When customers of a Web site are unable to access it due to a bombardment of fake traffic,it is known as
A)a virus.
B)a Trojan horse.
C)cracking.
D)a denial-of-service attack.

Question

Quizplus · Accepted Answer

A denial-of-service (DoS) attack occurs when a website or network is flooded with traffic in order to make it unavailable to its intended users. This is usually done using botnets, which are networks of infected computers under the control of a hacker. The goal is to overwhelm the site's servers with too much traffic to handle, causing the site to crash or become unavailable to legitimate users.

When Customers of a Web Site Are Unable to Access