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Juniper Junos Troubleshooting Sample Questions:

1. -- 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.

2. Which route would a packet destined to 192.168.14. take?

A) 192.168.14.0/24 *[BGP/70]
B) 192.168.14.0/24 *[BGP/200]
C) 192.168.14.0/24 *[BGP/100]
D) 192.168.64.0/21 *[Direct/0]

3. Which operational command would be used to display diagnostic data and alarms for 1/10/100 Gigabit Ethernet optical transceivers?

A) show interfaces controller
B) show interfaces diagnostics optics
C) show chassis alarms
D) show interfaces extensive

4. By default, in which table are OSPF routes stored on a Junos device?

A) inet.0
B) inet.1
C) inet.3
D) inet.2

5. Which two commands help to identify traffic drops due to oversubscription? (Choose two.)

A) monitor traffic interface
B) show interfaces extensive
C) show interfaces queue
D) monitor interface traffic

Solutions: