Recently, your company's file server was the victim of a hacker attack. After researching the attack, you discover that multiple computers were used to implement the attack, which eventually caused the file server to overload. Which attack occurred

Denial of Service attack

Explanation:

Denial of service is a type of attack on computer systems in which a particular system is targeted and flooded with traffic from multiple systems, thus causing an overload of the attacked system, and an eventual crash. The aim of the perpetrators of this attack is to prevent the rightful owners of the system from gaining access to it.

The above described attack is a Denial of service attack because;

1. the attack came from multiple computers

2. the attacked server experienced an overload most likely caused because it was overwhelmed with traffic.