Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 91:

  You are notified that clients connected to your EX Series switch are not receiving IP addresses from the DHCP server. Based on the following diagram, what could be a reason for this?

  

  A. The DHCP server's ge-0/0/0 interface has not been configured as a trusted interface.

  B. The dynamic ARP inspection feature needs to be enabled on the ge-0/0/0 interface.

  C. The DHCP relay setting in the forwarding-options hierarchy has not been configured.

  D. The location information is not being inserted into the DHCP option 82 requests.

  Correct Answer: A

• Question 92:

  A number of reports from end-users indicate that internal and external communications are intermittent and not reliable. You verified the status of the switch ports and have determined that that they are up and operational. You also noticed a

  very high level of link bandwidth utilization on those same ports.

  The current topology of the affected environment is shown in the exhibit.

  What would be the cause of the reported issues?

  

  A. A lack of port-based ACLs filtering the traffic flows.

  B. A misconfigured interior gateway protocol (IGP).

  C. A lack of loop-prevention mechanism or protocol.

  D. A malformed route-based ACL improperly filtering traffic flows.

  Correct Answer: C

• Question 93:

  -- Exhibit -[edit]

  user@router# commit

  [edit protocols]

  'bgp'

  Error in neighbor 172.27.1.4 of group ebgp:

  must define local autonomous system when enabling BGP

  error: configuration check-out failed

  -- Exhibit -You are configuring BGP on a new router. While attempting to commit the configuration, you receive the error shown in the exhibit.

  What must be done to allow the commit to complete?

  A. Configure the autonomous-system parameter at the [edit forwarding-options] hierarchy.

  B. Configure the autonomous-system parameter at the [edit routing-options] hierarchy.

  C. Configure the autonomous-system parameter at the [edit protocols bgp group ebgp] hierarchy.

  D. Configure the autonomous-system parameter at the [edit protocols bgp] hierarchy.

  Correct Answer: B

• Question 94:

  -- Exhibit -user@router> show isis interface ge-0/0/2.0 detail IS-IS interface database: ge-0/0/2.0 Index: 71, StatE. 0x6, Circuit iD. 0x1, Circuit typE. 3 LSP interval: 100 ms, CSNP interval: 10 s Adjacency advertisement: Advertise ... -- Exhibit -Referring to the exhibit, which IS-IS level is supported on the ge-0/0/2.0 interface?

  A. Level 1

  B. Level 2

  C. Level 3

  D. Level 1 and Level 2

  Correct Answer: D

• Question 95:

  Which device is used to separate collision domains?

  A. switch

  B. router

  C. hub

  D. firewall

  Correct Answer: A

• Question 96:

  Which OSPF packet type is sent when an OSPF router detects its database is stale?

  A. link-state request

  B. database description

  C. hello

  D. link-state acknowledgment

  Correct Answer: A

• Question 97:

  Which two steps must be performed to carry out a unified ISSU on an EX Series Virtual Chassis? (Choose two.)

  A. Enable GRES and NSR, then verify that the Routing Engines are synchronized.

  B. Download the new software package and copy it to both Routing Engines before the upgrade.

  C. Verify that the master and backup Routing Engines are running the same software version.

  D. Shut down the backup Routing Engine before the upgrade.

  Correct Answer: AC

• Question 98:

  Which statement about IS-IS adjacencies is true?

  A. Adjacency formation between Level 1 routers must have the same area ID.

  B. Adjacency formation between Level 2 routers must have different area IDs.

  C. Adjacency formation between Level 1 routers must have different area IDs.

  D. Adjacency formation between Level 2 routers must have the same area ID.

  Correct Answer: A

• Question 99:

  You want to share routes between your Junos device's master routing instance and another routing instance. Which feature would be used to accomplish this task?

  A. a static route

  B. filter-based forwarding

  C. a RIB group

  D. an aggregate route

  Correct Answer: C

• Question 100:

  You are asked to deploy a GRE tunnel between two remote sites. Which two statements are correct? (Choose two.)

  A. The tunnel endpoints must have tunnel interfaces to encapsulate the transported packets.

  B. The tunnel endpoints must have tunnel interfaces to encrypt the transported packets.

  C. All intermediate routers between the tunnel endpoints must have GRE transport support enabled.

  D. All intermediate routers between the tunnel endpoints must have a route to the tunnel endpoints.

  Correct Answer: AD