Today's computing devices are always connected to a network. While increasing productivity, this also increases the risk of malicious activity. This course, Network Fundamentals and Protocols, begins by introducing you to network topologies and network equipment. Subsequently, you will learn about IPv4 and IPv6 addressing and protocols. Lastly, you will be introduced to the layers of computer network defense and secure network design. After finishing this course, you'll have an understanding of network hardware and software, and you'll be able to gain insights from captured network traffic.