If a network is not secure, how valuable is it? A guide to computer networks and cybersecurity, this book highlights the interconnections between the two to help you understand the complexities of designing secure modern networks. The book walks you through the fundamentals of networks, from an overview of Internet architecture through the protocol layers. It then delves into cybersecurity, covering both attack and defense techniques, and closes with a look at the emerging technologies that will alter the current state of multimedia communication and data center/cloud computing.