COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK PROTOCOLS AND STANDARDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The OSI model consists of ____layers
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3
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5
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7
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8
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Explanation:
Detailed explanation-1: -The OSI model has seven layers, as shown in Table 5.1. The layers may be listed in top-to-bottom or bottom-to-top order. Using the latter, they are Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Detailed explanation-2: -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.
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