Câu 47: 312-49V10: Computer Hacking Forensic Investigator

Michael works for Kimball Construction Company as senior security analyst. As part of yearly security audit, Michael scans his network for vulnerabilities. UsingNmap, Michael conducts XMAS scan and most of the ports scanned do not give a response. In what state are these ports?

1. A. Closed
2. B. Open — đáp án hiện tại
3. C. Stealth
4. D. Filtered