TCP/IP Assignment Help
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TCP/IP means Transmission Control Protocol and Internet Protocol. It is the network model that transmits the data from source to destination over network. It contains various set of rules that describe the movement of data between the source and destination or the internet.
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DIFFERENT LAYERS OF TCP/IP NETWORK ACCESS LAYER:Â Network Access Layer is the first layer of the four layer TCP/IP model. It is the combination of Data Link and Physical layers of the OSI reference model. It defines how data is sent through the network . Network Access layer uses a physical address to identify GlobalWebTutors.com hosts and to deliver data.
 INTERNET LAYER : Internet Layer is the second layer of the four layer TCP/IP model. The position of Internet layer is between Network Access Layer and Transport layer. This layer converts data into data packets . That data packets are called IP datagrams. It defines the protocols which are responsible for logical transmission of data over the entire network
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TRANSPORT LAYER :Â Transport Layer is the third layer of the four layer TCP/IP model. The position of the Transport layer is between Application layer and Internet layer. It is responsible for data transmission from source to destination. It has two protocols i.e TCP and UDP APPLICATION LAYER :Â Application layer is the top most layer of four layer TCP/IP model. Application layer defines TCP/IP application protocols and how host programs interface with Transport layer services to use the network. This Layer contains all the functionality of application, Presentation and session layer of OSI model.
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