In computer science, Denial-of-Service (DoS) attack refers to which of the following?
- A. An attack in which an attacker secretly intercepts and relays communication between two parties.
- B. An attack that overwhelms a system with traffic to make it unavailable to legitimate users. ✓
- C. A software flaw that is exploited by attackers before the vendor releases a fix.
- D. A social engineering attack that tricks users into revealing sensitive information through fake communications.
Correct answer
B. An attack that overwhelms a system with traffic to make it unavailable to legitimate users.
Explanation
Denial-of-Service (DoS) attack refers to an attack that overwhelms a system with traffic to make it unavailable to legitimate users.