An administrator makes changes to the default configuration of a router and saves them to NVRAM. After testing, it is discovered that the configurations did not have the desired effect and must be removed. What steps must be taken to remove the changes and return the router to the default configuration?

An administrator makes changes to the default configuration of a router and saves them to NVRAM. After testing, it is discovered that the configurations did not have the desired effect and must be removed. What steps must be taken to remove the changes and return the router to the default configuration?

• Reboot the router.
• Use no version of the commands that are issued.
• Issue the erase startup-config command, and then reboot the router.
• Issue the erase running-config command, and then reboot the router.

Exam with this question: Network Fundamentals - CCNA Exploration 1: ENetwork Final Exam