Which statement is true about the net_cls cgroup subsystem?

A.
it controls the throughput limits for network packets.

B.
it dynamically sets the priority of network traffic per network interface.

C.
it enforces a limit on the number of opened sockets.

D.
it tags network packets with an identifier

Explanation:
Reference:https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html-single/Resourc^_Management_Guide/