Which of the following statements regarding routed and routing protocols are true?()
A、A routed protocol is assigned to an interface and determines the method of packet deliver.
B、A routing protocol determines the path of a packet through a network.
C、A routed protocol determines the path of a packet through a network.
D、A routing protocol operates at the transport layer of the OSI model.
E、A routed protocol updates the routing table of a router.