Computer Networks is a core subject which explains how a computer connects with other computers. TCP/IP protocol suite is the basis on which computer connectivity can be achieved. The book “Introduction to Computer networks 2nd edition” has been written for MCA 2nd year students of Abdul Kalam Technical University. The book has been written according to the syllabus of the subject Computer Networks and concepts have been explained well through the help of examples and diagrams. The book contains Introduction to Computer Networks, its types and topologies, the Application Layer and its different protocols, the Transport Layer Protocols, flow control and congestion control, the Network Layer, IPv4 and IPv6 with addressing the Data Link Layer and its protocols, the Physical Layer. Also solved numerical problems are included at the end so that students can comprehend the concepts well. The book will be beneficial to students of other universities as well who are studying this subject. This book is the second edition of “Introduction to Computer Networks” book which has appended a broader range of topics to its first edition.
Archana Verma is a highly qualified professional working as an Assistant Professor in the Department of Computer Applications in Noida Institute of Engineering and Technology, Greater Noida, an Autonomous Institute. She has taught a variety of subjects to B.Tech, M.Tech and MCA students for last 22 years. She worked as a software developer in Tata Consultancy Services, Delhi for 6 years prior to that. She obtained Master of Information Science Degree in June 1995 from University of New South Wales, Canberra, Australia. MCA from Maharishi Dayanand University, Rohtak in June 2004 and M.Tech (Computer Science Engineering) from Amity University, Noida in June 2013. She bagged Merit Scholarship award twice while pursuing her MTech. She received Best Teacher Award in the department of Information Technology in 2009. She has written five books, “Unix and Shell Programming”, “Bioinformatics”, “Database Management Systems”, “Operating Systems” and “Introduction to Computer Networks”.She has also written a couple of Research Papers and a Book chapter. She is a dedicated teacher and loves her profession. She likes to share her knowledge with students through writing books.