A penetration tester runs a network scan but has some issues accurately enumerating the vulnerabilities due to the following error: OS identification failed - Which of the following is most likely causing this error?
- AThe scan did not reach the target because of a firewall block rule.
- BThe scanner database is out of date.
- CThe scan is reporting a false positive.
- DThe scan cannot gather one or more fingerprints from the target. (correct answer)
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The correct answer is D. Option D: The scan cannot gather one or more fingerprints from the target.