Computers Are Your FutureSlide 2Home NetworksSlide 4Home Ethernet NetworksSlide 6Slide 7Home Phone-line NetworksSlide 9Home Power-line NetworksSlide 11Wireless Home NetworksHome Radio-frequency NetworksSlide 14Home WiFi NetworksPlanningConfigurationMaintenance and SupportThe Future of Home NetworkingComputers Are Your Future© 2006 Prentice-Hall, Inc.© 2006 Prentice-Hall, Inc Slide 2Computers Are Your Future Spotlight 3Computers Are Your FutureSpotlight 3Home Networks© 2006 Prentice-Hall, Inc Slide 3Computers Are Your Future Spotlight 3Home Networks2/3 of all households own a computer20 Million have more than one computerMulti-computer households:Can share dataCan share scanners and printersCan share a single Internet connection© 2006 Prentice-Hall, Inc Slide 4Computers Are Your Future Spotlight 3Home NetworksA home network enables users to quickly and conveniently share files and resources using network connections between computers and peripheral devices© 2006 Prentice-Hall, Inc Slide 5Computers Are Your Future Spotlight 3Home Ethernet NetworksEthernet is a communications standard that specifies how physically connected computers in a network send dataSend data in packets, over wiresMost popular wiring is twisted pairCAT-3CAT-5© 2006 Prentice-Hall, Inc Slide 6Computers Are Your Future Spotlight 3Home Ethernet NetworksA hub is an external communications device with multiple connectors (ports)Ethernet network adaptor or home interface card (NIC) is an internal communications device that uses electrical signals to communicate© 2006 Prentice-Hall, Inc Slide 7Computers Are Your Future Spotlight 3Home Ethernet NetworksA switch is like a hub, but more efficientA switch knows about all computers connected to it and transmits data only to the computer to which the data is addressed© 2006 Prentice-Hall, Inc Slide 8Computers Are Your Future Spotlight 3Home Phone-line NetworksUse a home’s existing telephone wiringSimple installationReliabilityCompatible with other home networking technologiesWorks with all computer makes and models© 2006 Prentice-Hall, Inc Slide 9Computers Are Your Future Spotlight 3Home Phone-line NetworksDisadvantagesSpecial hardware/software may be neededMay need to install home phone-line NICMay need to run new phone wiring© 2006 Prentice-Hall, Inc Slide 10Computers Are Your Future Spotlight 3Home Power-line NetworksUses existing electrical wiringInexpensive and easy to installPeripheral can be located anywhere© 2006 Prentice-Hall, Inc Slide 11Computers Are Your Future Spotlight 3Home Power-line NetworksDisadvantagesNeed 110-volt electrical wiringTakes up a lot of spaceConnection speeds are slow© 2006 Prentice-Hall, Inc Slide 12Computers Are Your Future Spotlight 3Wireless Home NetworksHomeRFWi-FiThree factors to determine which typeCost of hardware/softwareSpeed of dataRange within which you can transmit between devices© 2006 Prentice-Hall, Inc Slide 13Computers Are Your Future Spotlight 3Home Radio-frequency NetworksWireless networks in which each computer on the network broadcasts its information to another using radio signalsNetwork access points send and receive data between computers© 2006 Prentice-Hall, Inc Slide 14Computers Are Your Future Spotlight 3Home Radio-frequency NetworksPeer-to-peer relationship exists among all computers in the network.Three standards:802.11b802.11a802.11g© 2006 Prentice-Hall, Inc Slide 15Computers Are Your Future Spotlight 3Home WiFi NetworksAd hocNo access point or serverWireless data exchange cardsClient/server2.4 GHzRecommended for Macs© 2006 Prentice-Hall, Inc Slide 16Computers Are Your Future Spotlight 3PlanningWhat are you trying to accomplish with your network?Small business or personal use?One computer or many?Hardware in one room or many?What wiring technology will I use?What hardware/software do I need to buy?© 2006 Prentice-Hall, Inc Slide 17Computers Are Your Future Spotlight 3ConfigurationDesignate PC’s that will be part of the networkInstalling hardware and softwareDesignate how files, folders, peripherals, and Internet connection will be shared© 2006 Prentice-Hall, Inc Slide 18Computers Are Your Future Spotlight 3Maintenance and SupportSet up a regular maintenance scheduleClean dust and lint from around routerClean contacts on network cardsRefresh network settings© 2006 Prentice-Hall, Inc Slide 19Computers Are Your Future Spotlight 3The Future of Home NetworkingConvergenceUsing home networks to control appliancesHome securityCentral control