________ form fields can be used when users will open the file in Word 2003 or earlier versions

Which of the following is an example of a multilayer authentication?

A. A fingerprint scan and a smart card B. A retina scan and a password C. A retina scan and a fingerprint scan D. A password and a smart card

Processes that have encountered an error during execution and continuously uses up system resources are referred to as ____________________ processes.

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