What kind of attack is a type of security breach to a computer system that does not usually result in the theft of information or other security loss but the lack of legitimate use of that system?

A.
CRL

B.
DOS

C.
ACL

D.
MD2

Explanation:
DOS attacks prevent access to resources by users authorized to use those resources. An attacker may attempt to bring down an e-commerce website to prevent or deny usage by legitimate customers.
Reference: Security + (SYBEX) page 53