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Juniper Junos Troubleshooting Sample Questions:

1. What is the name of the routing protocol process on a Junos OS device?

A) chassisd
B) snmpd
C) cosd
D) rpd

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

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

3. You have configured graceful Routing Engine switchover (GRES) on your device running the Junos OS. Which command would you run to ensure that GRES is functioning properly?

A) Issue the show system switchover command from the master Routing Engine.
B) Issue the show chassis routing-engine command from the master Routing Engine.
C) Issue the show chassis routing-engine command from the backup Routing Engine.
D) Issue the show system switchover command from the backup Routing Engine.

4. Which two statements are correct about the show ospf route and the show route protocols ospf commands? (Choose two.)

A) show ospf route displays the entries in the Open Shortest Path First (OSPF) routing table.
B) show route protocols ospf displays the entries in the Open Shortest Path First (OSPF) routing table.
C) show ospf route displays the route entries in the routing table that were learned through OSPF.
D) show route protocols ospf displays the route entries in the routing table that were learned through OSPF.

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

Solutions: