What is the transport-layer PDU commonly called in the TCP/IP model?

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Multiple Choice

What is the transport-layer PDU commonly called in the TCP/IP model?

Explanation:
PDUs are named by layer, and the transport layer’s PDU in TCP/IP is called a segment. The transport header carries port numbers and the control information used for reliability, ordering, and flow control—functions of TCP that define a transport-layer segment. Packets refer to the network layer unit, frames to the data-link layer unit, and data is just the payload, not a PDU name. So the segment is the best term for the transport-layer PDU.

PDUs are named by layer, and the transport layer’s PDU in TCP/IP is called a segment. The transport header carries port numbers and the control information used for reliability, ordering, and flow control—functions of TCP that define a transport-layer segment. Packets refer to the network layer unit, frames to the data-link layer unit, and data is just the payload, not a PDU name. So the segment is the best term for the transport-layer PDU.

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