COMPTIA A+ Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is the distinction of an Online UPS?

Acts only as a backup power source

Used for power conditioning only

Acts as the primary power source, instantly switches to battery during outage

An Online UPS (Uninterruptible Power Supply) is a type of power backup system that functions as the primary power source for electronic devices. This distinction sets it apart from other types of UPS which act only as a backup power source. Option A is incorrect because an Online UPS offers continuous power supply, rather than just acting as a backup. Option B is also incorrect because an Online UPS not only provides backup power, but also actively regulates and conditions the power to ensure a reliable and stable energy supply. Option D is incorrect as Online UPS systems are commonly used in various settings, including homes, offices, and data centers, rather than just remote locations. Option C is the best choice as it accurately describes the primary function of an Online UPS.

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Offers power only in remote locations

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