You are working as a technician at Certkiller .com. You receive a workstation that needs to have
its memory upgraded. When opening the case you find extensive amounts of dust on the inside.
Which of the following should be done in order to clean the computer?

A.
Disassemble the power supply and remove the dust.
B.
Use a household vacuum cleaner and attachments.
C.
Use a surface cleaning solution for built up dust.
D.
Use a can of compressed air.