Juniper Juniper Certifications JN0-351 Questions & Answers

• Question 91:

  Which statement is correct about the OSPF router ID (RID)?

  A. The OSPF RID must match for all routers in the same area.

  B. The OSPF RID for IPv6 is a 128-bit address.

  C. The OSPF RID for IPv4 is a 32-bit address.

  D. The OSPF RID is not necessary when BFD is implemented.

  Correct Answer: C

• Question 92:

  If an EX Series switch receives a frame with a known destination MAC address, what is the expected behavior?

  A. The frame is sent out all ports assigned to the associated VLAN except the ingress port on which the frame was received.

  B. The frame is sent out all ports assigned to all configured VLANs except the ingress port on which the frame was received.

  C. The frame is sent out all trunk ports associated with the ingress VLAN regardless of whether a matching MAC address was found in the bridge table.

  D. The frame is sent out the egress port with a matching destination MAC address within the bridge table associated with the ingress VLAN.

  Correct Answer: D

• Question 93:

  Referring to the exhibit, which interface is assigned the active VIP?

  

  A. Router A ge-0/0/2

  B. Router B ge-0/0/1

  C. Router A ge-0/0/1

  D. Router B ge-0/0/2

  Correct Answer: B

• Question 94:

  Click the Exhibit button.

  

  Referring to the exhibit, Router 1 learns about Route X.

  Which statement is correct about Route X when using the default BGP advertisement rules?

  A. R1 will not advertise this route to any peers.

  B. R3 will not advertise this route to R4 or R5 without an explicit policy.

  C. R4 and R5 will not advertise this route to each other.

  D. R2 will not advertise this route to R3 without an explicit policy.

  Correct Answer: C

• Question 95:

  Click the Exhibit button.

  

  You are responsible for managing a Layer 2 network using RSTP for loop prevention. You recently committed the configurations shown in the exhibit. Unfortunately, Switch-2 became the root bridge and you must ensure that Switch-1 becomes the root bridge, when available, for this RSTP topology.

  Referring to the exhibit, which configuration change should be performed?

  A. Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a priority of 255.

  B. Configure the system MAC on Switch-1 to be higher than the other two switches.

  C. Configure the bridge-priority on Switch-1 as 4k.

  D. Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a cost of 0.

  Correct Answer: D

• Question 96:

  What are two Layer 2 firewall filter types? (Choose two.)

  A. port-based

  B. packet-based

  C. flow-based

  D. VLAN-based

  Correct Answer: AD

• Question 97:

  Which two statements about DIS elections in IS-IS are correct? (Choose two.)

  A. If a priority tie occurs, the router with the higher subnetwork point of attachment (SNPA) value becomes the DIS.

  B. The router with the higher priority value becomes the DIS.

  C. The router with the lower priority value becomes the DIS.

  D. If a priority tie occurs, the router with the lower subnetwork point of attachment (SNPA) value becomes the DIS.

  Correct Answer: AB

• Question 98:

  Referring to the exhibit, which devices will receive the packet sent by User B?

  

  A. User A and User D

  B. User C and User D

  C. User C

  D. User C, User A, and User D

  Correct Answer: B

• Question 99:

  The router ID is not configured.

  How does OSPFv3 determine the router ID in this situation?

  A. OSPFv3 uses the IPv4 address of the first interface that comes up.

  B. OSPFv3 uses the IPv6 address of the last interface that comes up.

  C. OSPFv3 uses the IPv6 address of the first interface that comes up.

  D. OSPFv3 uses the IPv4 address of the last interface that comes up.

  Correct Answer: A

• Question 100:

  What are three reasons a BGP route would be hidden? (Choose three.)

  A. The AS Path contains a 0.

  B. It is suppressed by a damping policy.

  C. The Local Preference is 0.

  D. The next hop is unreachable.

  E. It is rejected by a firewall term.

  Correct Answer: ABD