A Junos device is running a standard Junos OS package, and the engineer needs to add a new package that provides additional functionality. However, the engineer is concerned that the new package may conflict with an existing package. What should the engineer do to minimize the risk of conflict?

Use the 'request system software replace' command to replace the existing package with the new one.

Add the new package using the 'request system software add' command and then reboot.

Check the release notes and compatibility information for the new package before adding it.

Delete the existing package before adding the new one to avoid conflicts.

A Junos device is being upgraded from a release that is several versions old. The engineer has downloaded the new image and is ready to install it. What is the recommended first step before adding the new software package?

Reboot the device to ensure a clean state before installation.

Immediately run the 'request system software add' command without any preparation.

Save a copy of the current configuration and verify that the device has sufficient disk space.

Delete all existing software packages to avoid conflicts.

What is the purpose of the request system software delete command?

To remove a software package from the device

To delete the configuration file

To uninstall the Junos OS and return to factory defaults

An engineer is planning to upgrade a Junos device that is currently running a version that is several releases old. The engineer wants to ensure that the upgrade does not fail due to configuration incompatibilities. What should the engineer do before starting the upgrade?

Upgrade directly to the latest version without checking intermediate releases.

Reboot the device to clear any temporary files before the upgrade.

Delete the current configuration to avoid any conflicts with the new version.

Review the release notes for the target version to identify any configuration changes or incompatibilities.

After upgrading a Junos device, the engineer wants to ensure that the new software is running correctly and that all required processes are active. Which command should the engineer use to check the system's health and software status?

'show system processes extensive'

Juniper NetworksCertified Associate, Junos

Domain 5Objective 4

Junos OS Installation and Upgrades JN0-105 Practice Questions (Page 1)

Part of the Operational Monitoring and Maintenance domain, which makes up ~15% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–9 in this domain), expect 1–2 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)

24questions here

5free pages

6concepts

Questions 1–5

1expert · hard
A Junos device is running a standard Junos OS package, and the engineer needs to add a new package that provides additional functionality. However, the engineer is concerned that the new package may conflict with an existing package. What should the engineer do to minimize the risk of conflict?
Select an answer first
2application · medium
A Junos device is being upgraded from a release that is several versions old. The engineer has downloaded the new image and is ready to install it. What is the recommended first step before adding the new software package?
Select an answer first
3foundation · easy
What is the purpose of the request system software delete command?
Select an answer first
4application · medium
An engineer is planning to upgrade a Junos device that is currently running a version that is several releases old. The engineer wants to ensure that the upgrade does not fail due to configuration incompatibilities. What should the engineer do before starting the upgrade?
Select an answer first
5application · medium
After upgrading a Junos device, the engineer wants to ensure that the new software is running correctly and that all required processes are active. Which command should the engineer use to check the system's health and software status?
Select an answer first

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