You have decided to implement automatic undo management. which of these steps is optional?
a. set the parameter undo_management.
b. create an undo tablespace.
c. set the parameter undo_retention.
d. restart the instance

Answer (b) the meter will display a negative sign;

You keep on reviving

Answerat least a bachelor's degree;

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.