By Jr. Kenneth C. Mansfield, James L. Antonakos

Designed for the newbie but precious for the specialist, machine NETWORKING FROM LANS TO WANS: undefined, software program, AND protection presents entire assurance of all features of networking. This booklet comprises 24 chapters illustrating community and software program, community working structures, multimedia and the web, and machine and community protection and forensics. Six appendices supply assurance of the background of the web, the ASCII code, the operation of MODEMs, tips about changing into qualified in community, safety, and forensics, telecommunication applied sciences, and developing a working laptop or computer fix store. A better half CD comprises a variety of movies and records that let the reader to accomplish very important hands-on networking, safety, and forensic actions.

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Nodes on different logical subnets cannot talk to each other without the use of a router, so using subnets allows the network designer to manage network traffic in a straightforward manner. In a large network such as an industrial network containing several thousand computers, subnetting plays an important role in address management. When combined with the traffic management features offered by VLANs and the network hierarchy provided by switches, the network technician has a great deal of control over the operation and performance of the network.

As the bit rate increases, the time allowed for each bit decreases, and vice versa. Each device connected to the 10base2 Ethernet must contain a transceiver that provides the electronic connection between the device and the coaxial cable commonly used to connect nodes. The transceiver converts the digital data to signals that can be used over the cable. Figure 1-5 shows a typical Ethernet installation. The eleven devices on the Ethernet are grouped into three segments. Each segment consists of a coaxial cable with a tap for each device.

Although some modern networking components can be expensive, the projects’ aim is to use widely available and moderately priced hardware and software. The following section lists the minimum hardware and software requirements that allow you to complete all the Hands-On Projects and Case Projects in this book. In addition to the following requirements, students must have Administrator privileges on their workstations and, for some exercises, on the class server, to successfully complete the project.

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