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Question

Read the below passage and answer the questions The Open Systems Interconnect (OSI) model is a conceptual framework that describes networking or telecommunications systems as seven layers, each with its own function. The layers help network pros visualize what is going on within their networks and can help network managers narrow down problems (is it a physical issue or something with the application?), as well as computer programmers (when developing an application, which other layers does it need to work with?). Tech vendors selling new products will often refer to the OSI model to help customers understand which layer their products work with or whether it works “across the stack”. Every layer as set of responsibility  and encryption and decryption of data for secure transmission; this happens at ______________(16)

Which is best fit for blank space 16?

A Presentation Layer Correct Answer Incorrect Answer
B Application layer Correct Answer Incorrect Answer
C Session layer Correct Answer Incorrect Answer
D Data Link layer Correct Answer Incorrect Answer
E Network Layer Correct Answer Incorrect Answer

Solution

The Presentation Layer represents the area that is independent of data representation at the application layer. In general, it represents the preparation or translation of application format to network format, or from network formatting to application format. In other words, the layer “presents” data for the application or the network. A good example of this is encryption and decryption of data for secure transmission; this happens at Layer 6.

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