What is used to provide read access to QoS configuration and statistics information on Cisco platfor

What is used to provide read access to QoS configuration and statistics information on Cisco platforms that support Modular QoS CLI (MQC)?

A.
Cisco NBAR Discovery

B.
Cisco AutoQoS

C.
Cisco Class-Based QoS MIB.

D.
Cisco SDM QoS Wizard

E.
CDP