After analyzing network logs, you notice that a large amount of traffic is overwhelming your company's web server, causing legitimate users to be unable to access services. What type of threat is this, and what mitigation technique can help prevent it?
Denial-of-Service attack; mitigate by implementing rate limiting
Malware infection; mitigate by installing antivirus software
Brute-force attack; mitigate by using strong passwords
This scenario describes a Denial-of-Service (DoS) attack, where an attacker floods a server with excessive traffic to render it unavailable to legitimate users. Implementing rate limiting mitigates this threat by controlling the amount of traffic allowed to reach the server, preventing overload. Phishing attacks involve deceptive communication to trick users, which is unrelated here. Brute-force attacks involve repeatedly attempting to guess passwords, and malware infections involve malicious software—neither of which cause the server to be overwhelmed by traffic.
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Cisco CCNA 200-301
Security Fundamentals
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