HVAC Systems and Security+

If you're planning on taking the Security+ exam, you should have a good understanding of HVAC systems. 

For example, can you answer this question?

Q. Your organization is evaluating replacement HVAC systems and is considering increasing current capacities. Which of the following is a potential security benefit of increasing the HVAC capabilities?

A. Lower MTBF times of hardware components due to lower temperatures

B. Higher MTBF times of hardware components due to lower temperatures

C. Lower MTTR times of hardware components due to lower temperatures

D. Higher MTTR times of hardware components due to lower temperatures

Check out the answer and explanation here.