Allen Is Visiting One of His Client's Data Centers And

Multiple Choice

Allen is visiting one of his client's data centers and, after signing in, is escorted through the premises the entire time. He notices that, in order to gain access to the data center, the employee had to swipe a proximity badge, key in a 6 digit code, and place his finger on a scanner. Which of the following describes the type of security that he just witnessed?

A) MFA
B) SFA
C) MTD
D) SLA