Day 22. Ports and Protocols
CompTIA A+ 220-901 Exam Topics
Objective 2.4: Explain common TCP and UDP ports, protocols, and their purpose.
Key Topics
Today we will cover common TCP and UDP ports used for connecting a source to a destination. We will be looking at only a few of the most commonly used ports and protocols. We also will examine networking protocols and their purpose. Finally, we will compare TCP and UDP.
Common Ports
A port number is a logical address used by applications or processes that are network based. They are associated with TCP/IP network connections. A total of 65,535 ports are in use today. They are assigned by the ...
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