Why is the keyword none needed when implementing management plane security using TACACS+?

A. It allows the local database to authenticate when the TACACS+ server is unreachable

B. It allows the router to query a RADIUS server when the TACACS+ server is unreachable

C. It prevents all users from accessing router 1 unless the TACACS+ server is reachable

D. It allows authentication to succeed when the TACACS+ server is unreachable








 

Suggested Answer: D



This question is in 350-501 SPCOR exam 
For getting CCNP Service Provider Certificate


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