Computer NetworksNetworks are collections of computers, software, and hardware that are all connected to help their users work together. A network connects computers by means of cabling systems, specialized software, and devices that manage data traffic. A network enables users to share files and resources, such as printers, as well as send messages electronically (e-mail) to each other.
Computer networks fall into two main types: client/server networks and peer-to-peer networks. A client/server network uses one or more dedicated machines (the server) to share the files, printers, and applications. A peer-to-peer network allows any user to share files with any other user and doesn’t require a central, dedicated server.
The most common networks are Local Area Networks or LANs for short. A LAN connects computers within a single geographical location, such as one office building, office suite, or home. By contrast,Wide Area Networks (WANs) span different cities or even countries, using phone lines or satellite links.
Networks are often categorized in other ways, too. You can refer to a network by what sort of circuit boards the computers use to link to each other – Ethernet and Token-Ring are the most popular choices. You can also refer to a network by how it packages data for transmission across the cable, with terms such as TCP/IP (Transmission Control Protocol/Internet Protocol) and IPX/SPX (Internet Package eXchnage/Sequenced Package eXchange).
Steps to Setting-Up a Network.All networks go through roughly the same steps in terms of design, rollout, configuration, and management.
Designing Your NetworkPlan on the design phase to take anywhere from one to three working days, depending on how much help you have ad how big your network is.
Here are the key tasks:
Computer networks fall into two main types: client/server networks and peer-to-peer networks. A client/server network uses one or more dedicated machines (the server) to share the files, printers, and applications. A peer-to-peer network allows any user to share files with any other user and doesn’t require a central, dedicated server.
The most common networks are Local Area Networks or LANs for short. A LAN connects computers within a single geographical location, such as one office building, office suite, or home. By contrast,Wide Area Networks (WANs) span different cities or even countries, using phone lines or satellite links.
Networks are often categorized in other ways, too. You can refer to a network by what sort of circuit boards the computers use to link to each other – Ethernet and Token-Ring are the most popular choices. You can also refer to a network by how it packages data for transmission across the cable, with terms such as TCP/IP (Transmission Control Protocol/Internet Protocol) and IPX/SPX (Internet Package eXchnage/Sequenced Package eXchange).
Steps to Setting-Up a Network.All networks go through roughly the same steps in terms of design, rollout, configuration, and management.
Designing Your NetworkPlan on the design phase to take anywhere from one to three working days, depending on how much help you have ad how big your network is.
Here are the key tasks:
- Settle on a peer-to-peer network or a client/server network.
- Pick you network system software.
- Pick a network language.
- Figure out what hardware you need.
- Decide on what degree of information security you need.
- Choose software and hardware solutions to handle day-to-day management chores.
- Run and test network cables.
- Install the server or servers if you’re setting up a client/server network. (If you are setting up a peer-to-peer network, you typically don’t have to worry about any dedicated servers.)
- Set up the workstation hardware.
- Plug in and cable the Network Interface Cards (NICs – these connect the network to the LAN).
- Install the hub or hubs (if you are using twisted-pair cable).
- Install printers.
- Load up the server software (the NOS, or Network Operating System) if your network is a client/server type.
- Install the workstation software.
- Install modem hardware for remote dail-up (if you want the users to be able to dial into the network).
- Install the programs you want to run (application software).
- Creating network accounts for your users (names, passwords, and groups).
- Creating areas on shared disk drives for users to share data files.
- Creating areas on shared disk drives for users to share programs (unless everyone runs programs from their own computer).
- Setting up print queues (the software that lets users share networked printers).
- Installing network support on user workstations, so they can "talk" to your network.
Source link : http://tecschange.org/classic/networks/network-syllabus.html
Comment: Computer network has been given us many information and help us to do our work. But, you need to be careful when you using network.
Regard,
Ndah F
Comment: Computer network has been given us many information and help us to do our work. But, you need to be careful when you using network.
Regard,
Ndah F
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