Which option best describes a typical impact of a Denial-of-Service attack?

Which option best describes a typical impact of a Denial-of-Service attack?

• A. Exposes sensitive data
• B. Prevents legitimate use of resources
• C. Disrupts services
• D. Compromises authentication

Answer: (B)

The main idea here is what a Denial-of-Service attack aims to achieve: making a service unusable for its intended users by overwhelming its resources. That’s why the strongest description of the impact is preventing legitimate users from accessing the service or its resources. DoS attacks exhaust bandwidth, CPU, memory, or other resources so ordinary users can’t get through. While you might hear that DoS “disrupts services,” the precise, best-fit impact is the denial of access to those resources for legitimate users. The other options describe data exposure or authentication issues, which aren’t the primary goal of a typical DoS attack.

The main idea here is what a Denial-of-Service attack aims to achieve: making a service unusable for its intended users by overwhelming its resources. That’s why the strongest description of the impact is preventing legitimate users from accessing the service or its resources. DoS attacks exhaust bandwidth, CPU, memory, or other resources so ordinary users can’t get through. While you might hear that DoS “disrupts services,” the precise, best-fit impact is the denial of access to those resources for legitimate users. The other options describe data exposure or authentication issues, which aren’t the primary goal of a typical DoS attack.