CompTIA
XK0-004 · Question #443
XK0-004 Question #443: Real Exam Question with Answer & Explanation
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Question
A systems administrator needs to see if a mail server is listening on port 25. Which of the following is the BEST command for the administrator to run on the mail server to see if the port is listening for connections?
Options
- Anetatat -punta1 I grep 25
- Btelnet lecalhost -P 25
- Cps aux I grap 25
- Dnslookup localhost 25
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