Which of the following types of security services are used to support authentication for remote users and
devices?
A.
Biometrics
B.
HSM
C.
RADIUS
D.
TACACS
Explanation:
RADIUS authentication phase takes place when a network client connects to a network access server (NAS)
and provides authentication credentials. The NAS will then make use of the authentication credentials to issue
a RADIUS authentication request to the RADIUS server, which will then exchange RADIUS authentication
messages with the NAS.