You are asked to diagnose a desktop PC that will not power on. Your instructor tells you the power supply unit (PSU) has failed. What is the correct action?
A student knocks over a water bottle and liquid runs across a powered-on tower and into the desk's power strip. What is your first action?
You are installing a new stick of RAM. Where should the alligator clip of your anti-static wrist strap be attached?
Which practice best protects components from electrostatic discharge (ESD) damage while they are not installed?
According to standard ergonomic guidance, where should the top of your monitor sit relative to your body?
Which describes a correctly adjusted workstation chair and keyboard position?
A server rack's power distribution unit catches fire and is still energized. Which fire extinguisher class is rated for energized electrical equipment?
Which of the following is an OSHA and fire-code violation commonly found in poorly managed computer labs?
Which of these is the strongest password for a school account?
You receive an email from "IT Helpdesk" saying your account will be deleted in 24 hours unless you verify your login at the attached link. The sender's address is helpdesk@it-schoolsupport-verify.net. What is the single strongest indicator this is phishing?
A static discharge too small for a person to feel or hear can still damage or shorten the life of a computer component.
Wearing a grounded anti-static wrist strap makes it safe to work inside an opened power supply or CRT monitor.
The "20-20-20 rule" recommends that every 20 minutes you look at something about 20 feet away for at least 20 seconds to reduce eye strain.
If an electrical fire is small, it is acceptable to put it out with a water-based (Class A) extinguisher.
Sharing your account password with a trusted partner is acceptable as long as it is for a group project and you change it afterward.