Due to the issue of wireless carriers potentially running out of bandwidth available for customers, many of them have eliminated unlimited data plans and implemented mobile ____________________.

When an aggregate function is used, which clause divides the data into distinct groups?

a. SELECT b. FROM c. WHERE d. GROUP BY e. HAVING

____ can enhance a presentation if used properly, and they can be linked to other animations on a slide.

A. Previews B. Sounds C. Exit Effects D. Options