10 Wireless Networking

How to determine if you have a wireless network adapterBefore using your computer, check to see if it already has a wireless network adapter.To find out whether you already have a wireless network adapterClick Start, and then click Control Panel.Click Network and Internet Connections.Under or pick a Control Panel icon, click Network Connections.Microsoft Windows XP displays...

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09 Routing new

The router is connected to at least two networks and decides which way to send each information packet based on its current understanding of the state of the networks it is connected to. A router is located at any gateway(where one network meets another), including each point-of-presence on the Internet. A router is often included as part of a network switch. A router may create or maintain a table of the available routes...

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08 Network Devices new

HUB Networks using a Star topology require a central point for the devices to connect. Originally this device was called a concentrator since it consolidated the cable runs from all network devices. The basic form of concentrator is the hub.   As shown in Figure; the hub is a hardware device that contains multiple, independent ports that match the cable type of...

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TCP/IP Protocol

What is TCP/IP? TCP/IP stands for Transmission Control Protocol / Internet Protocol. It defines how electronic devices (like computers) should be connected over the Internet, and how data should be transmitted between them. TCP - Transmission Control Protocol TCP is responsible for breaking data down into small packets before they can be set over a network, and for assembling the packets again when they arrive. IP - Internet Protocol IP...

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06 TCP IP

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6. TCP/IP Protocol

TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet. It can also be used as a communications protocol in a private network (either an intranetor an extranet). When you are set up with direct access to the Internet, your computer is provided with a copy of the TCP/IP program just as every...

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05. OSI Model

OSI (Open Systems Interconnection) is reference model for how applications can communicate over a network. A reference model is a conceptual framework for understanding relationships. The purpose of the OSI reference model is to guide vendors and developers so the digital communication products and software programs they create willinteroperate, and to facilitate clear...

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