Professionals in the networking field often keep Engineering Journals in which they write down the things they observe and learn such as how to use protocols and commands. Keeping an Engineering Journal creates a reference you can use at work in your ICT job. Writing is one way to reinforce your learning – along with Reading, Seeing, and Practicing.

A sample entry for implementing a technology could include the necessary software commands, the purpose of the commands, command variables, and a topology diagram indicating the context for using the commands to configure the technology.