Using the keystroke logging software Magic Lantern requires an agent to physically enter a premises and install it on a computer

Which of the following would be most likely to be a primary key field?

A) address B) Social Security number C) telephone number D) last name

Match the following condition with the maintenance issue causing it:

I. overheating II. key not working III. non-responsive mouse IV. blank rows on printouts V. slow loading files A. lint buildup on XY rollers B. clogged nozzle C. dust accumulation D. fragmentation E. sticky material