INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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session
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transport
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network
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data link
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Detailed explanation-1: -The data link layer has two sublayers: the logical link control (LLC) sublayer and the media access control (MAC) sublayer.
Detailed explanation-2: -Layer 6, the Presentation Layer The functions of encryption and decryption are defined on this layer. It ensures that data is transferred in standardized formats by converting data formats into a format readable by the application layer. The following are the presentation layer protocols: XDR, TLS, SSL and MIME.
Detailed explanation-3: -The main functions of data link layer include framing, error detection and correction, acknowledgement, flow control, ensuring well-defined reliable service interface to the network layer, encapsulating packets from network layer to frames, etc.