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2021 Nov JN0-691 brain dumps

Q71. You have configured and successfully committed the configuration for nonstop active routing (NSR).Which command would you use to determine if NSR is operating correctly? 

A. Use the show system synchronization command on the master and the backup Routing Engines. 

B. Use the show task replication command only on the master Routing Engine. 

C. Use the show task replication command on the master and the backup Routing Engines. 

D. Use the show system synchronization command only on the master Routing Engine. 

Answer: C 


Q72. Which three statements are true about performing an ISSU on a Junos device? (Choose three.) 

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

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

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

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

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

Answer: A, B, D 


Q73. Your supervisor asks you to use the unified in-service software upgrade (ISSU) process to upgrade a Junos device. What are two results upon execution? (Choose two.) 

A. The backup RE is upgraded with the new software and resynchronizes with the master RE. 

B. kmd synchronizes the kernel on the backup RE with the master RE. 

C. The master RE is upgraded with the new software and resynchronizes with the backup RE. 

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

Answer: A, D 


Q74. 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 fxp0 interface 

C. input on the lo0 interface 

D. output on the lo0 interface 

Answer: C 


Q75. You are asked to configure traceoptions to capture all general events for rpd. Which configuration statement accomplishes this task? 

A. [edit routing-options] user@router# show traceoptions { 

file rpd_log; flag general; 

} 

B. [edit routing-instances] user@router# show traceoptions { 

file rpd_log; flag general; 

} 

C. [edit forwarding-options] user@router# show traceoptions { 

file rpd_log; flag general; 

} 

D. [edit protocols] user@router# show traceoptions { 

file rpd_log; flag general; 

} 

Answer: A 


Latest JN0-691 free practice questions:

Q76. Click the Exhibit button. 

Referring to the exhibit, you have configured the child interfaces for your link aggregation groups (LAGs) and noticed that ae3 is not showing. What must you do to enable ae3? 

A. Set minimum-links to 1 on ae3. 

B. Set another child interface for ae0. 

C. Use ge-0/0/10 instead of ge-0/0/14 for ae3’s second child interface. 

D. Set the aggregated-device count on the chassis to 4. 

Answer: D 


Q77. What information isshown in the ARP table? (Choose two.) 

A. VLAN IDs 

B. MAC addresses 

C. VLAN names 

D. interfaces 

Answer: B, D 


Q78. Click the Exhibit button. 

Referring to the exhibit, which two behaviors are expected if User B sends a frame with a destination MAC address of 00:26:88:02:74:88? (Choose two.) 

A. The frame will be received and processed by the User C device only. 

B. The switch will receive and forward the frame. 

C. The frame will be received and processed by all host devices. 

D. The switch will receive and discard the frame. 

Answer: A, D 


Q79. 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. 0 

B. 1 

C. 128 

D. 254 

Answer: D 


Q80. You cannot complete a Junos OS software upgrade because there is not enough disk space on yourrouter. Which two parameters would you add to therequest system software addcommand to help complete the upgrade? (Choose two.) 

A. no-copy 

B. no-validate 

C. unlink 

D. best-effort-load 

Answer: A, C