Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 391:

  Which BGP attribute is used to influence inbound traffic when two peering sessions to the same AS exist?

  A. weight

  B. local preference

  C. router ID

  D. MED

  Correct Answer: D

• Question 392:

  You are viewing the Ethernet switching table and notice that a previous entry is no longer listed. What is a valid reason for an entry to be removed from the table?

  A. The learning limit is exceeded.

  B. The filtering threshold is exceeded.

  C. The MAC aging timer expired.

  D. The ARP aging timer expired.

  Correct Answer: C

• Question 393:

  

  Based on the topology and configurations shown in the exhibit, which two statements are true? (Choose two.)

  A. Switch-2's ge-0/0/12.0 interface will assume the designated port role.

  B. Switch-1's ge-0/0/8.0 interface will assume the designated port role.

  C. Switch-1's ge-0/0/12.0 interface will assume the designated port role.

  D. Switch-3's ge-0/0/8.0 interface will assume the designated port role.

  Correct Answer: AD

• Question 394:

  An OSPF broadcast segment has four OSPF-speaking routers. One router is in the DR state, one 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

  Correct Answer: B

  Reference: JNCIS-ENT Routing Study Guide, Chapter 3?0 - Open Shortest Path First

• Question 395:

  Which Junos OS operational mode command provides a high-level view of all configured BGP peers?

  A. show bgp group

  B. show bgp neighbor

  C. show bgp summary

  D. show bgp adjacency

  Correct Answer: C

• Question 396:

  You configured an aggregate route of 192.168.8.0/21 and committed the updated configuration. Using an operational show command, you notice that the newly configured route is not present in the output. What would explain this behavior?

  A. The next hop is not resolvable.

  B. The next hop is not reachable.

  C. There are no active contributing routes.

  D. An aggregate route will not show up in the local table; it will be shared only with BGP neighbors.

  Correct Answer: C

• Question 397:

  BGP uses which underlying protocol to establish connection to peers?

  A. IP protocol 89

  B. IP protocol 6

  C. IP protocol 17

  D. IP protocol 47

  Correct Answer: B

• Question 398:

  VLANs provide separation for which type of domains?

  A. collision domains

  B. multicast domains

  C. broadcast domains

  D. virtual domains

  Correct Answer: C

• Question 399:

  You want to ensure that interface routes appear in multiple routing instances. Which configuration accomplishes this scenario?

  A. Configure each interface under multiple routing instances.

  B. Add an import policy for each routing instance.

  C. Configure the routing instance to be a forwarding type instead of a virtual-router type.

  D. Configure a RIB group and configure the router to install interface routes in the RIB group.

  Correct Answer: D

• Question 400:

  Which feature will cause the port to transition into a blocking state when BPDUs are no longer being received?

  A. RSTP

  B. BPDU protection

  C. loop protection

  D. root protection

  Correct Answer: C