Build ing Secure Wireless Networks with 802.11 by Jahanzeb Khan, Anis Khwaja

By Jahanzeb Khan, Anis Khwaja

* presents a step by step procedure for making plans and imposing a instant LAN according to 802.11 instant constancy (Wi-Fi) technology
* Authors are wireless safety specialists who're capable of handle the firestorm of issues approximately defense for 802.11b networks
* deals a transparent viewpoint of interoperability with similar instant criteria like 802.11a, HomeRF, and Bluetooth
* Explains easy methods to in attaining an identical functionality as a stressed out Ethernet connection and carry flexibility and excessive velocity

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Networking Software In order to access a network, a user must install network software on his or her computer. The 26 network software includes the proper network protocols and the NIC drivers. A common example of the application software one might want to use would be a Web browser. A Web browser uses the network software to communicate with another computer and displays the results of the communication. The networking protocols identify the computer and the user on a network to another computer and user.

The cable has four pairs of wires inside the jacket. Each pair of wires is twisted with a different number of twists per inch to help eliminate interference from adjacent pairs and other electrical devices. 12: Twisted pair cable. The tighter the cable is twisted, the higher the supported transmission rate and the greater the cost per foot. The Electronic Industry Association/Telecommunication Industry Association (EIA/TIA) have established standards for unshielded twisted pair (UTP) cables. 1).

23 The physical layer is subdivided into the physical layer convergence procedure (PLCP) and the physical medium dependent (PMD). PLCP properly maps the MAC−specified data to the format that can be understood by the PMD layer and vice versa. The PMD layer provides the point−to−point communications between computers in the network. For example, on an Ethernet network, PMD on the network card communicates with PMDs of other network cards to establish communication between the computers. IEEE's subdivision has enabled both software and hardware vendors to develop solutions that interoperate with each other and are easier to implement.

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