What of these services commonly use TCP port 25?
A) FTP (data)
B) POP3
C) SMTP
D) FTP (control)
E) Let’s run everything through tcp/25!
The answer: C) SMTP
The Simple Mail Transfer Protocol is used to transfer mail between mail systems, and it’s common to configure an SNMP location in a standalone mail client for outgoing mail.
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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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