Computer Networking from LANs to WANs: Hardware, Software by Jr. Kenneth C. Mansfield, James L. Antonakos

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

Designed for the newbie but beneficial for the specialist, computing device NETWORKING FROM LANS TO WANS: undefined, software program, AND safety presents complete insurance of all features of networking. This ebook comprises 24 chapters illustrating community and software program, community working structures, multimedia and the web, and laptop and community defense and forensics. Six appendices offer insurance of the heritage of the net, the ASCII code, the operation of MODEMs, pointers on changing into qualified in community, protection, and forensics, telecommunication applied sciences, and developing a working laptop or computer fix store. A spouse CD contains quite a few movies and documents that let the reader to accomplish vital hands-on networking, defense, and forensic actions.

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Machines from both groups can communicate with each other over the backbone as well, without significantly interfering with the other backbone traffic (because all machines in each group operate at 10 Mbps). The switches enforce hierarchy by learning where data packets should be forwarded (based on their destination addresses). Copyright 2009 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Network Access Points 29 Replacing a hub with a switch leads to better performance because the switch provides dedicated bandwidth, whereas a hub provides shared bandwidth.

His suggestions greatly enhanced our coverage and presentation. We deeply thank our reviewers, who provided many useful and constructive suggestions: Scott Dawson—Spokane Community College; Alan Dixon—Excelsior College; Dr. Dennis Foreman— Binghamton University; Gary Kohut—Broome Community College; Gary Rocco—Lockheed Martin Corporation; Richard Tuttle—Portland Community College; and Dora Zeimens—Mid-Plains Community College. About the Authors Kenneth C. Mansfield Jr. is a professor of Computer Studies at Broome Community College, where he has taught since 1997.

How many servers are used and what are their functions? 3. How many client computers or other devices are connected to the network? 4. What services are provided by the network (such as printing, file sharing, web access)? Case Project 1-2 Consider the following two scenarios: (1) two computers are connected to a LAN using a total of twenty feet of cable, and (2) two computers are connected over the Internet and are 8000 miles from each other. Now imagine that the two computers in each scenario need to exchange 1000 messages between themselves in order to transfer some information, such as a file.

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