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Home Networking 101

Home Networking 101 . How to Set Up, Secure and Manage A Network. Why Network. Networking is all about sharing, and it allows your computers to connect to the Internet, talk to each other, and share resources like files and printers . What is A Computer Network.

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Home Networking 101

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  1. Home Networking 101 How to Set Up, Secure and Manage A Network

  2. Why Network • Networking is all about sharing, and it allows your computers to connect to the Internet, talk to each other, and share resources like files and printers

  3. What is A Computer Network • Communication system between 2 or more computers or other devices such as printers

  4. Benefits of Networking • Networking adds flexibility to the way you work with your computers and electronic devices. You can: • Share a high-speed, broadband cable or DSL Internet connection so everyone can surf the web simultaneously • Access your own private e-mail account while others cruise the web • Share all types of files, including music, digital pictures, and documents • Store your library of music, pictures, and files all in one place • View your digital pictures and listen to your music anywhere in the house • Enjoy multiplayer and head-to-head gaming with friends or family from any room in the house • Save money and time by sharing printers, scanners and other peripherals

  5. Network vs Networking • Network—Physical infrastructure, enables transmission of data—Hubs, repeaters, routers, cables, fiber optics and microwave dishes • Networking—Preparation of data for transmission and submission of data to the network, enabled by software

  6. LAN vs WAN • LAN—Local Area Network—Devices connected in a single office or building • WAN—2 or more interconnected LANs, geographically distant • The best example of a WAN is the Internet, which spans the entire world

  7. Wired vs Wireless • Wireless - communicates through radio waves • Wired - communicates through data cables (most commonly Ethernet-based)

  8. Advantages of Wireless • Mobility and freedom - work anywhere • No restriction of wires or a fixed connection • Quick, effortless installation • No cables to buy or install • Easy to expand

  9. Advantages of Wired • Relatively low cost • Offers the highest performance possible • Fast speed - standard Ethernet cable up to 100Mbps. • Faster speed - Gigabit Ethernet cable up to 1000Mbps. • Wired networks are best when you need to move large amounts of data at high speeds,

  10. Wireless Standards • Wireless-B (802.11b) Operates on the 2.4GHz frequency band and can transmit data at speeds of up to 11Mbps within a range of up to 100-150 feet. • Wireless-A (802.11a) – Operates at the frequency of 5 GHz, which is less crowded than 2.4GHz where telephones and microwaves may cause interference. Although the speed is up to 54Mbps, the range is only up to 75 feet. Wireless-A is incompatible with both Wireless-B and G because it operates at a different frequency. • Wireless-G (802.11g) – Features the same benefits as Wireless-B, but offers 5X the speed at up to 54Mbps. Wireless-G currently offers the best combination of performance and value. You can mix Wireless-B with Wireless-G equipment, but you will lose the higher performance speeds of Wireless-G. • Wireless-N (802.11n) - The next generation of high-speed wireless networking, capable of delivering the range and capacity to support today's most bandwidth-hungry applications like streaming high definition video, voice, and music. Wireless-N is based on MIMO (Multiple Input, Multiple Output) technology, which uses multiple radios to transmit multiple streams of data over multiple channels.

  11. Network Hardware • Router: This is considered the heart of your network and is the device that routes all the traffic to and from the Internet to the various computers on your network. • Modem: Connects your Internet service to your computer. Depending upon what type of broadband service you have, you will need either a DSL or cable modem. Or, you can purchase a gateway router which is an all-in-one solution that combines the functions of a router with a cable or DSL modem so that two separate devices are not required.

  12. Network Adapters: • For a desktop computer: PCI Adapter - connects inside your computer USB Adapter--plugs into a USB port on the outside of your computer • For a laptop computer: A PC (PCMCIA) Card--slides into a slot on your laptop computer USB Adaptor--plugs into a USB port on the outside of your computer **Most new computers come with built in devices (wired and/or wireless)

  13. To Expand Your Coverage • High Gain Antenna and Antenna Stands • Range Extenders or Access Points

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