Present world is based on area of network technology. This technology enhanced and new techniques developed and used frequently. Student who wants to learn basics of networking this book helps them. Before inventing new technique students must learn and understand old techniques. This book covers basic of communication or Networking. Most topics covered point wise student can learn and remember easily.

Ravi Kant Vyas, Working as a Lecturer in computer Engineering in Technical Education Department, Government of Rajasthan and He is post graduate in Computer Science.