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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

Home Networking 101

How to Set Up, Secure and Manage A Network

why 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
What is A Computer Network
  • Communication system between 2 or more computers or other devices such as printers
benefits of networking
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
network vs networking
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
lan vs wan
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
wired vs wireless
Wired vs Wireless
  • Wireless - communicates through radio waves
  • Wired - communicates through data cables (most commonly Ethernet-based)
advantages of wireless
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
advantages of wired
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,
wireless standards
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.
network hardware
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.
network adapters
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)

to expand your coverage
To Expand Your Coverage
  • High Gain Antenna and Antenna Stands
  • Range Extenders or Access Points