What is called the access protection system that limits connections by calling back the number of
a previously authorized location?
A.
Sendback system
B.
Callback forward systems
C.
Callback systems
D.
Sendback forward systems
Explanation:
“Callback systems provide access protection by calling back the number of a
previously authorized location, but this control can be compromised by call forwarding.” Pg 48
Krutz: CISSP Prep Guide: Gold Edition.