The practice of gaining unauthorized access to a bluetooth device is referred to as:

BlueJacking. It is unclear if the term jack refers to pranking or to hijacking.

Placeholders  are the containers in  layouts  that hold such content as  text  (including body  text, bulleted lists, and titles),  tables,  charts, smartart graphics, movies, sounds, pictures, and clip art.  slide layouts  also contain the theme (colors, fonts, effects, and the background) of a  slide.

1: is a. 2: is  d. 3: is b.