CompTIA Network+ Practice Test

What is the ideal humidity range for a data center?

1. 20% to 30%

2. 40% to 60%

3. 70% to 80%

4. 80% to 90%

The correct answer is: 40% to 60%

The ideal humidity range for a data center is between 40% to 60%. This range is crucial for ensuring optimal performance and longevity of the computer equipment housed within the facility. Humidity levels that are too low, such as those found in the lower range of 20% to 30%, can lead to static electricity buildup, which poses a risk of damaging sensitive components. Conversely, excessively high humidity, such as levels found in the ranges of 70% to 80% or even 80% to 90%, can create conditions conducive to corrosion and mold growth, which can further jeopardize equipment and infrastructure. Maintaining humidity within the 40% to 60% range strikes a balance that minimizes both static electricity and moisture-related damage, thus safeguarding the critical systems and operations linked to data processing and storage within the data center environment. This range aligns with the guidelines established by organizations such as ASHRAE, which provide recommendations for environmental conditions that promote safety and efficacy in IT operations.