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You have configured some interfaces on a Junos device; however, you have not yet committed the configuration. What happens if you issue the rollback 0 command in this scenario?
Correct Answer: D
Issuing the rollback 0 command in Junos OS will discard any uncommitted changes and revert to the last committed configuration. This command effectively cancels any configuration changes that have been made but not yet committed, ensuring that the device returns to its previous stable state. Reference: "rollback 0 ...................................(rolls back the changes just made )" from Useful Juniper Commands.txt. Juniper official documentation: Rolling Back a Configuration.
