This book covers the entire syllabus for B.E. Semester-V (Computer Engineering/ Computer Science & Engineering /Information Technology) issued by GTU in a clear and simple language.andSpecial Features·andandandandandandandandSubject matter is explained in simple English and ample number of diagrams is given for easy understanding·andandandandandandandandA set of review questions with answers are added at the end of each chapter·andandandandandandandandObjective, Summary and keywords related to particular chapter are given·andandandandandandandandA comprehensive index is included for quick and easy access to all the topics in the book, thus reducing the reader\'s valuable time in searching for a topic.ContentsChapter 1: IntroductionandChapter 2: The Physical LayerChapter 3: Data Link LayerandChapter 4: The Medium Access Control SublayerandChapter 5: The Network LayerandChapter 6: The Transport LayerChapter 7: The Application LayerIndexSample Question Papers