Juniper Juniper Certifications JN0-351 Questions & Answers

• Question 71:

  What is a characteristic of OSPF ASBRs?

  A. ASBRs transmit routing information between the backbone and other areas.

  B. ASBRs cannot be part of the backbone and another area at the same time.

  C. ASBRs inject routing information from outside the OSPF domain.

  D. ASBRs link two OSPF areas.

  Correct Answer: C

• Question 72:

  Given the exhibit, which two statements are correct regarding the graceful-restart state for the BGP groups? (Choose two.)

  

  A. The graceful-restart capability will be enabled for group IBGP.

  B. The graceful-restart capability will be disabled for group IBGP.

  C. The graceful-restart capability will be disabled for group EBGP.

  D. The graceful-restart capability will be enabled for group EBGP.

  Correct Answer: AC

• Question 73:

  Which statement is true about IP-IP tunnels?

  A. The time-to-live value of the original packet Is decremented.

  B. IP-IP tunnels are protocol agnostic.

  C. The packet is encapsulated unchanged before entering the tunnel

  D. The packet header is replaced before entering the tunnel

  Correct Answer: C

• Question 74:

  You are concerned that someone from outside the company could use an open conference room port to access the network.

  Which feature should you use to address this concern?

  A. persistent MAC learning

  B. 802.1X

  C. DHCP snooping

  D. MAC limiting

  Correct Answer: B

• Question 75:

  Your BGP router receives routes from two upstream ISPs: ISP A and ISP B. In this scenario, which change would you make to prefer routes from ISP A?

  A. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.

  B. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.

  C. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.

  D. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.

  Correct Answer: A

• Question 76:

  Click the Exhibit button.

  

  Referring to the exhibit, what does the asterisk(*) following the ge-0/0/5.0 interface indicate?

  A. It indicates the interface is not active.

  B. It indicates the interface is a trunk port.

  C. It indicates the interface is an access port.

  D. It indicates the interface is active.

  Correct Answer: D

• Question 77:

  What are three requirements to ensure proper GRE or IP-IP tunnel routing? (Choose three.)

  A. Keepalives must be used on stateless tunneling protocols.

  B. Tunnel endpoints must have a route that directs traffic into the tunnel.

  C. BGP must be used on intermediate devices.

  D. Tunnel endpoints must have a valid route to the remote endpoint.

  E. All intermediary devices must have a route to the tunnel endpoints.

  Correct Answer: BCD

• Question 78:

  Which two statements about a unified ISSU are correct? (Choose two.)

  A. It requires that Bidirectional Forwarding Detection be disabled.

  B. It requires that graceful Routing Engine switchover be enabled.

  C. It is only supported on platforms with redundant control planes.

  D. It is only supported on platforms with redundant power supplies.

  Correct Answer: BC

• Question 79:

  Which mechanism is used to share routes between routing tables?

  A. RIB groups

  B. routing instances

  C. forwarding instances

  D. filter-based forwarding

  Correct Answer: A

• Question 80:

  Click the Exhibit button.

  

  You are building a network and make some configuration changes. While trying to validate these changes, you receive the error shown in the exhibit.

  How would you solve this problem?

  A. You must create a new VLAN called all using the VLAN ID of 30.

  B. You must configure the ge-0/0/5.0 interface with family inet instead of family ethernet- switching.

  C. You must configure the port mode as trunk on the ge-0/0/5.0 interface.

  D. You must create two sub-interfaces on ge-0/0/5 with the appropriate VLAN member assigned to each.

  Correct Answer: C