This chapter covers the following topics from the official CompTIA Network+ blueprint:
- Identify common TCP and UDP default ports
- Explain the function of common networking protocols
- Summarize DNS concepts and its components
We will analyze some of the most common Application Layer services that a network engineer will encounter on a daily basis, as well as learn the well-known default ports assigned to those application services. The objectives are to identify common TCP and UDP protocols, analyze their functionality, and learn the most common port numbers. The information presented in this . . .
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