Juniper JNCIA JN0-692 Questions & Answers

• Question 41:

  Which two configuration parameters are required to configure an LDP-signaled VPLS service? (Choose two.)

  A. vpls-id

  B. site-identifier

  C. route-distinguisher

  D. instance-type vpls

  Correct Answer: AD

• Question 42:

  Click the Exhibit button.

  

  As shown in the exhibit, you have an LSP established from R1 to R4. Your network experiences a link failure between R2 and R3.Which statement is correct?

  A. A ResvTear message is sent toward the egress router.

  B. A ResvConf message is sent toward the ingress router.

  C. A PathErr message is sent toward the egress router.

  D. A ResvTear message is sent toward the ingress router.

  Correct Answer: D

• Question 43:

  Click the Exhibit button.

  What is the significance of RIB groups, as shown in the exhibit?

  A. RIB groups alter the multicast RPF check table to inet.0.

  B. RIB groups alter the multicast RPF check table to inet.2.

  C. RIB groups alter the multicast RPF check table to inet.4.

  D. RIB groups alter the multicast RPF check table to inet.3.

  Correct Answer: B

• Question 44:

  Click the Exhibit button.

  

  After adding Customer C to your Layer 3 VPN, you must validate that PE2 is receiving VPN routes for all customers attached to PE1, as shown in the exhibit. Which operational command displays this information?

  A. show route instance

  B. show route summary

  C. show route table bgp.l3vpn.0

  D. show route table customer-c.inet.0

  Correct Answer: C

• Question 45:

  You are adding nonforwarding route reflectors to your network. Which three actions ensure that VPN routes are advertised properly? (Choose three.)

  A. Use rib-groups to add IGP routes to inet.3 and/or inet6.3 on the route reflectors.

  B. Add MPLS LSPs between the route reflectors and their client routers.

  C. Add the route reflectors to the same IGP domain as their clients.

  D. Use rib-groups to add VPN routes to inet.0 and/or inet6.0 on the route reflectors.

  E. Add a static default route to inet.3 and/or inet6.3 on the route reflectors.

  Correct Answer: ABE

• Question 46:

  Click the Exhibit button.

  

  Customer A is complaining that routes advertised from the CE2 router are not being received on the CE1 router. The physical topology of the network is CE1-PE1-PE2-CE2. The CE1-PE1 subnet is 172.16.1.0/24. The CE2-PE2 subnet is 172.16.2.0/24. PE1's loopback is 192.168.3.1 and PE2's loopback is 192.168.4.1.Referring to the output in the exhibit, what is the problem?

  A. No LSP exists between PE1 and PE2.

  B. Route targets are not properly configured.

  C. as-override is not configured in the VRFs.

  D. family inet-vpn is not configured on the PEs.

  Correct Answer: C

• Question 47:

  Click the Exhibit button.

  

  In the exhibit, all routers within each AS are configured for Anycast RP. All intra-AS routers are configured within the same MSDP mesh group. Inter-AS multicast has been enabled using MSDP without MSDP mesh groups. Which statement is true?

  A. R6 and R7 should have an MSDP peering, because multiple MSDP AS hops are not allowed.

  B. SA messages received from R2 are not forwarded to R5, R7, and R8.

  C. SA messages from R5 are not forwarded to AS1.

  D. Duplicate SA messages may be received in AS2.

  Correct Answer: D

• Question 48:

  Click the Exhibit button.

  

  On your MX Series router, traffic using the less-critical scheduler is out of profile. All other data is currently in profile. Referring to the exhibit, which statement is correct?

  A. The less-critical queue can use the remaining bandwidth.

  B. The less-critical queue cannot buffer traffic, so traffic is dropped.

  C. The less-critical queue is serviced before the critical queue.

  D. The less-critical queue cannot use the remaining bandwidth.

  Correct Answer: A

• Question 49:

  Click the Exhibit button.

  

  Traffic is flowing through the policer as shown in the exhibit. The traffic has a throughput rate of 3 Mbps, and the burst size counter is at 1.5 MB. How is traffic affected?

  A. Traffic has its PLP set to low.

  B. Traffic has its PLP set to medium-low.

  C. Traffic has its PLP set to medium-high.

  D. Traffic has its PLP set to high.

  Correct Answer: C

• Question 50:

  You are monitoring the control plane traffic using a network analyzer on an Ethernet network segment with all routers configured with IS-IS routing. Which two statements are true? (Choose two.)

  A. DIS will send hellos more frequently than other IS-IS devices.

  B. L1 and L2 hellos are combined in a single hello packet.

  C. PSNPs are sent periodically.

  D. Only the DIS will send CSNPs periodically.

  Correct Answer: AD