Question

Which of the following is not a characteristic of a virus?

(a) Virus destroy and modify user data

(b) Virus is a standalone program

(c) Virus is a code embedded in a legitimate program

(d) Virus cannot be detected

This question was addressed to me during an online interview.

This is a very interesting question from Security in chapter Security of Operating System

Answer 1

Right answer is (d) Virus cannot be detected

Easy explanation - Virus can be detected by having an antivirus program.