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.