Unlike other books in the field, Business Data Communications provides IT specialists with a very focused approach that shows how the concepts are relevant to their work. Unique content is presented on topics ranging from multiplexing, signaling, CRC, and CIDR to supporting technologies, subnetting, and 802.11n and 802.16. Numerous lab exercises are integrated throughout the pages to demonstrate how the material is applied. It also includes a companion Web site that enhances each chapter with relevant, easy-to-read research articles that IT specialists will appreciate.