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protocols, Application layer, Contains all the programs that exhange data.…
protocols
- Transport layer (2nd layer)
- data in transport layer is broken up in packets. - it ensures that packets arrive in sequence without errors.
- Application layer ( 1st layer)
- contains all programs that exchange data - allows applications to access services used in other layers .
- Internet layer (3rd layer)
- identifies the intended network and host. delivers the data packets to the network
- identifies the network type of the packet
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Transport Layer
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DEF
Regulates the network connections where data is broken up into packets which are then sent ot the interent/ network layer
Ensures that packets arrive in sequence without errors, by swapping acknowledgements
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Contains all the programs that exhange data. It sends files to the transport layer and defines the protocols.
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is used to transfer large files, often used for organising files on a web server
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