2 VPN service for a service provider network that supports Ethernet and ATM transport. Which two Layer 2 VPN technologies will meet this requirement? (Choose two.)

  A. LDP-signaled VPLS, using draft martini encapsulation

  B. BGP-signaled VPLS, using the RFC 4448 Layer 2 frame format

  C. LDP Layer 2 circuit, using the RFC 4448 Layer 2 frame format

  D. BGP Layer 2 VPN, using draft-Martini encapsulation

  Correct Answer: CD

• Question 64:

  An LDP Layer 2 circuit is configured for VPN A and VPN B. Which three statements are true regarding LDP Layer 2 circuit signaling? (Choose three.)

  A. PE-P LDP sessions use Martini encapsulation.

  B. PE-PE LDP sessions can be extended or adjacent.

  C. VRF tables are needed on the PEs.

  D. TCC encapsulation is needed to interconnect different interface types.

  E. The VC type field in the LDP header specifies the encapsulation type.

  Correct Answer: BDE

• Question 65:

  Click the Exhibit button.

  

  You are building an interprovider VPN with ISP2 to support end-to-end connectivity for Customer A, as shown in the exhibit. For scalability reasons, the ASBR routers cannot exchange VPN routes for Customer

  A. Which two configurations are needed to support this requirement? (Choose two.)

  A. family inet-vpn on the ASBRs

  B. labeled-unicast on the ASBRs

  C. multihop EBGP between the PEs

  D. one VRF on the ASBRs for Customer A

  Correct Answer: BC

• Question 66:

  An OSPF database contains two router LSAs with identical link information indicating that one LSA is not valid. Which action will immediately clear the invalid LSA from the network without waiting for the LSA to time out or resetting the OSPF sessions on the router?

  A. user@router# deactivate protocols ospf user@router# commit user@router# activate protocols ospf user@router# commit

  B. user@router> clear ospf database purge

  C. user@router> clear ospf database

  D. user@router> restart routing

  Correct Answer: B

• Question 67:

  Click the Exhibit button.

  

  All ISP networks shown in the exhibit contain many BGP speaking routers. You are in charge of ISP A. You must ensure that customer Y sends their traffic to you over the directly connected link but customer Y is not used for transit into your network. What do you do to accomplish this?

  A. Advertise routes to customer Y with a higher MED than routes advertised to customer X.

  B. Advertise routes to customer Y with the well-known no-advertise community.

  C. Advertise routes to customer Y with your AS number prepended four times.

  D. Advertise routes to customer Y with the well-known no-export community.

  Correct Answer: D

• Question 68:

  An administrator wants to block the re-advertisement of the 10.10.255.6 FEC to all LDP neighbors while still advertising the local router's loopback address. What will accomplish this?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: B

• Question 69:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements are true? (Choose two.)

  A. The VPN uses LDP signaling for VPLS services.

  B. The VPN uses BGP signaling for VPLS services.

  C. The PE and directly attached CE are multihomed.

  D. There are only 2 PEs with VPN membership in the network.

  Correct Answer: AD

• Question 70:

  Click the Exhibit button.

  

  Given the output in the exhibit, which three statements are correct? (Choose three.)

  A. PIM spare-dense mode is used.

  B. PIM sparse mode is used.

  C. The receiver and source 10.255.70.15 are on the shortest path tree.

  D. The receiver and source 10.255.70.15 are on the shared tree.

  E. The receiver and RP are on the shortest path tree.

  Correct Answer: BCE