What is the best description of serialization delay？ （）

• A、the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface
• B、the time it takes for a propagate from source to destination
• C、the time it takes to place a frame on the physical medium for transport
• D、the time a packet resides in the outbound queue of a router