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Juniper Junos Troubleshooting Sample Questions:

1. Which three statements are true about performing an ISSU on a Junos device? (Choose three.)

A) Any unsupported PICs will cause the ISSU process to fail with "Error: incompatible hardware detected."
B) The backup RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
C) The master RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
D) Every PFE on each FPC downloads the new software from the backup RE.
E) ksyncd synchronizes the kernel on the backup RE with the master RE.

2. What controls the CLI process?

A) chassis control daemon
B) management daemon
C) routing protocol process
D) device control daemon

3. Click the Exhibit button.
-- Exhibit -user@router> show system processes extensive last piD. 4160; load averages: 0.13, 0.08, 0.07 up 2+02:47:50 21:13:39 120 processes: 17 running, 90 sleeping, 1 zombie, 12 waiting
Mem: 141M Active, 96M Inact, 517M Wired, 160M Cache, 112M Buf, 55M Free Swap:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1271 root 7 76 0 514M 63724K select 0 157.9H 280.42% flowd_octeon_hm 22 root 1 171 52 0K 16K RUN 0 43.3H 83.45% idlE. cpu0 4158 lab 1 78 0 49192K 16440K select 0 0:00 2.25% cli 1255 root 1 76 0 114M 17604K select 0 41:47 0.00% chassisd 24 root 1 -20 -139 0K 16K WAIT 0 18:50 0.00% swi7: clock 1293 root 1 76 0 12476K 6484K select 0 9:25 0.00% license-check 4159 root 1 76 0 38608K 5720K select 0 0:00 0.00% mgd
... 36 root 1 8 0 0K 16K usbevt 0 0:00 0.00% usb1 33 root 1 8 0 0K 16K usbevt 0 0:00 0.00% usb0 4160 root 1 77 0 24260K 1816K CPU0 0 0:00 0.00% top 1176 root 1 -8 0 0K 16K mdwait 0 0:00 0.00% md2 7 root 1 8 0 0K 16K - 0 0:00 0.00% thread taskq 1186 root 1 -8 0 0K 16K mdwait 0 0:00 0.00% md3 0 root 1 -8 0 0K 0K WAIT 0 0:00 0.00% swapper
-- Exhibit -
Referring to the exhibit, which Junos OS process was the last one to start?

A) top
B) swapper
C) flowd_octeon_hm
D) cli

4. You are asked to provide an audit trail for all user activity on your Junos device.
Which syslog configuration statement accomplishes this task?

A) user * {
any any;
}
file messages {
any info;
authorization info;
}
B) user * {
any any;
}
file messages {
any notice;
authorization info;
}
C) user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file audit-commands {
authorization any;
}
D) user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file interactive-commands {
interactive-commands any;
}

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

A) show route protocols ospf displays the entries in the Open Shortest Path First (OSPF) routing table.
B) show ospf route 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.

Solutions: