A technician is preparing to perform a processor upgrade on a critical company server.
Which of the following precautions should be taken FIRST before performing such work on a
system? (Select TWO).

A.
Discharge all capacitors inside the PSU

B.
Remove all jewelry

C.
Ensure the PSU is plugged into a grounded electrical socket

D.
Ensure humidity levels within the room are lowered

E.
Put on an anti-static wrist strap