In Which of the Following Scenarios Is Self-Generated Traffic QoS

Multiple Choice

In which of the following scenarios is self-generated traffic QoS (sgt-QoS) useful?

A) EXP markings on transit control traffic are not set correctly.
B) The priority of all self-generated traffic needs to be lowered to allow all other traffic to take precedence.
C) The priority of various control packets requires special treatment throughout the network.
D) The BGP process is consuming too many CPU cycles and is impacting OSPF performance.