Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 471:

  Which two OSPF LSA types can be used to advertise routes between areas? (Choose two.)

  A. router

  B. network

  C. external

  D. summary

  Correct Answer: CD

• Question 472:

  Which three statements correctly describe the default BGP advertisement behavior in the Junos OS? (Choose three.)

  A. Routes learned through EBGP are advertised to IBGP peers.

  B. Routes learned through EBGP are advertised to other EBGP peers.

  C. Routes learned through IBGP are advertised to other IBGP peers.

  D. Routes learned through IBGP will be advertised to EBGP peers.

  E. Routes learned through an IGP are automatically advertised to EBGP peers.

  Correct Answer: ABD

• Question 473:

  Which configuration is used for IP6-over-IP4 tunnels?

  A. set interfaces gr-0/0/0 encapsulation inetv6 set interfaces gr-0/0/0 unit 0 tunnel source 10.0.1.1 set interfaces gr-0/0/0 unit 0 tunnel destination 10.0.0.1 set interfaces gr-0/0/0 unit 0 family inet address fec0:0:1006::1/126

  B. set interfaces gr-0/0/0 unit 0 tunnel source 10.0.1.1 set interfaces gr-0/0/0 unit 0 tunnel destination 10.0.0.1 set interfaces gr-0/0/0 unit 0 family inetv6 address fec0:0:1006::1/126

  C. set interfaces gr-0/0/0 unit 0 tunnel source fec0:0:1006::1/126 set interfaces gr-0/0/0 unit 0 tunnel destination fec0:0:2006::1/126 set interfaces gr-0/0/0 unit 0 family inet address 10.0.0.1

  D. set interfaces gr-0/0/0 unit 0 tunnel source 10.0.1.1 set interfaces gr-0/0/0 unit 0 tunnel destination 10.0.0.1 set interfaces gr-0/0/0 unit 0 family inet6 address fec0:0:1006::1/126

  Correct Answer: D

• Question 474:

  Which two statements are true regarding a designated intermediate system (DIS) in an IS- IS network? (Choose two.)

  A. It performs a similar role to the designated router (DR) in OSPF.

  B. It is not allowed to send any PDUs on a designated intermediate system (DIS).

  C. A backup DIS is not elected.

  D. DIS selection uses the router's IP address as a tiebreaker.

  Correct Answer: AC

• Question 475:

  Which configuration correctly sets interface ge-0/0/4 in trunk mode, carrying VLANs v10 and v20?

  A. ge-0/0/4 { unit 0 { family ethernet-switching { vlan { members [ v10 v20 ]; } } } }

  B. ge-0/0/4 { unit 0 { family ethernet-switching { port-mode trunk; vlan { members [ v10 v20 ]; } } } }

  C. ge-0/0/4 { vlan-tagging; unit 0 { family ethernet-switching { port-mode trunk; vlan { members [ v10 v20 ]; } } } }

  D. ge-0/0/4 { unit 10 { family ethernet-switching; } unit 20 { family ethernet-switching; } }

  Correct Answer: B

• Question 476:

  Configuring bpdu-timeout-action enables which protection mechanism?

  A. root protection

  B. BPDU protection

  C. loop protection

  D. RSTP protection

  Correct Answer: C

• Question 477:

  Which of the following is enabled by default on an EX Series switch?

  A. MAC move limiting

  B. storm control

  C. IP source guard

  D. dynamic ARP inspection

  Correct Answer: B

• Question 478:

  During OSPF neighbor adjacency formation, in which state is the initial database descriptor sequence number chosen?

  A. 2Way

  B. ExStart

  C. Exchange

  D. Loading

  Correct Answer: B

• Question 479:

  Given that ge-0/1/1 is set up as a trunk port, which command set will NOT successfully set the trunk to carry VLANs 10 and 11?

  A. set interfaces ge-0/1/1.0 family ethernet-switching vlan members [Vlan10 Vlan11]

  B. set interfaces ge-0/1/1.0 family ethernet-switching vlan members Vlan10 members Vlan11

  C. set interfaces ge-0/1/1.0 family ethernet-switching vlan members Vlan10,Vlan11

  D. set interfaces ge-0/1/1.0 family ethernet-switching vlan members Vlan10set interfaces ge-0/1/1.0 family ethernet-switching vlan members Vlan11

  Correct Answer: C

• Question 480:

  Which BGP attribute can modify only an adjacent AS's optimal entry point into the local AS?

  A. MED

  B. local preference

  C. AS path

  D. community

  Correct Answer: A