Final answer:
A) Surge protectors and Uninterruptible Power Supply (UPS) devices are essential to protect servers from voltage spikes and power failures, respectively, by preventing hardware damage and data loss.
Step-by-step explanation:
If you are concerned about your servers being damaged during a power failure or under-voltage event, the two devices that would protect against these conditions are Surge Protector and Uninterruptible Power Supply (UPS).
A Surge Protector is designed to protect electronic devices from voltage spikes. It monitors the voltage supplied to an electrical device and diverts excess voltage to the grounding wire, thereby preventing it from reaching the connected devices and causing damage.
An Uninterruptible Power Supply (UPS) not only provides surge protection but also ensures that in the event of a power cut, your servers continue to run on battery power. This battery backup allows for a controlled shutdown of equipment or continued operation during short power outages, preventing data loss and hardware damage that can be caused by an abrupt power failure.