Which two features do CoPP and CPPr use to protect the control plane? (Choose two.)

A.
QoS

B.
traffic classification

C.
access lists

D.
policy maps

E.
class maps

F.
Cisco Express Forwarding

Explanation:
BD
For example, you can specify that management traffic, such as SSH/HTTPS/SSL and so on, can be
ratelimited (policed) down to a specific level or dropped completely.
Another way to think of this is as applying quality of service (QoS) to the valid management traffic and policing
to the bogus management traffic.
Source: Cisco Official Certification Guide, Table 10-3 Three Ways to Secure the Control Plane, p.269