What characteristic makes a logic bomb different from a worm?
a. A logic bomb contains at least one virus, whereas a worm is a standalone program.
b. A logic bomb activates when a specific event occurs, whereas a worm executes whenever it is run.
c. A worm can contain dangerous code, whereas a logic bomb can only appear to be dangerous.
d. They are essentially the same.
Answer: b. A logic bomb activates when a specific event occurs, whereas a worm executes whenever it is run.