Juniper Juniper Certifications JN0-351 Questions & Answers

• Question 1:

  What types of authentication are supported in Junos for OSPF?

  A. Simple password

  B. MD5 checksum

  C. Hitless key chain of MD5 keys/checksums

  D. All of the above

  Correct Answer: D

• Question 2:

  Click the Exhibit button.

  

  Referring to the exhibit, which port on Switch-2 will be selected as the RSTP root port?

  A. ge-0/0/8.0

  B. ge-0/0/9.0

  C. ge-0/0/10.0

  D. ge-0/0/1.0

  Correct Answer: C

• Question 3:

  You notice that currently two MAC addresses are associated with a single access port in the bridge table of one of your EX Series switches.

  What are two explanations for this behavior? (Choose two.)

  A. The native VLAN feature has been associated with the access port.

  B. The mac-move-limit feature has been disabled on the access port,

  C. The access port connects to an IP phone which connects ta a host device

  D. The access port connects to multiple hosts through a rogue device

  Correct Answer: AD

• Question 4:

  Which statement about persistent MAC learning is correct?

  A. Trunk ports require MAC addresses to be configured on each VLAN.

  B. Port moves require manual operator intervention.

  C. Access ports must be configured with the no-mac-learning command.

  D. 802.1X must be configured on the port for persistent MAC learning to work.

  Correct Answer: B

• Question 5:

  Exhibit.

  

  Referring to the exhibit, why is the route for 10.5.5.5 hidden?

  A. It is an L3VPN route.

  B. The next hop cannot be resolved.

  C. It has an invalid community.

  D. It is a Martian route.

  Correct Answer: B

• Question 6:

  You have configured storm control on your network devices. Your network has grown and you no longer have time to investigate each occurrence of a storm control violation. You want to enable a port to automatically be re-enabled after a storm violation. In this scenario, which Junos OS configuration timeout would accomplish this task?

  A. Configure the secure access port timeout.

  B. Configure the port error disable timeout.

  C. Configure the BPDU blocking timeout.

  D. Configure the MAG aging table timeout.

  Correct Answer: B

• Question 7:

  Which two statements about a Virtual Chassis are correct? (Choose two.)

  A. A Virtual Chassis is managed using a single virtual console port.

  B. You must use the same EX Series switch for all members in a Virtual Chassis.

  C. All members in a Virtual Chassis must be running the same Junos version.

  D. Each device must be managed separately.

  Correct Answer: AC

• Question 8:

  You are configuring OSPF and want to ensure that interface ge-0/0/3 is preferred over interface ge-0/0/4.

  Which statement is correct in this scenario?

  A. Configure ge-0/0/3 with a higher metric.

  B. Configure reference bandwidth.

  C. Configure a redistribution policy.

  D. Configure ge-0/0/4 with a higher metric.

  Correct Answer: D

• Question 9:

  What are three reasons a router would send out an IS-IS link-state PDU? (Choose three.)

  A. A new external route is imported from BGP.

  B. The router's link to a neighbor goes down.

  C. A new neighbor exists on the link.

  D. The cost of a link to an existing neighbor has changed.

  E. IS-IS sends link-state PDUs at random intervals.

  Correct Answer: BCD

• Question 10:

  Click the Exhibit button.

  

  Which type of route is shown in the exhibit?

  A. generated

  B. direct

  C. aggregate

  D. static

  Correct Answer: A