ANSWER: False.
This is as no computer is truly safe from viruses, even if they have a virus protection software in place. As according to current technology, there hasn't been invented a virus protection software where it is 100% impossible for any viruses to not be able to get into the computer's system.
Answer:
B. public.
Explanation:
Antonyms are the words that have the opposite meaning of a given word. This means that whatever word is given, the opposite of that word is the antonym of it.
The given word "classified" is used to talk of something that is kept secret, hidden, or done discretely. So, the opposite of discreet is open, known, public.
Thus, the correct answer is option B.