- A worm is a parasite. False
ANS: worm is a standalone malware computer program that replicates itself in order to spread to other computers.
- A virus cannot affect a Linux operating system. False
ANS: virus can affect any operating system.
- A trojan can be in the payload of only a worm. False
- A worm and virus are self-replicating programs. True
ANS: worm and virus is self-replicating programs But trojan is not.
- There is no difference between a virus and a worm. False
ANS: since worm are standalone software and do not require a host program or human help to propagate.
So, D is choice.