CompTIA
JK0-801 · Question #989
Which of the following ports MUST be open on a firewall for TELNET to be used?
The correct answer is B. 23. See the full explanation below for the reasoning.
Question
Which of the following ports MUST be open on a firewall for TELNET to be used?
Options
- A21
- B23
- C53
- D110
How the community answered
(28 responses)- A7% (2)
- B75% (21)
- C14% (4)
- D4% (1)
Community Discussion
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