The number of layers in iso osi reference model a 5 b

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2. The number of layers in ISO OSI reference model a) 5b) 7c) 6d) None of the mentionedView AnswerAnswer: bExplanation: The seven layers in ISO OSI reference model is Application, Presentation, Session, Transport,Network, Data link and Physical layer. 3. This layer is an addition to OSI model when compared with TCP IP model a) Application layer b) Presentation layer c) Session layer d) Both Session and Presentation layer View Answer Answer: d Explanation: The only difference between OSI model and TCP/IP model is that in OSI model two layers namely Presentation and Session layer have been added.
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4. Application layer is implemented in 5. Transport layer is implemented in 6. The functionalities of presentation layer includes 7. Delimiting and synchronization of data exchange is provided by a) Application layerb) Session layerc) Transport layerd) Link layerView AnswerAnswer: bExplanation: The session layer provides the mechanism for opening, closing and managing a session between end-user application processes. The session layer 5 is responsible for establishing managing synchronizing and terminating sessions.
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8. In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is 9. In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is
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