COMPUTER NETWORKING

APPLICATION LAYER

INTRODUCTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What OSI layers are grouped into the TCP application layer?

A	Application layer
B	Session layer
C	Presentation layer
D	Transport layer
E	Internet layer

Explanation:

Detailed explanation-1: -OSI layers 5, 6, 7 are combined into one Application Layer in TCP/IP. OSI layers 1, 2 are combined into one Network Access Layer in TCP/IP – however TCP/IP does not take responsibility for sequencing and acknowledgement functions, leaving these to the underlying transport layer.

Detailed explanation-2: -Layer 6 of The OSI Model: Presentation Layer is the layer of the ISO Open Systems Interconnection (OSI) model that establishes context between application-layer entities, in which the higher-layer entities may use different syntax and semantics if the presentation service provides a mapping between them.

Detailed explanation-3: -4 The TCP/IP Protocol Stack is made up of four primary layers: the Application, Transport, Network, and Link layers (Diagram 1).

There is 1 question to complete.