Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 11:

  You are asked to identify a high availability solution for your core routers and are debating between using GRES as a standalone solution or NSR. What are two primary differences between the two solutions? (Choose two.)

  A. GRES allows an RE mastership change to occur without alerting peers of the change.

  B. NSR allows an RE mastership change to occur without alerting peers of the change.

  C. GRES works with graceful restart.

  D. NSR works with graceful restart.

  Correct Answer: BC

• Question 12:

  -- Exhibit ?

  

  -- Exhibit -In the exhibit, R2 has a failure and R6 is promoted from the BDR to the DR.

  Which router is elected as the new BDR?

  A. R1

  B. R3

  C. R4

  D. R5

  Correct Answer: D

• Question 13:

  You are asked to deploy graceful restart in your OSPF network. What are two requirements to accomplish this task? (Choose two.)

  A. All routers must have restarting and helper modes enabled.

  B. All routers must have redundant Routing Engines with graceful Routing Engine switchover (GRES) enabled.

  C. All routers must be configured for nonstop routing.

  D. All routers must support nonstop forwarding.

  Correct Answer: AD

• Question 14:

  Referring to the exhibit, which statement is true?

  

  A. R4 is elected as the DR

  B. R3 and R4 have and adjacency state of Full

  C. R1 and R2 are elected as DROthers

  D. R3 has the complete OSPF database

  Correct Answer: D

• Question 15:

  -- Exhibit -[edit protocols ospf]

  user@R1# show

  traceoptions {

  file trace-ospf;

  flag error;

  }

  area 0 {

  interface all;

  }

  -- Exhibit -You are using traceoptions, configured as shown in the exhibit, to monitor regular OSPF communications between R1 and R2 in real time. However, you are not seeing the desired information.

  How would you resolve this problem?

  A. Examine the syslog file.

  B. Issue the show log trace-ospf command.

  C. Add an additional traceoptions configuration at the [edit system] hierarchy level.

  D. Add more flags to the existing traceoptions configuration.

  Correct Answer: D

• Question 16:

  What are two benefits of 802.3ad link aggregation? (Choose two.)

  A. It ensures symmetrical paths.

  B. It simplifies interface configuration.

  C. It creates physical layer redundancy

  D. In increases bandwidth

  Correct Answer: CD

• Question 17:

  You want to establish an EBGP peering session with the loopback IP address of your peer router. Which BGP parameter must be used to accomplish this task?

  A. multihop

  B. multipath

  C. local-interface

  D. local-as

  Correct Answer: A

• Question 18:

  Which two statements are true about firewall filters on an EX Series switch? (Choose two.)

  A. The switch processes each packet through the firewall filters independently of all other packets.

  B. You must explicitly allow traffic in both directions for each connection that you want to permit.

  C. A router-based filter applied to an RVI applies to switched packets in the same VLAN.

  D. Port-based and VLAN-based filters are applied under different family statements in the CLI.

  Correct Answer: AB

• Question 19:

  Which states indicates that the BGP session is fully converged?

  A. Connect

  B. Active

  C. Established

  D. Up

  Correct Answer: C

• Question 20:

  Referring to the exhibit, what does the asterisk (*)following the ge-0/0/12.0 interface indicate?

  

  A. It indicates the interface is active.

  B. It indicates the interface is not active.

  C. It indicates the interface is a trunk port.

  D. It indicates the interface is an access port.

  Correct Answer: A