• Access point
• Ad-hoc mode
• Bluetooth
• Broadband modem
• Data packet
• Firewall
• Gateway
• Hub
• Infrastructure mode
• Internet connection sharing (ICS)
• LAN (Local Area Network)
• NAT (Network Address Translation)
• Network adapter
• MAC (Media Access Control) address
• TCP/IP (Transmission Control Protocol/ Internet Protocol)

This hardware device allows wireless network cards to connect to a wired network . A access point has a wired component (Ethernet port) and a wireless component (a radio that allows wireless network adapters to connect to the network ).

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Wireless networks typically work in one of two configurations (sometimes called topologies): ad-hoc or infrastructure. The topology or mode you choose depends on whether you want your PCs to communicate directly or with an access point . In ad-hoc mode data in the network is transferred directly to and from wireless network adapters connected to PCs. A ad-hoc network is also called a peer-to-peer network .

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A technology used to transfer data wirelessly . Bluetooth is found in PDA's and cell phones and can be used to transfer data to laptop and desktop computers and printers . Like 802.11b networking equipment , Bluetooth operates in the 2.4GHZ band , does not require line of sight between components , and can pass through walls .

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Unlike a 56-kb per second modem which sends and receives data over analog phone lines , a broadband modem sends a digital signal over your telephone or TV cable wiring , depending on whether you use a DSL or cable modem .

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Data is transmitted over networks in pieces , called data packets. The data packet contains the data being sent as well as the address of the sender and recipient.

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A firewall on your network puts a layer of protection between you and a hacker. Firewalls can be software you install on a computer, or they can be built into a router , or used as a standalone firewall hardware device. Whether you decide to install software or hardware , a firewall will help keep outsiders from accessing your network .

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Hardware or software that allows multiple computers to access the internet . In most cases , on a LAN , your gateway is a router. Your gateway could also be a single computer sharing its internet connection with the other computers on the network.

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This hardware device is used to connect multiple wired elements of your network , including computers or routers, to your network. A hub has ports , usually four or more , into which you can plug network cables. A access point works a bit like a wireless hub , and connects a wireless network to a wired network.

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You can increase the range of your wireless network by adding a access point . Wireless networks that use a access point are operating in infrastructure mode rather than ad-hoc mode , where the network adapters communicate directly with each other.

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A windows feature bundled with operating systems Windows 98SE and later . The utility allows one of your computers to act as a router , sharing its internet connection with other computers in your network.

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A network of computers in one location , usually a home or office.

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A feature that allows you to share one IP address provided to you by your Internet Service Provider (ISP) for each computer on your network so that they can access the internet.

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Also called a network adapter card or Network Interface Card (NIC) , this is a card installed in your computer that is used to connect the computer to a network.

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Each network adapter has its own unique serial number called a MAC address . (You can see the MAC address of NIC's installed in your computer by clicking RUN , typing cmd , then OK . In the new window type ipconfig/all).

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The common language, or protocol , spoken by all computers on the internet . On your home network , TCP/IP can be used both to access the internet and to transfer files and share printers.

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