INTRODUCTION
PROTOCOL LAYERING
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Question
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fourth layer
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session
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transport
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physical
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application
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Explanation:
Detailed explanation-1: -Layer 4 is the Transport layer. The transport layer creates virtual Transfer Control Protocol (TCP) or User Datagram Protocol (UDP) connections between network hosts. This layer sends and receives data to and from the applications running on its host.
Detailed explanation-2: -4 The TCP/IP Protocol Stack is made up of four primary layers: the Application, Transport, Network, and Link layers (Diagram 1). Each layer within the TCP/IP protocol suite has a specific function. When the layers of the model are combined and transmitted, communication between systems can occur.
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