This course provides a brief introduction to network architecture, discussing network components, devices, and tools. It also introduces you to the TCP/IP and OSI models of network communication and discusses the components of network layer communication. The course introduces network security, mechanisms to secure the network, and explains how it relates to ongoing security threats and vulnerabilities.

By the end of this course, you will be able to: - Describe the structure of different computer networks - Illustrate how data is sent and received over a network - Describe physical components of a network and network layer communication - Identify common network security measures and protocols - Understand how the TCP/IP model provides a framework for network communication