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Juniper Junos Troubleshooting Sample Questions:

1. An OSPF neighbor is stuck in the Exchange state.
Which condition would cause this to happen?

A) mismatched authentication
B) a mismatched IP subnet
C) a mismatched MTU
D) a mismatched area

2. -- Exhibit -
user@router> show system switchover
Graceful switchover: On
Configuration databasE. Ready
Kernel databasE. Version incompatible
Peer statE. Steady State
-- Exhibit -
You have enabled graceful Routing Engine switchover (GRES). During verification, you switched mastership and all interfaces went down.
Referring to the output shown in the exhibit, why did the interfaces go down?

A) The synchronization failed because the Junos OS version on the backup does not support GRES.
B) The synchronization failed because the Junos OS version on the backup is incompatible with the version running on the master.
C) The synchronization failed because the master Routing Engine cannot communicate with the backup Routing Engine.
D) The synchronization failed because the Routing Engine models are different between the master and backup.

3. Which two tools would be used to troubleshoot BGP peering problems? (Choose two.)

A) the link-state database
B) the monitor traffic interface command
C) the inet.3 routing table
D) traceoptions

4. A customer operates a multi-vendor production network. They report that LSAs are aging out on Junos devices. Which OSPF parameter must be tuned to prevent this behavior?

A) dead interval
B) hello interval
C) LSA refresh interval
D) LSA retransmission interval

5. Click the Exhibit button.

You recently added an EBGP neighbor to R1 and you are receiving a single BGP route for their internal network. You notice that on R2 the route learned from C1 is being marked as hidden because the next hop is unusable.
Referring to the exhibit, what should you do to resolve the problem?

A) Create a next-hop-self import policy and apply this policy to IBGP.
B) Create a next-hop-self import policy on R2 and apply this policy to IBGP.
C) Create a next-hop-self import policy on R1 and apply this policy to EBGP.
D) Create a next-hop-self export policy on R1 and apply this policy to IBGP.

Solutions: