Question

In the POP3 protocol, what does the number “3” signify?

Options

• It represents three computers involved.

• It stands for the year 2003.

• It refers to three main servers used in email delivery.

• It indicates the third version of the Post Office Protocol.

Answer 1

It indicates the third version of the Post Office Protocol.

Explanation:

POP3 stands for Post Office Protocol version 3. The number “3” signifies that it is the third version of this specific protocol, which is a standard method used by email clients to retrieve messages from a mail server.