Unix® System Management Primer Plus

Chapter 9

1:	Why do power outages pose a risk to electronic equipment?
A1:	Power outages are often accompanied by power surges and brownouts that can damage electronic equipment. Power surges often occur when power is restored after a power failure, and “dirty” power with fluctuating voltages can seriously damage equipment and threaten the safety of your data. Surge protection and backup, such as a UPS (uninterruptible power supply), are essential for protecting equipment from this kind of damage.
2:	Name two major functions of a UPS.
A2:	A UPS provides battery backup in case of a power failure and it maintains a constant voltage level to protect hardware from “dirty power.”
3:	What benefit is there to connecting a generator to your building's power ...