Online Access Free JN0-690 Practice Test

Which two statements are true regarding BGP path MTU discovery? (Choose two.)

• A.BGP path MTU discovery can be enabled only for IBGP sessions.
• B.BGP path MTU discovery alleviates fragmentation problems.
• C.BGP path MTU discovery provides the most efficient use of link bandwidth.
• D.BGP path MTU discovery must be configured on every router along the path.

You suspect that your router is missing the .0/24 routes for your local network. You first want to look for the routes on the control plane before troubleshooting the data plane.
Which operational mode command should you issue?

• A.show route
• B.show arp
• C.show route flow validation table
• D.show route forwarding-table

Click the Exhibit button.
-- Exhibit -user@host > show chassis craft-interface
Front Panel System LEDs: Routing Engine 0 1
OK * . Fail . * Master * .
Front Panel Alarm Indicators:
Red LED .
Yellow LED *
Major relay .
Minor relay *
Front Panel FPC LEDs:
FPC 0 1 2 3 4 5 6 7 8 9
Red . . . . . . . . . . Green * * . . . . . . * * CB LEDs:
CB 0 1
Amber . . Green * *
PS LEDs: PS 0 1 2 3 4 5 6 7 8
Red . . . . . . . . . Green . . . . * * * * *
Fan Tray LEDs: FT 0 1 2 3
Red . . . . Green * * * *
Front Panel SFB LEDs: SFB 0 1 2 3 4 5 6 7
Red . . . . . . . . Green * * * * * * * *
Front Panel Chassis Info: Chassis Number 0x0 Chassis Role S
-- Exhibit -
Referring to the exhibit, which statement is true?

• A.Routing Engine 1 has failed, yellow LED is lit, and the major alarm relay is on.
• B.Routing Engine 1 is OK, the red LED is lit, and the minor alarm relay is on.
• C.Routing Engine 1 has failed, yellow LED is lit, and the minor alarm relay is on.
• D.Routing Engine 1 is OK, the red LED is lit, and the major alarm relay is on.

Which three steps are involved in troubleshooting any problem? (Choose three.)

• A.Isolate the problem.
• B.Clearly define the problem.
• C.Determine who made the changes.
• D.Outline the expected behavior.
• E.Reboot the device.

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