Download or read book Understanding Data Communications and Networks written by William A. Shay and published by Cengage Learning. This book was released on 2004 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thoroughly updated for currency, this book offers a clear presentation of data communications and network fundamentals. Featuring a wide array of applications, the book fully explains concepts and supports them with case studies or descriptions of specific software and other products. Students learn the protocols of analog and digital signals, data compression, data integrity, data security, local area networks, asynchronous transfer mode (ATM), and much more. The third edition includes important information on the latest developments of the Internet.