Following a failure of services in the network, an administrator discovered that the configuration in one of the enterprise routers had been changed.
What actions can be taken by the administrator to prevent further changes? (Choose three)
Following a failure of services in the network, an administrator discovered that the configuration in one of the enterprise routers had been changed.
What actions can be taken by the administrator to prevent further changes? (Choose three)
To prevent unauthorized changes to the router's configuration, the administrator should ensure that user management and access control measures are in place. Configuring AAA (Authentication, Authorization, and Accounting) helps manage user access and permissions effectively. An Access Control List (ACL) can be set up to allow only the administrator to access the router, significantly reducing the risk of unauthorized changes. Port-security configuration is also critical as it can restrict access to the router based on the MAC addresses of devices, thereby adding an additional layer of security. However, setting the login privilege of users to 0 (Option A) is not practical as it would typically deny all capabilities to the users, including valid administrative actions.
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