What is meant by the phrase "backing up your data"?
a. downloading and installing software updates when prompted to do so
b. examining the disk for unnecessary files and permanently deleting them
c. making a duplicate copy of the data and storing it in another location

In the context of the box model, what is the difference between a margin and a padding? a. a padding lies outside a box border, while a margin lies inside it. b. a padding lies inside a box border, while a margin lies outside it. c. a padding can be adjusted independently, while a margin depends on the size of its box. d. a padding depends on the size of its box, while a margin can be adjusted independently.