This book provides a holistic approach to networking fundamentals. It uses up-to-date information on new technologies with the evolution of wireless wide, local and personal area networks and the convergence of wireless and fixed internet access technologies. The book is divided into four parts: 1) elements of data communications, 2) wide area networks, 3) local, personal and metropolitan area networks, and 4) networked serviced and applications. * Comprehensive introduction to the fundamentals of wired and wireless technology and networking * Unique holistic approach covering wireless communication technologies, wired technologies and networking * Contains numerous illustrations, case studies and tables to supplement the text, as well as exercises with solutions at the end of each chapter * Emphasis on the physical layer and systems engineering aspects which has been the main thrust of all recent innovations in Networking technologies * Companion website with password protected solutions manual and other useful resources.