TestOut LabSim A+ Certification Practice Exam

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Besides protecting from under voltages, what is another function of a typical UPS?

Provides data backup
Protects from over voltages
Increases computer speed
Connects multiple devices

The correct answer is: Protects from over voltages

A typical Uninterruptible Power Supply (UPS) serves several important functions, one of which is protecting connected devices from over voltages. When there is a spike in voltage, often due to issues within the power grid, lightning strikes, or equipment malfunctions, the UPS can manage excess voltage to prevent damage to sensitive electronic equipment. This is crucial for maintaining the longevity and reliability of devices such as computers, servers, and networking equipment, which can be significantly harmed by power surges. In addition to over voltage protection, a UPS provides battery power during outages, ensuring that devices can continue operating temporarily until they can be safely shut down or proper power is restored. This highlights its key role in safeguarding data and equipment from unexpected power disturbances.