CompTIA
SK0-004 · Question #608
SK0-004 Question #608: Real Exam Question with Answer & Explanation
The correct answer is A: telnet web1.example.com 25. See the full explanation below for the reasoning.
Question
A server administrator suspects that an unauthorized email relay agent is running on a web server. The web server has a hostname of web1.example.com and an IP address of 199.90.89.51. Which of the following commands should the server administrator execute to verify these suspicions?
Options
- Atelnet web1.example.com 25
- Btelnet web1.example.com 23
- Ctelnet 199.90.89.51
- Dtelnet 199.90.89.51 80
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