A security administrator is tasked with ensuring that all devices have updated virus definition files
before they are allowed to access network resources. Which of the following technologies would
be used to accomplish this goal?

A.
NIDS

B.
NAC

C.
DLP

D.
DMZ

E.
Port Security

Explanation:

Network Access Control (NAC) means controlling access to an environment through strict
adherence to and implementation of security policies.