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Nt1310 Unit 1 Network Research Papers

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Network protocols

In this essay I will explain the functionalities of different types of protocols, what are they? why are they used? And how networks benefit from them, also on how layers work in the OSI model. I will also explain on how layers work with protocols and how they function together.

OSI Model/layers
OSI model has been created to understand on how one computer can get to one network,connected which is connected by using cables or wirelessly to another computer.

OSI model has 7 represented layers on the model, the first layer which is the application layer which represents - application as mail,web and file transfers which can also work with telnet.

Layer 6 is the presentation layer, where encryption,decryption and …show more content…
If one file is down then all the rest of the computers are unable to open the file too.

Webopedia.com, (2015). What is Local-Area Network (LAN)? A Webopedia Definition. [online] Available at: http://www.webopedia.com/TERM/L/local_area_network_LAN.html [Accessed 2 Dec. 2015].

WAN

WAN which stands for, Wide area Network. A wide area network, the benefit of WAN it is not link to individual computers. WAN provides communication for a wider area, which means computers which are further away from each other. You could relate to have a building of 2 two different floors.

Hardware

Switch
NIC
(NIC) which is a Network interface card, which is part of a Local Area Network, the NIC prepares data for transmission. Each NIC has a physical address which identifies to the LAN network. It consist of a physical port and an interface. The physical port is known as an outlet, it is connected to a host or another network device. The physical port allows connection to a network. The interface, it allows two different network to communicate between each other. The NIC interface card works with an ethernet cable, NIC does not just operate in the physical layer, it performs intermediary functions preparing data for transmission and encoding data signals which will be associated to

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