Ann, the network administrator, has learned from the helpdesk that employees are accessing the
wireless network without entering their domain credentials upon connection. Once the connection
is made, they cannot reach any internal resources, while wired network connections operate
smoothly. Which of the following is MOST likely occurring?

A.
A user has plugged in a personal access point at their desk to connect to the network
wirelessly.

B.
The company is currently experiencing an attack on their internal DNS servers.

C.
The company’s WEP encryption has been compromised and WPA2 needs to be implemented
instead.

D.
An attacker has installed an access point nearby in an attempt to capture company information.