Which PDU format is used when bits are received from the network medium by the NIC of a host?
- file
- frame
- packet
- segment
Answers Explanation & Hints: When received at the physical layer of a host, the bits are formatted into a frame at the data link layer. A packet is the PDU at the network layer. A segment is the PDU at the transport layer. A file is a data structure that may be used at the application layer.