CompTIA
JK0-019 · Question #263
Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?
The correct answer is A. 110. Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. POP3 server listens on well-known port 110.
Networking concepts
Question
Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?
Options
- A110
- B123
- C143
- D443
How the community answered
(33 responses)- A76% (25)
- B6% (2)
- C15% (5)
- D3% (1)
Explanation
Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. POP3 server listens on well-known port 110.
Topics
#POP3#port 110#email protocols#firewall ports
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