Networking Connecting Computing Devices 5

Specialized Home Networking Devices • Internet appliances provide easy access to Internet – Apple iPad • Digital picture frames • Security monitoring cameras 45 Configuring Software for Your Home Network • Once hardware is installed, you need to configure operating system software – Use special Windows tools – Configuring Mac OS X is quick and easy – Configuring Linux is most complex 46 Windows Configuration • Windows 7 automates setting up networks • Before running any wizards: – Make sure there are network adapters on each node – For any wired connections, plug all the cables into the router, nodes, and so on – Make sure your broadband modem is connected to your router and that the modem is connected to the Internet 47 Windows Configuration (cont.) – Turn on your equipment in the following order (allowing the modem and the router about one minute each to power up and configure): • Broadband modem • Router • All computers and peripherals (printers, scanners, etc.) 48 Windows Configuration (cont.) • Open Network and Sharing Center from Control Panel • With wired connection, you should be connected to home network automatically • With wireless connection, click on Connect to a network option – Enter security pass phrase to connect 49 Mac Configuration • Connecting Macs easier than with Windows • Set up security for router with SSID and passphrase • Network login screen appears with list of available networks • Enter password and click Join 50 Wireless Node Configuration and Testing • Know the SSID name of network and the security passphrase • Once devices are connected, check Internet connection speed • Sites on Internet allow you to test speed of downloading and uploading files • Run test at several different times 51 Troubleshooting Network Problems • Throughput decreases as device moves farther away from router • Obstacles decrease throughput • To increase throughput – Reposition node within same room – Move the device closer to the router – Adding a wireless range extender 52 Which of the following transfers packets of data between two or more networks? 1. Switches 2. Routers 0% 1 0% 2 Which features the fastest wireless data transfer rate? 1. 2. 3. 4. 802.11a 802.11b 802.11g 802.11n 0% 1 0% 2 0% 3 0% 4 _____ is the actual speed at which data is transferred on a network. 1. 2. 3. 4. Data transfer rate Throughput Transmission time Network transfer rate 0% 1 0% 2 0% 3 0% 4