Which of the following is not a true statement about viruses?

Which of the following is not a true statement about viruses?

A.
Exist in disguise usually through a common program or file

B.
Number one objective is to take up system resources

C.
Usually initiates after a user action, such as opening an attachment

D.
Requires a host application

Explanation:
Viruses require host applications to replicate. They commonly attempt to hide theirexistence, and are many times activated after a specific user activity. Althoughsome viruses are developed specifically to carry out a denial of service attack byusing up available resources, this is not the number one objective for all viruses.The number one objective is usually to spread itself from one host to another host and execute its payload.