Network Configuration Flashcards

Which Junos CLI command displays the current routing table?

Answer: show route

The 'show route' command displays the routing table in Junos OS, showing all routes learned via static, connected, and dynamic protocols.

What is the purpose of the 'commit confirmed' command in Junos?

Answer: Commits configuration and automatically rolls back if not confirmed within a timeout

'commit confirmed' activates configuration changes but schedules an automatic rollback after a timeout (default 10 minutes) unless a subsequent 'commit' is issued, providing a safety net.

Which statement is true about Junos configuration groups?

Answer: Groups allow reusable configuration snippets that can be applied with 'apply-groups'

Junos configuration groups define reusable configuration blocks that are applied to the active configuration using the 'apply-groups' directive, reducing repetition.

What does the 'deactivate' command do in Junos configuration mode?

Answer: Marks a configuration stanza as inactive without deleting it

The 'deactivate' command marks a configuration stanza as inactive (prefixed with '##INACTIVE:'), leaving it in the configuration but not applying it to the active system.

In Junos, which command shows the configuration difference between the active and candidate configuration?

Answer: show | compare

The 'show | compare' command in Junos configuration mode displays a diff between the current candidate configuration and the last committed (active) configuration.

Which Junos feature allows multiple configuration changes to be grouped and committed together?

Answer: Candidate configuration

The candidate configuration allows operators to stage multiple changes simultaneously. All edits are held in a candidate configuration until a 'commit' is issued, applying them atomically.