CompTIA
N10-005 · 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.
Network security
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
(23 responses)- A91% (21)
- B4% (1)
- D4% (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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