Technology

OSI model

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One computer is the main purpose of communicating with another computer. It seems that both computers are located in different locations and these two computers want to communicate. Then, when a computer sends the data, the data will be sent to the destinition computer through many media. Some changes have been made so that the data is not a problem at the time of going to the destination from the source, so that it can return the error freely. These rules are called Protocols. And the model that is made up of these protocols is called the model OSI model. This model determines the ISO .
Layers of:
Application
Presentation
Session
Transport
Network
Datalink
Physical
Signals in the physical layer are transferred to the bits in a bit of bits, these bits are transformed into a datelining layer frame and since the frames pass through the router, the frames are transformed into a packet. Now let's see how these packets can be made in connection oriented condition or in conjunction with the Transport Layer. After making the decision on the Transport Layer, the Segment will be transferred to any mode (Simplax, Half Duplex, Flower Duplex). Presentation Layer determines whether these data will be present in the format (.jpg, .mpeg etc). Finally, the application layer by creating the interface with the user

Often a question comes with the application layer or network layer OSI model which can be easily remembered to remember this sentence.
A ll people s eem to n eed d ata processing
Here
P = Presentation layer
A = Application layer
S = Session layer
T = Transport layer
N = Network layer
d = Data link layer
P = Physical layer
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