A company wants to implement a VLAN. Senior management believes that a VLAN will be secure
because authentication is accomplished by MAC addressing and that dynamic trunking protocol
(DTP) will facilitate network efficiency. Which of the following issues should be discussed with
senior management before VLAN implementation?

A.
MAC addresses are a secure authentication mechanism and DTP allows rogue network
devices to configure ports.

B.
MAC addresses can be spoofed and DTP allows rogue network devices to configure ports

C.
MAC addresses are a secure authentication mechanism and DTP allows only authenticated
users.

D.
MAC addresses can be spoofed and DTP allows only authenticated users.