JN0-103 Online Practice Questions and Answers

When multiple users are editing the configuration on a Junos device, what is the default behavior when a user issues a commit command?

A. All valid configuration changes made by all users will take effect.

B. The user's configuration changes are committed; other users' configuration changes are still pending.

C. The user will receive an error message disallowing a commit of the configuration.

D. The user's configuration changes are committed; other users will be exited from configuration mode.

Which two statements describe PFE functions? (Choose two.)

A. The PFE stores a local copy of the Layer 2 and Layer 3 forwarding tables.

B. The PFE provides access to the CLI and J-Web.

C. The PFE stores the master copy of the Layer 2 and Layer 3 forwarding tables.

D. The PFE implements rate limiting using policers.

Click the Exhibit button.

Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

A. Issue the set date ntp operational command.

B. Configure the correct NTP trusted key using the set trusted-key configuration command under the [edit system ntp] hierarchy.

C. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy.

D. Reboot the router.

You configured the route filter shown in the exhibit.

In this scenario, which IP addresses would term-One accept?

A. IP addresses that are part of the 172.35.0.0/16 network only.

B. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.

C. IP addresses that are in a subnet of 172.35.0.0/16 network, but not IP addresses that are part of the 172.35.0.0/16 network itself.

D. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in subnets of 172.35.0.0/16 network.

Which user authentication method is supported by the Junos OS as a last resort alternative?

A. TACACS+

B. RADIUS

C. local user database

D. enable password

Referring to the exhibit, you are asked to rate-limit traffic from Web-Server to the subnet where Mal-User is located. All other traffic should be permitted.

Which firewall filter configuration do you use?

A. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

B. [edit firewall]user@router# showpolicer LIMIT-BAD-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

C. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then reject;}}}

D. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {200.200.200.0/24;}destination-address {100.100.100.10/32;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

You have entered the command show log messages | match "error|kernel|panic".

Which statement is correct regarding the keywords error, kernel, and panic in the output?

A. The output will contain all messages from the file except the ones that contain at least one of the three defined keywords.

B. The output will contain all messages from the file that contain at least one of the three defined keywords.

C. The output will contain all messages from the file except the ones that contain all three defined keywords.

D. The output will contain all messages from the file that contain all three defined keywords.

What is the default location of the primary syslog file on Junos devices?

A. /var/log/

B. /var/tmp/

C. /var/home/

D. /var/db/

Which command allows you to verify the syntax and consistency of your configuration without actually activating your configuration?

A. User Interfaces

B. commit verify

C. commit check

D. check commit

E. commit no-activate

What is the default route preference for OSPF internal?

A. 100

B. 150

C. 5

D. 10