Whataretwobenefitsofcontrolplanepolicing?()

A.protectionagainstdenialofservice（DoS）attacksatinfrastructureroutersandswitches

B.protectionagainstknownwormattacksinroutersandswitches

C.qualityofservice（QoS）controlforpacketsthataresourcedfromthedataplaneofCiscoroutersandswitches

D.qualityofservicecontrol（QoS）forpacketsthataredestinedtothecontrolplaneofCiscoroutersandswitches

E.qualityofservice（QoS）controlforpacketsthataredestinedtothedataplaneofCiscoroutersandswitches