Câu 30: H12-725-V4-0: HCIP-Security V4.0

Which of the following statements is false about HTTP flood attack defense?

1. A. If the free proxy used during the attack supports the redirection function, the defense in basic mode becomes invalid. — đáp án hiện tại
2. B. Defense in basic mode cannot effectively prevent access from non-browser clients.
3. C. Defense in enhanced mode allows users to enter verification codes to determine whether HTTP access is initiated by real users.
4. D. Source authentication is the most commonly used method to defend against HTTP flood attacks. This method is applicable when the client uses a browser to access the HTTP server.