A+ V14 Server Room Environmental Monitoring

1. When humidity exceeds 60% RH in a server room, the primary concern is:

Equipment overheating

Condensation and corrosion

Fan motor failure

Increased power consumption

2. The most important environmental parameter to monitor continuously in a server room is ____.

Temperature

Humidity

Air pressure

Light intensity

3. A server room's air intake vents should be positioned to avoid:

Direct sunlight exposure

Return air recirculation

Equipment vibration

Both A and B

4. What is the main advantage of in-row cooling units over centralized CRAC systems?

Lower installation cost

Better targeted cooling near hot spots

Simpler electrical connections

Reduced monitoring requirements

5. Server room cooling efficiency is measured in terms of ____.

PUE (Power Usage Effectiveness)

RPM (Revolutions Per Minute)

BTU (British Thermal Units)

Both A and C

6. Which type of fire suppression is safest for use in an occupied server room?

Water sprinklers

CO2 systems

FM-200 or similar gaseous agents

Dry powder extinguishers only

7. True or False: UPS systems in a server room require the same cooling capacity as standard office air conditioning.

True

False

8. The dew point in a server room is most important for preventing:

Dust accumulation

Condensation

Noise levels

Cable degradation

9. A server room experiences sudden temperature rise. Which action should be taken first?

Shut down all servers immediately

Check cooling system status and alert facilities

Increase room humidity

Relocate equipment to another room

10. What is the purpose of blanking panels in server racks?

Hide unused ports

Prevent hot and cold air mixing

Reduce electromagnetic interference

Improve cable management

11. What is the recommended temperature range for a server room according to ASHRAE guidelines?

50–60°F (10–15°C)

64–80°F (18–27°C)

85–95°F (29–35°C)

100–110°F (38–43°C)

12. True or False: A server room can safely operate at 90°F if humidity is maintained at 50% RH.

True

False

13. Which factor is most critical when calculating cooling capacity needed for a server room?

Number of network switches

Total power consumption of all equipment

Room paint color

Number of fire extinguishers

14. What does CRAC stand for in data center cooling?

Computer Room Air Conditioner

Central Rack Airflow Control

Cooling Regulation and Climate

Cabinet Refrigeration Air Circulation

15. A PDU (Power Distribution Unit) in a server room primarily serves to:

Monitor room temperature

Distribute power from UPS to equipment

Filter cooling air

Backup network connections

16. What is the primary purpose of hot aisle/cold aisle configuration?

Separate network cables from power cables

Maximize cooling efficiency and reduce recirculation

Isolate backup servers from production

Prevent unauthorized access to equipment

17. Which device monitors and alerts on temperature and humidity in real time?

Thermostat

Environmental monitoring system

UPS battery

PDU switch

18. A server room maintains 68°F but humidity drops to 25% RH. What risk does this create?

Condensation on equipment

Static discharge damage

Thermal throttling

Power supply failure

19. What humidity level range is ideal for server room operations?

20–30% RH

40–55% RH

60–75% RH

80–95% RH

20. Which type of cooling system circulates cold air under the raised floor in a data center?

In-row cooling

Overhead cooling

Underfloor cooling

Perimeter cooling

A+ V14 Server Room Environmental Monitoring Quiz