TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is a function of Layer 4 of the OSI model?
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to apply framing information to the packet, based on the attached media
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to describe the ordered delivery of data between source and destination
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to specify the packet type to be used by the communications
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to represent data to the user, including encoding and dialog control
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Explanation:
Detailed explanation-1: -4. Transport. The fourth layer of the OSI model ensures complete and reliable delivery of data packets. The transport layer provides mechanisms such as error control, flow control, and congestion control to keep track of the data packets, check for errors and duplication, and resend the information that fails delivery.
Detailed explanation-2: -Layer 4 – Transport The best known example of the Transport Layer is the Transmission Control Protocol (TCP), which is built on top of the Internet Protocol (IP), commonly known as TCP/IP. TCP and UDP port numbers work at Layer 4, while IP addresses work at Layer 3, the Network Layer.
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