Cisco Exam Questions

What is the prerequisite for configuring Cisco AutoQoS VoIP on a Cisco catalyst switch?

What is the prerequisite for configuring Cisco AutoQoS VoIP on a Cisco catalyst switch?

A.
Configure correct bandwidth on all interfaces.

B.
Configure Cisco Express Forwarding.

C.
Configure trust boundaries.

D.
Cisco Discovery Protocol version 2.

E.
Configure the mls qos global configuration command.