Aggregate functions are most commonly used in all of the following Access objects EXCEPT:

A server would experience a(n) __________ attack when a hacker compromises it to acquire information via a remote location using a network connection.

A. indirect B. direct C. software D. hardware

To insert a picture into a presentation, the picture must be saved in a(n) ____________________ that PowerPoint can recognize.

Fill in the blank(s) with the appropriate word(s).