Answer:
B. IF function should be used to display a value based on a comparison.
Answer:
A virtual privte network is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.
I believe the answer is Virtual Private Network (VPN).
Know this answer is late, but im doing my deed hoping i this can help someone else pass this darn class. Best of Luck to whoever is taking the same course. You can do it if my lazy self can do it! It'll be okay ;)