This four-color, two-column textbook will provide an introduction to Internet client and server technologies through real-world case studies and step-by-step tutorials that will encourage students to learn by doing. Robust end-of-chapter review includes bulleted summaries organized by learning objectives, key term list, vocabulary quiz, 15 question multiple-choice test, five open-response questions, and several lab projects. Case studies, and step-by-step tutorials encourage students to learn by doing in real-world context. Online Learning Center (OLC) contains instructor and student resources.