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A basic guide to networking.

Helpful topics on HTML, C++

Moderators: Jessica, Teachers

A basic guide to networking.

Post Number: #1  Postby Novack » June 8th, 2012, 4:14 pm

This is a guide on networking. Was going to leave this as an reply to the "The basics of networking and interlinking". After reading that post, I found many things wrong with it. I'll try to keep this as basic as I can so people can understand it. This guide will mostly cover home and small business users.

Network

A network consists of two or more computers that allows the sharing of resources. One of these resources are files.

Table of Contents.
1. Hardware
1a. Networking Hardware
1b. Cabling
1c. Servers
2. Software
2a. Server Operating Systems
2b. Server Software
3. The Internet
4. Network Types

1. Hardware

1a. Networking Hardware

There are all different hardware that allow users to connect to a network.

Hardware

Network Card: A network card (also known as an ethernet card) allows a computer to connect to a network. These cards can come in as PCI, PCIe, PCMCIA, or USB to connect to a computer. Most motherboards today have a built in network card. The port can be found by USB ports on the back of the case. Network cards come in different speeds. These speeds are 10Mbits, 100Mbits, or 1Gbits.

Wifi: WiFi is a wireless technology that allws computers to connect to a network without using a cable that is connect between the computer and the network.

Network Hub: A network hub is a network device that allows computers to be connected together. Not to be mixed up with a network switch or router. There is a difference between the two. Hubs can come with a different number of network ports. Hubs also allow all computers that are connected to it to communicate to each other. It makes no decisions about traffic direction, it doesn't inspect traffic quality or verify packet integrity. All network data it receives on one port will be immediately transmitted out all the other ports, so each computer must take it's turn before sending data. This is called half-duplex, it is very inefficient.

Network Switch: A network devices that is like a network hub, but is different. Switches actively look at the traffic it receives and based on the destination address it will direct that traffic only to the port needed. The switch listens to each port at the same time without any interference. A computer plugged directly into the switch will not receive unnecessary traffic and can transmit to the switch whenever it needs to, this leaves all the bandwidth available to each computer.

Modem: A modem is a network device that allows a computer to connect to an ISP network that will allow you to connect to the internet.

Wireless Router: A wireless router allows home and small business users to create a small network and connect to the internet if a modem (such as a dsl or cable modem) connected to the device. A wireless router normally comes with 4 network ports for connecting computers to it, a network port that is only used for modems, and built in WiFi.

1b. Cabling (Coming Soon)
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Novack
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