How many security related domains are contained within the FIPS 200 publication?

If more method calls occur than can have their activation records stored on the program execution stack, an error known as a ________ occurs.

a. stack overflow. b. stack rewind. c. stack full. d. stack empty.

In an industrial control system (ICS), the operator watches some kind of monitor-the ____________________-and intervenes if necessary.

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