How does the use of single connect mode for device authentication improve performance?
A . It uses a single VIP on the network access device
B . It uses a single TCP connection for all RADIUS communication.
C . It multiplexes RADIUS requests to the server over a single session
D . It uses a single TCP connection for all TACACS+ communication
Answer: D
Explanation:
Single Connection Mode is intended to improve performance by allowing a client to multiplex multiple session on a single TCP connection.