Answer :

Transport layer access is the layer in the tcp/ip protocol stack in which the wan technologies operate.

What layer is the transport layer?

Positioned at Layer 4 of the Open Systems Interconnection (OSI) communications model, the transport layer ensures the reliable arrival of messages across a network and provides error-checking mechanisms and data flow controls.

What is transport layer transport layer function?

The basic function of the Transport layer is to accept data from the session layer, split it up into smaller units if need be, pass these to the Network layer, and ensure that all the pieces arrive correctly at the other end.

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