<P><B></B> Written to introduce readers to the fundamental concepts of electronic communications systems, data systems, and networks, this book provides extensive coverage of a wide range of data communications and networking issues while offering preliminary information on basic electronic communications and telecommunications systems. <B></B> Topics explored include wireless and wireline telecommunications systems, basic data communications networks and systems, local area networks, internetworks, and the Internet including TCP/IP protocol suite. <B></B> For professionals with a career or interest in electronic communications, data communications, and/or networking, as well as ECT, EET, and CET technologists. </P>