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Lab 1 Network

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wafaa towaiq

on 27 March 2014

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Transcript of Lab 1 Network

Networking
basics
Simply, more than one computer interconnected through a communication
medium for information interchange is called a computer network.
Network
LAN - Local Area Networks

MAN - Metropolitan Area Networks

WAN - Wide Area Networks
Types of computer networks
1- Network Interface Card (NIC)
Network Components
Network topology
1- Physical topology
the layout of cabling, the locations of nodes, and the interconnections between the nodes and the cabling.
2- Logical topology
- The way that the data passes through the network from one device to the next.
-The logical topologies are generally determined by network protocols.

1- shared media topology
2- token-based topology
2- Hub
3- Switch
4- Router
5-Modem
6- Ethernet cable
A NIC will allow a computer to send and receive electrical or radio signals in a manner that other computers can understand. Most modern computers come with Ethernet NICs installed by default.
In order to connect more than two computers together
A switch is a device that distributes packets, or blocks of data, between computers in a network
A router is a device that joins two different networks together.
A modem is a device that allows you to connect to your Internet service provider and browse the Internet.
To set up a wired network, Ethernet cables are needed that allow the transmission of data from one networked device to another.
Every Network includes:

-- At least two computers Server or Client workstation.

--Networking Interface Card's (NIC)

-- A connection medium, usually a wire or cable, although wireless communication between networked computers and peripherals is also possible.

-- Network Operating system software, such as Microsoft Windows NT or 2000, Novell NetWare, Unix and Linux.
7- Nodes
A node is anything that is connected to the network. While a node is typically a computer, it can also be something like a printer or CD-ROM tower.
Full transcript