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Networks

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What is a Computer Network?What is a Computer Network?A group of computers and/or devices

connected together

Types of NetworksTypes of NetworksLANWAN

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Configuration of NetworksConfiguration of Networks

Hard-wired (Ethernet)– TCP/IP is the only protocol you need to worry about– Protocols are the agreed-upon ways that computers exchange

information. A protocol can be thought of a set of rules that keeps everything flowing correctly. A set of stop lights represents a traffic protocol that helps avoid collisions.

– TCP/IP stands for Transmission Control Protocol/Internet Protocol. It is the protocol of the Internet.

Wireless (Wi-Fi)– Wireless router and access point– Radio signals (2.4 GHZ or 5 GHZ)

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ConnectionsConnectionsDSL (Digital Subscriber Line)Cable ModemModemsT1,T3 A T3 line is an assembly or group of

T1 lines. Each T3 line consists of 28 T1 lines. Signaling speed of each T1 line is 1.544 MBPS that makes a T3 line of 45 MBPS (28 x 1.544 MBPS)

Wi-Fi

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Advantages of NetworkingAdvantages of NetworkingSharing Internet accessSharing devices (printers, CDROMs)Sharing folders and filesGame playing

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Disadvantages of NetworkingDisadvantages of NetworkingSecuritySpread virusesGame playing

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Network SpeedsNetwork Speeds

Modem: 56.6kbpsBroadband: VariesResidential High Speed Internet Packages:Download Upload Monthly Price2MB 256K $29.953MB 256K $39.954MB 512K $49.95

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What Equipment is Needed?What Equipment is Needed? Network adapter w/ driver disk Hub, or switch, or router Network cable

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Networking – The Big PictureNetworking – The Big PicturePrepare your ComputerInstall Network CardInstall Drivers & Related SoftwareConfigure Networking Software

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Configure for LAN AccessConfigure for LAN AccessGo into the Network Neighborhood

properties

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Configure for LAN Access cont’dConfigure for LAN Access cont’d On the Identification tab, configure the name of the

computer (compxx) and the name of the workgroup (acse)

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Configure for LAN Access cont’dConfigure for LAN Access cont’dConfigure for File and/or Printer Sharing

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Last Thoughts…Last Thoughts…

Take advantage of the ability to share network resources (folders, printers, devices)

Think about network security