Refer to the exhibit.

You have been asked to verify the network configuration that was performed by a colleague.
Which of the following conclusions would be accurate?

A.
The voice VLAN should always start with VLAN 1.

B.
The subnet mask for the network address should be class A instead of class C.

C.
The CME IP address should be in a different subnet to that of the IP phones.

D.
The CME IP address should be in the exclusion range.