TCP/IP, or Transmission Control Protocol/Internet Protocol, is a suite of communication protocols used to interconnect network devices on the internet. Coursera's TCP/IP catalogue teaches you about the foundational technology that makes internet and intranet communication possible. You'll learn about the architecture, components, and operations of routers and networks, delve into IP addressing and subnetting, and understand how data is managed and transported in a network infrastructure. Enhance your network engineering skills by mastering concepts such as IP routing, DNS, DHCP, network troubleshooting, and much more.