Juniper Junos, Associate (JNCIA-Junos) - JN0-103 Exam Questions [2026]

QUESTION NO: 1
When multiple users are editing the configuration on a Junos device, What is the default behavior when a user issues a commit command?

A. The user's configuration changes are committed, other users configuration changes are still pending B. All valid configuration changes made by all users will take effect C. The user's configuration changes are committed, other users will be exited from the configuration mode D. The user will receive an error message disallowing a commit of the configuration

Correct Answer: A

QUESTION NO: 2
You are connected to your Junos device using an SSH connection to the txp0 interface. No other interfaces are currently configured and unreachable from your management network. How would you reestablish communication with the device?

A. Unplug the network cable and plug it back in B. Establish a SSH connection to the loopback interface C. Power off and power on the device D. Connect to the console of the device

Correct Answer: D

QUESTION NO: 3
What would you use as a network tool to open a secure terminal connection from a device running Junos OS to another device?

A. telnet B. RDP C. HTTPS D. SSH

Correct Answer: D

QUESTION NO: 4
You have received a request from the user, SecurityTeam, to notify their terminal connection only when someone commits a change to the configuration of a specific networking device. Which command would you input in this scenario?

A. set system syslog user SecurityTeam interactive-commands B. set system syslog user SecurityTeam change-log any C. set system syslog user SecurityTeam change-log alert D. set system syslog user SecurityTeam interactive-commands any

Correct Answer: B

QUESTION NO: 5
Given the configuration shown below: set system authentication-order [tacplus] Which two statement are correct? (Choose two.)

A. If the TACACS+ server is no available, the local database is checked. B. If the TACACS+ server is available, and rejects the username/password provided, the user is not allowed to access the device. C. If the TACACS+ server is available, and rejects the username/password provided, the local password database is checked. D. If the TACACS+ server is no available, the user is not allowed to access the device.

Correct Answer: A,B

QUESTION NO: 6
What statement is true about the orlonger route-filter match type?

A. All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match B. All routes within the specified prefix that are longer than the given prefix are considered a match C. All routes within the specified prefix that are longer or equal to the given prefix are considered a match D. All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

Correct Answer: B

QUESTION NO: 7
What is the purpose of the load merge command?

A. to add or delete variables from the configuration based on the contents of a specified path file. B. to completely overwrite the current configuration with the configuration you load. C. to look for a replace tag in the configuration you load. D. to combine the current configuration with the configuration you load.

Correct Answer: D

QUESTION NO: 8
Click the Exhibit button.

Referring to the exhibit, what happens to a packet that has a destination address of 172.17.0.1?

A. The packet is silently discarded. B. The packet is forwarded to the next hop of the management network. C. The packet is forwarded to the next hop defined in the default route. D. The packet is rejected and an ICMP network unreachable message is sent to the source address.

Correct Answer: D

QUESTION NO: 9
Click the Exhibit button.

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

A. Configure the correct NTP trusted key using the net trusted-key <key-value> configuration command under the [edit system ntp] hierarchy. B. Issue the set date ntp operational command. C. Reboot the router. D. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy.

Correct Answer: B