Understanding Data Communications and Networks
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.
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TRANSMISSION MEDIA AND CODES
ANALOG AND DIGITAL SIGNALS
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acknowledgment algorithm allows analog signal applications arrive bit rate bridge buffer bytes cable called cell channel Chapter character client collision communications compression congestion connection contains cost data frame data link data link layer decryption defines designed destination detection device discussed encoding encryption error Ethernet example field Figure flow control frame relay frequency function HDLC header host IEEE input interface Internet Internet Protocol IP address IPv4 IPv6 ISDN Mbps medium method modem modulation multicast multiplexer node number of bits optical fiber packet parity personal computer port problem protocol receiver remote request router routing table satellite script segment sender sends frames sent server socket specified standard stored Suppose switch synchronous telephone Telnet timer tion token ring topology transfer transmission transmitted typically virtual circuit window wire