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Which layer provides the services to user?

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Which layer provides the services to user?

(a) application layer

(b) session layer

(c) presentation layer

(d) physical layer

The question was asked during a job interview.

I'd like to ask this question from Reference Models topic in portion Computer Networks Introduction of Computer Network

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The correct answer is (a) application layer

The explanation: In networking, a user mainly interacts with application layer to create and send information to other computer or network. Application layer provides the interface between applications and the network. It is the top-most layer in both the TCP/IP and the OSI model.

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