Open System Interconnection (OSI) Model was Introduced in 1984. It has seven Layer which help computer to communicate with other computer over the Network. Its read from Top to bottom
7. Application Layer : It is responsible for message formatting like when we open internet explore we work on application layer
6. Presentation Layer:- It help to decrypt or encrypt the message or compression, decompression
5. Session Layer : It allows authentication or permission to make session restoration
4.Transport Layer:- End-to End Control error or make divide data into packets.
3.Network Layer :- It allows network addressing, ip addressing or routing , forward packets.
2.Data Link Layer : It detects error or flow control on physical link
1. Physical Layer : Physical medium (cable or Lan card) method of representing bit, like hubs, or physical cable.
7. Application Layer : It is responsible for message formatting like when we open internet explore we work on application layer
6. Presentation Layer:- It help to decrypt or encrypt the message or compression, decompression
5. Session Layer : It allows authentication or permission to make session restoration
4.Transport Layer:- End-to End Control error or make divide data into packets.
3.Network Layer :- It allows network addressing, ip addressing or routing , forward packets.
2.Data Link Layer : It detects error or flow control on physical link
1. Physical Layer : Physical medium (cable or Lan card) method of representing bit, like hubs, or physical cable.
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