Question

question 56 of 73
besides protecting a computer from under-voltages, a typical ups also performs which other actions? (select two.)
☐ protects from over-voltages
☐ prevents esd
☐ protects network cabling from emi
☐ conditions the power signal
☐ prevents electric shock

Explanation:

1. Protects from over - voltages: A Uninterruptible Power Supply (UPS) is designed to regulate the voltage supplied to a computer. It can detect and protect against over - voltages (voltage surges) in addition to under - voltages (voltage sags or brownouts).
2. Conditions the power signal: UPS systems also condition the power signal. They help to smooth out any irregularities in the AC power waveform, providing a clean and stable power supply to the connected equipment.
3. Prevents ESD: Electrostatic Discharge (ESD) protection is typically handled by devices like ESD - safe mats, wrist straps, or components with ESD protection built - in, not by a UPS.
4. Protects network cabling from EMI: Electromagnetic Interference (EMI) protection for network cabling is usually provided by shielded cables or EMI - filtering devices at the network level, not by a UPS.
5. Prevents electric shock: Electric shock prevention is more related to proper grounding of electrical equipment and safety features in the building's electrical system, not a function of a UPS.

Answer:

A. Protects from over - voltages
D. Conditions the power signal