问题：

[多选] What are two benefits of control plane policing？（）

A . protection against denial of service （DoS） attacks at infrastructure routers and switches
B .  protection against known worm attacks in routers and switches
C . quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches
D . quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches
E . quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switche