Which recommended security practice prevents attackers from performing password recovery on a Cisco IOS router for the purpose of gaining access to the privileged EXEC mode?
- Locate the router in a secure locked room that is accessible only to authorized personnel.
- Configure secure administrative control to ensure that only authorized personnel can access the router.
- Keep a secure copy of the router Cisco IOS image and router configuration file as a backup.
- Provision the router with the maximum amount of memory possible.
- Disable all unused ports and interfaces to reduce the number of ways that the router can be accessed.
Explanation: Of the three areas of router security, physical security, router hardening, and operating system security, physical security involves locating the router in a secure room accessible only to authorized personnel who can perform password recovery.
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