Active and Candidate Configurations JN0-105 Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A Junos device has been operational for several weeks. An administrator has made and committed several configuration changes during this time. They now need to revert the device to the exact configuration it had when it was first deployed. The administrator has a record of the initial configuration. What is the most reliable way to achieve this?

   • AUse the 'request system configuration rescue save' command.
   • BUse the 'rollback' command with the appropriate number to revert to the initial configuration.
   • CUse the 'load override' command with the saved initial configuration file.
   • DManually revert each change using the 'rollback' command.
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2. 12application · medium

   An administrator has made several changes to the candidate configuration of a Junos router. They want to apply these changes to the active configuration. However, they are concerned about a specific change that might cause a routing loop. They want to apply all changes but have the device automatically revert to the previous configuration if they do not confirm the commit within 2 minutes. Which command should they use?

   • Acommit at 2
   • Bcommit confirmed 2
   • Ccommit
   • Dcommit check
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4. 13expert · medium

   A network administrator is preparing to commit a change to the firewall configuration on a Junos device. The change is critical and they want to ensure it is applied correctly. They have already run 'commit check' and it passed. However, they are concerned about the impact of the change. They want to apply the change and have the device automatically revert if they do not confirm within 3 minutes. Which command should they use?

   • Acommit
   • Bcommit check
   • Ccommit at 3
   • Dcommit confirmed 3
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5. 14expert · medium

   A network engineer is about to commit a change to the OSPF configuration on a router. They have made the changes in the candidate configuration. Before committing, they want to ensure that the change will not cause a routing loop. They have a test environment, but they want to validate the configuration on the production device first. What is the best way to do this?

   • AUse 'commit check' to validate the configuration for syntax errors, then commit.
   • BUse 'load override' to load the configuration from a file.
   • CUse 'commit confirmed 2' to apply the change and automatically roll back if not confirmed.
   • DUse 'rollback 1' to revert to the previous configuration before committing.
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6. 15foundation · easy

   Which command is used to enter configuration mode and begin editing the candidate configuration?

   • Aset
   • Bcommit
   • Cedit
   • Dconfigure
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