Jeff Beasley is a professor in the Information and Communications Technology program at New Mexico State University where he teaches computer networking and many related topics. He is coauthor of Modern Electronic Communication 9th edition author of Networking 2nd edition and coauthor of Networking Essentials 4th edition and Practical Guide to Advanced Networking. Piyasat Nilkaew is the director of Telecommunications and Networking at New Mexico State University. He has more than 20 years of experience in network management and consulting. He has extensive expertise in deploying and integrating multi-protocol and multi-vendor data voice and video network solutions. He is coauthor of Networking Essentials 4th edition and Practical Guide to Advanced Networking. . Language: English