CompTIA 220-802 Certification Practice Test

Answer: D -A surge suppressor (also called a surge protector) is a device inserted into the AC utility line and/or telephone line to prevent damage to electronic equipment from voltage spikes called transients. It prevents the peak AC voltage from going above a certain threshold.

Key Takeaway: Always protect your PC from high voltages using voltage or surge suppressors. An unexpected voltage spike can easily fry all the components in your PC.