Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 521:

  Which statement regarding redundant trunk groups (RTGs) is true?

  A. STP and RTG can be configured on the same interface.

  B. An aggregated interface can be a member of an RTG.

  C. Members of an RTG can carry different VLANs.

  D. An RTG can contain up to 16 member links.

  Correct Answer: B

• Question 522:

  By default, what is the IP time-to-live (TTL) value for an EBGP session?

  A. 1

  B. 63

  C. 128

  D. 255

  Correct Answer: A

• Question 523:

  Which statement is true about IS-IS PDUs?

  A. CSNPs are exchanged only during initial adjacency establishment when a complete LSDB is being built.

  B. PSNPs contain header information for all link-state PDUs in the IS-IS database.

  C. Both the DIS and the backup DIS broadcast CSNPs over a broadcast link.

  D. Separate CSNP and PSNP types exist for Level 1 and Level 2 systems.

  Correct Answer: D

• Question 524:

  Which port is selected as the designated port if a designated bridge has multiple ports connected to a LAN segment?

  A. The port with the highest port ID

  B. The port with the highest MAC address

  C. The port with the lowest port ID

  D. The port with the lowest MAC address

  Correct Answer: C

• Question 525:

  Which statement about LACP is true?

  A. LACP is enabled by default on aggregated Ethernet interfaces.

  B. LACP is enabled by default on redundant trunk groups.

  C. The default mode of operation of an LACP interface is passive.

  D. At least one side of an LACP session must be configured as passive.

  Correct Answer: C

• Question 526:

  A generated route is used to create a route of last resort when BGP routes from the 10.0.0.0/23 block are present. Given the following output, which next hop will be used as the forwarding next hop for the generated route?

  

  A. 172.16.0.2

  B. 172.16.0.6

  C. 172.16.0.10

  D. 172.16.0.14

  Correct Answer: A

• Question 527:

  You have connected a spanning-tree-enabled device to your spanning-tree-enabled switch, but the switch port does not forward traffic, even after you remove the device. Which command do you use to re-enable forwarding?

  A. clear interface status

  B. clear spanning-tree blocking

  C. clear ethernet-switching bpdu-error

  D. clear ethernet-switching port-error

  Correct Answer: C

• Question 528:

  When processing inbound Ethernet frames, which firewall filter is evaluated first by an EX Series switch?

  A. port filter

  B. VLAN filter

  C. trunk filter

  D. route filter

  Correct Answer: A

• Question 529:

  On a broadcast, multi access network, which two criteria are used for electing a designated intermediate system? (Choose two.)

  A. router priority

  B. sub network point of attachment

  C. pseudo node ID

  D. interface IP address

  E. IS-IS TLV 3

  Correct Answer: AB

• Question 530:

  Given the following output, what has been configured for the 192.168.3.0/24 prefix?

  

  A. per-flow load balancing

  B. a floating static route

  C. per-packet load balancing

  D. a qualified next hop

  Correct Answer: A