A system administrator has a responsibility to maintain the security of the video teleconferencing
system. During a self-audit of the video teleconferencing room, the administrator notices that
speakers and microphones are hard-wired and wireless enabled. Which of the following security
concerns should the system administrator have about the existing technology in the room?

A.
Wired transmissions could be intercepted by remote users.

B.
Bluetooth speakers could cause RF emanation concerns.

C.
Bluetooth is an unsecure communication channel.

D.
Wireless transmission causes interference with the video signal.