Certified Incident Handler (ECIH v3) — Question 6

Identify the network security incident where intended authorized users are prevented from using system, network, or applications by flooding the network with high volume of traffic that consumes all existing network resources.

Answer options

• A. URL Manipulation
• B. XSS Attack
• C. SQL Injection
• D. Denial of Service Attack

Correct answer: D

Explanation

The correct answer is D, Denial of Service Attack, which specifically describes an incident where excessive traffic is generated to make services unavailable to legitimate users. Options A, B, and C refer to different types of attacks that exploit vulnerabilities in web applications or databases, rather than overwhelming network resources.