What Was the Slammer Worm/Virus

Multiple Choice

What was the Slammer Worm/Virus?

A) It was a macro virus that spread by emailing the first 50 people in the victim's address book with the subject: Important message.
B) The first Internet worm that "slammed" the Internet,created by a graduate student at Cornell University in 1988.
C) Malware that exploited Microsoft SQL Server and spread across the world in just 10 minutes.
D) Malware that would "slam" shut your computer by not allowing you to log in.