CompTIA Network+ Practice Test

During which network event would you revert to a backup configuration?

1. Only during scheduled maintenance

2. When new hardware is installed

3. When problems occur after a change

4. When upgrading the network speed

The correct answer is: When problems occur after a change

Reverting to a backup configuration is particularly relevant when problems occur after a change. This scenario typically arises when changes made to the network, such as configuration updates or new deployments, lead to unexpected issues or disruptions in service. In such cases, having a backup configuration allows network administrators to restore the previous, stable state of the network quickly. The importance of this action lies in minimizing downtime and maintaining network reliability. If changes introduce configuration errors, unexpected behavior, or conflicts within the network, reverting to a backed-up configuration can help ensure continuity of service while further troubleshooting is conducted. This best practice is crucial in network management, as it helps maintain operational integrity under changing circumstances. Scheduled maintenance, installation of new hardware, and upgrading network speed are important events, but they do not inherently necessitate the immediate reversion to backup configurations unless issues arise during those specific changes. Thus, the primary context for reverting to backups centers on the management of changes that result in operational issues.