CompTIA Security+ Question D-64

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

Answer: B

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