Synopsis Data Communication and Networking provides a comprehensive and current introduction to networking technologies. The book is accessible to students from all backgrounds and uses many figures to visually represent concepts. This text is for students wanting to understand the concepts and mechanisms underlying telecommunications and networking coming from a variety of academic and professional backgrounds. This book is written to introduce readers to the fundamental concept of communications systems, data systems, and networks, this book provides extensive coverage of a wide range of Data. Communications and telecommunications systems, basic data communications network and systems, local area networks, internetworks and the Internet including TCP/IP protocol suite.