4th Edition
Data Communications and Networking, 3/e provides a comprehensive and current introduction to networking technologies. The book is accessible to students from all backgrounds and uses hundreds of figures to visually represent concepts. The new edition has been completely updated to reflect the constantly changing world of network technologies. Enhanced coverage of bluetooth, wireless, satellites, as well as four new chapters on security have been added. The book has also improved its coverage of high speed access to the internet with more on DSL, Cable TV, and SONET. The third edition has transitioned from using the 7-layer OSI model to the 5-layer Int...