Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 151:

  Which static route next-hop value indicates that the packet will be silently dropped?

  A. resolve

  B. discard

  C. reject

  D. next-table

  Correct Answer: B

• Question 152:

  What is reviewed first in the BGP route selection process?

  A. the peer with the lowest IP address

  B. the route with an origin of incomplete

  C. the path with no MED value

  D. the next-hop resolution

  Correct Answer: D

• Question 153:

  What are two characteristics of a shared LAN? (Choose two.)

  A. All devices are part of the same collision domain.

  B. Each device participates in its own collision domain.

  C. All traffic is flooded out to all devices.

  D. Traffic is intelligently forwarded to learned destinations.

  Correct Answer: AC

• Question 154:

  -- Exhibit ?

  

  -- Exhibit -The exhibit shows an IS-IS network where R2 has failed.

  Which router becomes the new DIS?

  A. R3

  B. R1

  C. R5

  D. R4

  Correct Answer: C

• Question 155:

  Which statement is correct regarding the default behavior of trunk ports on EX Series switches?

  A. Trunk ports only transmit untagged traffic.

  B. Trunk ports only transmit tagged traffic.

  C. Trunk ports transmit both tagged and untagged traffic.

  D. Trunk ports have 802.1Q tunneling enabled.

  Correct Answer: B

• Question 156:

  Which two statements are correct about how EX Series switches support STP and RSTP interoperability? (Choose two.)

  A. A switch running only STP accepts RSTP BPDUs and discards the RSTP-specific information.

  B. A switch running only STP discards RSTP BPDUs.

  C. A switch running RSTP accepts STP BPDUs and responds using STP BPDUs.

  D. A switch running RSTP accepts STP BPDUs and responds using RSTP BPDUs.

  Correct Answer: BC

• Question 157:

  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 all configured VLANs except the ingress port on which the frame was received.

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

  C. The frame is sent out all trunk ports associated with the ingress VLANs 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 158:

  Referring to the exhibit, what does the asterisk (*) indicate?

  

  A. This entry is new

  B. This entry is stale

  C. The router received this entry

  D. The router originated this entry

  Correct Answer: D

• Question 159:

  -- Exhibit ?

  

  -- Exhibit -

  R2 is receiving an EBGP route from R1. R3 is correctly receiving the route, but R4 is not.

  How would you resolve this problem?

  A. Change the R2, R3, and R4 peering session types to external.

  B. Configure an IBGP session between R2 and R4.

  C. Add a route reflector to AS 65501.

  D. Configure a static route between R2 and R4.

  Correct Answer: B

• Question 160:

  Which statement is true about an aggregate route?

  A. Its default next-hop value is discard.

  B. It has a lower route preference than a generated route.

  C. It supports only active routes as contributing routes.

  D. It has a default metric of 150.

  Correct Answer: C