Chapter 1: Data Communications: An Introduction Chapter 2: Local Area Networks: An Introduction Chapter 3: Local Area Networks: Topologies and Architectures Chapter 4: Local Area Networks: Connectivity Chapter 5: Network Operating Systems Chapter 6: Data Storage and Storage Networks Chapter 7: Voice Networks Chapter 8: Wide Area Networks Chapter 9: Network Security Chapter 10: The Internet Appendix A: A Brief History of Data Communications and Computer Networks |