An auditor is given access to a conference room to conduct an analysis. When they connect their laptop’s
Ethernet cable into the wall jack, they are not able to get a connection to the Internet but have a link light. Which
of the following is MOST likely causing this issue?

A.
Ethernet cable is damaged

B.
The host firewall is set to disallow outbound connections

C.
Network Access Control

D.
The switch port is administratively shutdown

Explanation:
Network Access Control (NAC) means controlling access to an environment through strict adherence to and
implementation of security policies. The goals of NAC are to prevent/reduce zero-day attacks, enforce security
policy throughout the network, and use identities to perform access control.