CompTIA A+ Core 2 (220-1002) — Question 251

Which of the following identifies changes in the environment, such as alternating current failure?

Answer options

• A. UPS monitor
• B. MSDS
• C. ESD mat
• D. Surge suppressor

Correct answer: A

Explanation

The correct answer is A, as a UPS monitor is specifically designed to track changes in power conditions, including AC failures. The other options, such as MSDS, ESD mat, and surge suppressor, serve different purposes, such as providing safety information, protecting against electrostatic discharge, and mitigating voltage spikes, respectively.