CompTIA Exam Questions

Which of the following is the BEST solution?

An administrator needs to secure RADIUS traffic between two servers. Which of the following is
the BEST solution?

A.
Require IPSec with AH between the servers

B.
Require the message-authenticator attribute for each message

C.
Use MSCHAPv2 with MPPE instead of PAP

D.
Require a long and complex shared secret for the servers