— Exhibit — Click the Exhibit button. A new user’s Class 3 IP phone is connected to port
ge-0/0/7 on an EX Series switch; however, it is not working. Referring to the exhibit, what is
the cause?

A.
The guard-band is insufficient.

B.
The model of the EX Series switch being used supports PoE only on interfaces ge-0/0/0
through ge-0/0/6.

C.
The PoE port is set to class 0.

D.
The port has been shut down because the phone’s power requirements exceed the PoE
power budget for the switch.

Explanation: