Over the past few years, many fundamental changes have occurred in data, communication, and networking that will shape the future for decades to come. Updated with the latest advances in the field, Jerry FitzGerald, Alan Dennis and Alexandra Durcikova’s 12th Edition of Business Data Communications and Networking continues to provide the fundamental concepts and cutting-edge coverage of applications that students need to succeed in this dynamic field. Authors FitzGerald, Dennis and Durcikova have developed a foundation and balanced presentation from which new technologies and applications can be easily understood, evaluated, and compared.