What Is a Denial-Of-Service Attack

Multiple Choice

What is a denial-of-service attack?

A) A hacker tracks customer transactions and steals customer payments or redirect goods to a different shipping address.
B) A hacker uses the e-commerce client application to access the enterprise's financial system for fraudulent purposes.
C) A hacker overloads the enterprise's bandwidth, effectively shutting down the Web site.
D) A hacker defaces a company's Web site.