What Statement Is Correct About Network Protocols?
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What statement is correct about network protocols?
Answer: Network protocols are implemented in both hardware and software. The interaction among them happens with the protocol stacks in a different layer. The network instruments have nothing to do with the protocols. In the locals ans well the private network the protocols work in the message exchange between the sender and the receiver.
Network protocols are the rules, the structure which determines how the message is exchanged over a network. The network protocols are like the language which is understandable by both sender and receiver rather than their different infrastructure or designs.to thoroughly understand the network protocols you must know about the OSI model. It is the base of the internet and most of the protocols are based on this model.
The OSI model consists of 7 layers and the communication is based on two network devices. The task is allocated to these 7 layers. The layers are self-contained and work independently. The layers are split into two parts the upper part which contains layers 5,6 and 7 whose work is to deal with the application problems while the lower part contains 1,2,3, and 4 work with data transport. Let’s see the functionality of the OSI layers in the following:
Application layer: The application layer work is to transfer the files, job, etc
Presentation layer: Data compression, decompression, encoding, and decoding are done at this layer.
Session layer: Its work is to develop and remove the user sessions.
Transport layer: The message end-to-end delivery is the work of the transport layer. The error detection ad flow control is the work of this layer.
Network layer: The packets are routed based on the IP address and MAC address.
Datalink layer: Packet framing and detection of the error and correction is the function of a data link layer.
Physical layer: It acts as the interface between devices and the medium.