Regarding the description of vulnerability scanning, which of the following is incorrect?

Regarding the description of vulnerability scanning, which of the following is incorrect?
A . Vulnerability scanning is a network-based technology that remotely monitors the security performance vulnerabilities of a target network or host. It can be used to conduct simulated attack experiments and security audits.
B . Vulnerability scanning is used to detect whether there are vulnerabilities in the target host system. Generally, it scans the target host for specific vulnerabilities.
C . Vulnerability scanning is a passive prevention measure that can effectively avoid hacker attacks.
D . Vulnerability scanning can be performed based on the results of ping scan and port scan

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Answer: C