Question 630 – Computer-Networks

A protocol data unit (PDU) is a single unit of information transmitted among peer entities of a computer network.
A PDU is composed of protocol specific control information and user data
Protocol data units for the Internet protocol suite are:
The transport layer PDU is the TCP segment for
→TCP, and the datagram for UDP.
→The Internet layer PDU is the packet.
→The link layer PDU is the frame.