Question

an image ( or system backup ) saves only the following kinds of files:
a. applications, operating system and data files.
b. photos and videos.
c. applications.
d. data files.

Explanation:

A system backup or image is a complete snapshot of a system, which includes the operating system, installed applications, and user/data files to restore the entire system to its previous state. Other options are incomplete as they only cover partial components.

Answer:

A. applications, operating system and data files.