This Is The Only Book That Covers The Full Range Of Data And Computer Communications, From The Physical Layer Details Of Transmission Media And Signaling Up To And Including The Most Popular Internet Application Protocols, Including Electronic Mail (SMTP/MIME) And The World Wide Web (HTTP). No Previous Background In Data Communications Is Assumed For This Book, Which Is Designed For Courses In Data Communications And Data Networks In Computer Science Departments, And Computer Networks Courses In Electrical Engineering.