Junos, Associate (JNCIA-Junos) v1.0
Question 1
Which two tasks are performed by the Routing Engine in a Junos device? (Choose two.)
- A. The Routing Engine runs routing protocols.
- B. The Routing Engine evaluates transit traffic against firewall filters.
- C. The Routing Engine manages the device configuration.
- D. The Routing Engine forwards transit traffic.
Answer : AC
Question 2
A security policy requires that a user account be created for auditing purposes. This user should only view configuration and operational data without making any changes.
Which predefined login class would satisfy this requirement?
- A. operator
- B. unauthorized
- C. read-only
- D. super-user
Answer : C
Question 3
When troubleshooting a problem, you issue the following commands in sequence:
1. show chassis alarms
2. show chassis fpc
3. show chassis fpc detail
4. show chassis errors fpc-slot 0
In this scenario, what happens when you press the up arrow key twice at the prompt?
- A. The show chassis fpc command is displayed at the prompt.
- B. The show chassis errors fpc-slot 0 command is displayed at the prompt.
- C. The show chassis alarms command is displayed at the prompt.
- D. The show chassis fpc detail command is displayed at the prompt.
Answer : D
Question 4
Click the Exhibit button.
You have configured multiple authentication methods on your Junos device, including RADIUS, TACACS+, and local user accounts. A user attempts to log in, but the RADIUS server is unavailable.
Referring to the exhibit, which statement is correct?
- A. The user is prompted to select a different authentication method.
- B. The login attempt fails immediately.
- C. Junos will continue to attempt to authenticate with the RADIUS server until it responds.
- D. Junos attempts the next configured authentication method.
Answer : D
Question 5
You are creating a new user account using a predefined login class on a Junos device. The account should be able to run operational mode commands such as show interfaces and ping, but should not be allowed to change or commit configuration.
Which login class should you assign to this user?
- A. maintenance
- B. read-only
- C. super-user
- D. operator
Answer : D
Question 6
What information would you find using the CLI help command?
- A. a URL for accessing the technical documentation
- B. message of the day
- C. hyperlinks for remediation actions
- D. an explanation for specific system log error messages
Answer : A
Question 7
What does the Junos CLI prompt indicate when it ends with a hash symbol (#)?
- A. The user is in operational mode.
- B. The user is in configuration mode.
- C. The user is in shell mode.
- D. The user is in recovery mode.
Answer : B
Question 8
Click the Exhibit button.
Which command displays the output in the format shown in the exhibit?
- A. show configuration | display inheritance
- B. show configuration | display set
- C. show configuration
- D. show configuration | display detail
Answer : B
Question 9
Which character is used to filter the command output in the Junos CLI?
- A. |
- B. ?
- C. >
- D. <
Answer : A
Question 10
Which protocol provides secure remote CLI access to a Junos device?
- A. FTP
- B. SNMP
- C. Telnet
- D. SSH
Answer : D
Question 11
Which two tasks would you perform in operational mode? (Choose two.)
- A. requesting the system to reboot
- B. verifying the version of Junos OS
- C. committing your configuration
- D. rolling back to a previous configuration
Answer : AB
Question 12
Which two actions would you perform when you are in the operational mode of the CLI? (Choose two.)
- A. Clear the log files.
- B. Commit the configuration.
- C. Reboot the device.
- D. Configure routing protocols.
Answer : AC
Question 13
Which two statements describe the result when you enter ? at the command-line prompt? (Choose two.)
- A. It lists the available commands and options.
- B. It lists tips for the help menu.
- C. It displays help about a text string contained in a statement.
- D. It displays summary information about the commands and options.
Answer : AD
Question 14
You committed a new configuration on a Junos router, but users report connectivity issues. You must quickly restore the previous working configuration without manually editing the candidate configuration.
Which command should you use to load the required configuration into the candidate configuration?
- A. rollback 0
- B. show | compare rollback
- C. rollback 1
- D. load override
Answer : C
Question 15
Which command would compare the candidate configuration with the active configuration before committing the changes?
-
A.
[edit]
user@router# show | compare -
B.
[edit]
user@router# rollback 0 - C. user@router> show configuration | compare rollback 0
- D. user@router> show configuration | compare
Answer : A