Juniper Juniper Certifications JN0-104 Questions & Answers

• Question 41:

  Which two operating systems are used as the foundation of the Junos OS? (Choose two.)

  A. Ubuntu

  B. CentOS

  C. Linux

  D. FreeBSD

  Correct Answer: CD

• Question 42:

  What are two link state routing protocols? (Choose two.)

  A. IS-IS

  B. OSPF

  C. IBGP

  D. EBGP

  Correct Answer: AC

  https://en.wikipedia.org/wiki/Link- state_routing_protocol#:~:text=Examples%20of%20link%2Dstate% 20routing,System%20(I S%2DIS).

• Question 43:

  You are troubleshooting a problem on your Junos device. You want to view the syslog messages in real- time on your terminal.

  In this scenario, which command will accomplish this task?

  A. monitor log messages

  B. monitor start messages

  C. show log messages

  D. show log traceoptions

  Correct Answer: C

• Question 44:

  Which attribute must be defined when configunng a non-root user in Junos OS?

  A. class

  B. uid

  C. authentication

  D. full-name

  Correct Answer: A

  UID is optional (it is automatically set) whereas class is required: https://www.juniper.net/documentation/us/en/software/junos/user-access/topics/topic-map/junos-os-user- accounts.html

• Question 45:

  Which statement is true when using the allow command and deny command attributes when creating user permissions?

  A. If you allow and deny the same commands, the Junos OS will fail the commit check.

  B. If you allow and deny the same command, the allow command permissions take precedence over the deny command permissions.

  C. If you specify a regular expression for allow and deny with two variants of a command, both will be ignored.

  D. The all login class permission bits take precedence over allow and deny when a user issues the rollback command.

  Correct Answer: B

• Question 46:

  Referring to the exhibit, which command will change the 172.16.10.1/24 IP address to 172.16.100.1/24 IP address?

  

  A. copy interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

  B. set interfaces ge-0/0/2 unit 0 family inet address 172.16.100.1/24

  C. rename interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

  D. insert interface ge-0/0/2 unit 0 family inet address 172.16.10.1/24 before address 172.16.100.1/24

  Correct Answer: C

  https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/rename.html

• Question 47:

  Which word starts a command to display the operational status of a Junos device?

  A. put

  B. set

  C. show

  D. get

  Correct Answer: C

• Question 48:

  What does the "3" in Junos version 14.2R3.2 represent?

  A. a single-threaded version of the Junos OS.

  B. a major release number.

  C. a minor release number.

  D. a service build number.

  Correct Answer: C

• Question 49:

  What is the network address for a host with an IP address of 192.168.87.125/16?

  A. 192.168.128.0

  B. 192.168.0.0

  C. 192.168.96.0

  D. 192.168.87.0

  Correct Answer: D

• Question 50:

  What are two modes of unicast reverse path forwarding? (Choose two.)

  A. Strict

  B. High

  C. Low

  D. Loose

  Correct Answer: AD

  There are two modes of unicast RPF, strict mode, and loose mode. The default is strict mode, which means the switch forwards a packet only if the receiving interface is the best return path to the packet's unicast source address.

  https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l3-vpns-unicast-reverse- path.html#:~:text=There%20are%20two%20modes%20of,the%20packet's%20unicast%20 source% 20address.