最新的Juniper JN0-691免費考試真題

問題1

Which two statements are true about the Junos chassis daemon? (Choose two.)

A. You can parse the chassis daemon log to view the details and time lines for hardware events that have occurred.

B. Theshow log chassisdcommand allows you to view chassis related events.

C. You cannot parse the chassis daemon log to view the details andtimelines for hardware events that have occurred.

D. Theshow log dcdcommand allows you to view chassis related events.

正確答案: A,B

問題2

Which two actions should you perform prior to troubleshooting a problem? (Choose two.)

A. Upgrade the software or firmware.

B. Use change-control processes.

C. Determine what is normal in the network.

D. Reboot the system.

正確答案: B,C

問題3

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

A. The backup RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.

B. Every PFE on each FPC downloads the new software from the backup RE.

C. The master RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.

D. Any unsupported PICs will cause the ISSU process to fail with "Error: incompatible hardware detected."

E. ksyncd synchronizes the kernel on the backup RE with the master RE.

正確答案: B,C,E

問題4

Which three statements are correct about ARP related troubleshooting? (Choose three.)

A. The clear arp command also clears the IPv6 neighbor cache.

B. There are no default ARP policers on any devices running the Junos OS.

C. An individual ARP entry can be cleared using the clear arp hostname command.

D. The monitor traffic interface <interface-name> command can be used to watch ARP packets.

E. Most devices that run the Junos OS allow you to specify a manual ARP entry.

正確答案: C,D,E

問題5

Given the example shown below: Emergency boot media > flash disk > _____
What is missing from the default boot list?

A. LAN

B. USB

C. hard disk

D. PCMCIA card

正確答案: C

問題6

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. cli

C. flowd_octeon_hm

D. swapper

正確答案: A

問題7

Using Virtual Router Redundancy Protocol (VRRP), you want to statically force the priorities of the master and backup routers. Which priority would you set on the master router?

A. 254

B. 1

C. 128

D. 0

正確答案: A

問題8

To protect theRouting Engine of your Junos device from denial-of-service attacks, you created a firewall filter.
Where do you apply the firewall filter?

A. input on the fxp0 interface

B. output on the lo0 interface

C. input on the lo0 interface

D. output on the fxp0 interface

正確答案: C

問題9

You have noticed a number of recent scheduler slips on your Junos device and must identify the cause.
Which tool would you use for this task?

A. flow monitoring

B. task accounting

C. SNMP

D. RMON

正確答案: B

最新的Juniper Junos Troubleshooting - JN0-691免費考試真題

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