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Computer Network Assignment Help

Computer Network Assignment Help

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INTRODUCTION:

We all know the concern of the Internet in our lives and society. It is simply Incalculable.

The simplest definition of Internet is that it is the largest network in the world but technically speaking the internet is actually a network of many smaller networks that exist all over the world.

WHAT IS A NETWORK?

A computer network is a group of interconnected computers so as to facilitate the sharing of resources and enhanced communications.

A computer network can have two or more connected computers.

As well as allocating hardware, a network allows computers or users to share software. Group communication also becomes much easier on a network.

TYPES OF NETWORK:

There are a number of different types of computer networks.

These networks can be characterized on the basis of their size and purpose as well.

Some of the computer networks based on the size are;

  • PERSONAL AREA NETWORK (PAN)
  • WIDE AREA NETWORK (WAN)
  • LOCAL AREA NETWORK (LAN)
  • METROPOLITAN AREA NETWORK (MAN)

As mentioned above networks based on the purpose.

Some networks however serve certain purpose. These are;

  • STORAGE AREA NETWORK (SAN)
  • ENTERPRISE PRIVATE NETWORK (EPN)
  • VIRTUAL PRIVATE NETWORK (VPN)
  • PERSONAL AREA NETWORK OR PAN;

A personal area network, or PAN, is a type of computer network organized around a single person within a single building. This could be inside an office or residential location. A typical PAN would include one or more than one computer, telephones, video game consoles, and other personal entertainment devices.

LOCAL AREA NETWORK OR LAN;

A local area network, or LAN, includes a computer network at a single site, Usually in an individual office building.

A LAN is very significant for sharing resources, such as data storage. LANs can be assembled with relatively inexpensive hardware, such as hubs, network adapters and Ethernet cables.

The smallest LAN may only include two computers, while larger LANs can be inclusive of thousands of computers. A LAN mostly relies on wired connections for increase speed and security, but wireless connections can also be initiated to be a part of LAN.

METROPOLITAN NETWORK AREA OR MAN;

A metropolitan area network, or MAN, includes of a computer network across an entire city, campus or a small region. A MAN is larger than a LAN, which is commonly restricted to a single building or site. Depending on the layout, this type of network can cover an area from few miles to tens of miles. A MAN is often used to connect several LANs together to form a better network. When this type of network is particularly designed for a college campus, it is therefore referred to as a campus area network, or CAN.

WIDE AREA NETWORK OR WAN;

A wide area network, or WAN, occupies a very huge area, such as a whole country or the entire world. A WAN can contain numerous smaller networks, such as LANs or MANs.

The Internet is the best-known example of a general WAN.

STORAGE AREA NETWORK OR SAN;

SAN is a high-speed specialist network that gives block level data storage and it moves storage files away from the network and secures them or places them in its own high-performance network.

ENTERPRISE PRIVATE NETWORK OR EPN

Enterprise private network, a single organization uses such type of network to connect different offices like production sites, shops and head office to share resources.

VIRTUAL PRIVATE NETWORK OR VPN;

VPN is a network which provides a safe and secure connection over a less assures network like the internet.

VPN is currently used by brand offices and remote users to gain access their resources or files

ADVANTAGES OF NETWORKING;

    • sharing devices such as printers helps in cutting cost.
    • sharing of files becomes easier.
    • Data can easily be backed up, as all of it is saved in the file server.
    • network users can interface via email or IM (instant messaging)

DISADVANTAGES OF NETWORKING;

  • Purchasing the network and cabling can turn out to be expensive.
  • setting up a large network can be hefty, requires a team of trained workers.
  • chances of viruses getting spread is high through the network.
  • Stakes of hacking emerges in large networks particularly in WIDE AREA NETWORK.
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