Why would a network administrator include a local username configuration, when the AAA-enabled router is also configured to authenticate using several ACS servers?
- Because ACS servers only support remote user access, local users can only authenticate using a local username database.
- A local username database is required when configuring authentication using ACS servers.
- The local username database will provide a backup for authentication in the event the ACS servers become unreachable.
- Without a local username database, the router will require successful authentication with each ACS server.
Explanation: The local username database can serve as a backup method for authentication if no ACS servers are available.
Exam with this question: CCNA Security Chapter 3 Exam Answers
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