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The number of layers in ISO OSI reference model is __________

The number of layers in ISO OSI reference model is __________

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asked Jul 23, 2021 in Computer Network by Adam (190k points)

The number of layers in ISO OSI reference model is __________

(a) 4

(b) 5

(c) 6

(d) 7

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This interesting question is from Reference Models topic in division Computer Networks Introduction of Computer Network

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1 Answer

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answered Jul 24, 2021 by Tyler (980k points)
selected Jul 25, 2021 by Adam

Best answer

Correct option is (d) 7

Explanation: In OSI reference model, there are 7 layers namely Application, Presentation, Session, Transport, Network, Data Link and Physical layer. Each layer uses a protocol to perform its designated function, for example, the data link layer uses error detection protocols for error control functions.

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