CompTIA Exam Questions

Which of the following allows the phone to power on when the network administrator enables its switc

A network administrator has installed and connected a new VoIP phone to a network jack. The
phone is currently powered off. Which of the following allows the phone to power on when the
network administrator enables its switch port?

A.
SIP

B.
Plain Old Telephone Service (POTS)

C.
QoS

D.
PoE