What is the biggest issue with local implementation of AAA?
- Local implementation cannot provide secure authentication.
- Local implementation supports only RADIUS servers.
- Local implementation supports only TACACS+ servers.
- Local implementation does not scale well.
Answers Explanation & Hints: One of the purposes of AAA is to provide secure authentication to network devices. Local implementation does not use RADIUS or TACACS+ servers. It relies on a local database to authenticate all users. This can be a problem in a network that has many devices with hundreds of users or more.