____, which is an abbreviation for MPEG (Moving Picture Experts Group) Audio Layer-3, is a common form of audio compression.?

In Excel, a defined group is a group of cells that have been renamed

Indicate whether the statement is true or false

A ____ is an automatic phone-dialing program that dials every phone number in a configured range (e.g., from 555-1000 to 555-2000) and checks to see if a person, answering machine, or modem answers.

A. dictionary attack B. rainbow attack C. brute force attack D. war dialer