Which of the Following Usually Happens in a Malicious Denial-Of-Service

Multiple Choice

Which of the following usually happens in a malicious denial-of-service attack?

A) a hacker monitoring and intercepts wireless traffic at will
B) a hacker floods a Web server with millions of bogus service requests
C) an intruder using another site's IP address to masquerade as that other site
D) a phisher pretending to be a legitimate company and requesting confidential data