An attempt to make a computer resource unavailable to its intended users is called ______

A. Denial-of-service attack

B. Virus attack
C. Worms attack
D. Botnet process

Explanation: In a Denial of Service attack, the attacker won’t let the victims access the network by using a certain method that ensures that an essential network resource is unavailable to the victim. The methods that the attacker can use are vulnerability attack, bandwidth flooding and connection flooding.

Occurrence: 0, System Administrator 2026