What TCP port number does Post Office Protocol version 3 use?
A) tcp/80
B) tcp/21
C) tcp/25
D) tcp/110
E) If you use it on a wireless network, you can’t see any ports
The answer: D) tcp/110
The POP3 protocol is used to transfer mail from a mail server to your computer, and it commonly uses TCP port 110 to provide the POP3 service.
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Want to know more? Watch “Common Ports.”The fundamental languages used over our computer networks are a standard set of protocols that are used around the world. In this video, you’ll learn about protocols and the set of standards associated with TCP/IP. You’ll also learn the essentials of TCP/IP and how subnetting can be used to build today’s modern networks. |
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