Power Supply Replacement for IT Ops Specialists

1. A replacement PSU is rated for 80+ Bronze certification. What does this mean?

Supply achieves at least 80% efficiency at rated load

Supply is third-tier quality with limited warranty

Supply has been tested for 80 hours of operation

Supply supports up to 80 devices simultaneously

Submit

3. Which safety device protects against overcurrent in a power supply?

Fuse or circuit breaker

Thermal paste

Cable tie

Heatsink

4. True or False: A power supply rated for 500W can safely power a system requiring 480W.

True

False

Submit

6. After power supply replacement, the system boots but no fans spin. What should you verify?

Fan power connectors are properly connected to PSU

All software drivers are updated

The system BIOS date is current

The case has adequate ventilation

7. When ordering a replacement PSU, what form factor must match the chassis?

ATX, micro-ATX, or SFX

SATA or NVMe

USB-C or Thunderbolt

PCIe or PCI

8. A system randomly shuts down under load. Which PSU issue is most likely?

Insufficient wattage or failing capacitors

Incorrect monitor refresh rate

Outdated BIOS version

Loose RAM modules

Submit

10. Which component receives power from the 8-pin CPU connector?

Central processing unit

Random access memory

Hard disk drive

Network interface card

11. What is the primary purpose of a Watt rating on a power supply?

Indicates maximum power the supply can deliver continuously

Shows the supply's age and warranty period

Determines the physical size of the unit

Specifies the cooling fan speed

12. What is the voltage standard for most North American power outlets?

110–120 volts AC

220–240 volts AC

48 volts DC

12 volts DC

Submit

14. The power supply fails during peak load. What specification should be reviewed?

Wattage capacity versus system requirements

The color of the power cables

The manufacturing date of components

The length of the power cord

15. A power supply makes a humming noise but the system operates normally. What is the likely cause?

Fan bearing wear; monitor and plan replacement

Critical failure requiring immediate shutdown

Motherboard compatibility issue

Incorrect voltage configuration

16. Which connector type is commonly used for ATX motherboards?

24-pin ATX power connector

6-pin PATA connector

8-pin USB connector

4-pin IDE connector

Submit

18. What does PSU stand for in IT operations?

Power Supply Unit

Primary System Update

Peripheral Storage Utility

Process Service Upgrade

19. A server fails to power on after replacing the PSU. What should you check first?

Verify all power connectors are fully seated

Replace the motherboard

Check if the new PSU is certified by the vendor

Install additional RAM

20. Which safety precaution is most critical before replacing a power supply?

Wear an antistatic wristband and power off the system

Document the cable connections with photos

Test the replacement supply before installation

Verify the room temperature is below 68°F

IT Ops Specialist Replacing a Failed Power Supply Quiz

1. A replacement PSU is rated for 80+ Bronze certification. What does this mean?

2.

What first name or nickname would you like us to use?

2. A new PSU installation requires documenting the original cable____ for reference.

3. Which safety device protects against overcurrent in a power supply?

4. True or False: A power supply rated for 500W can safely power a system requiring 480W.

5. Modular power supplies allow cables to be____.

6. After power supply replacement, the system boots but no fans spin. What should you verify?

7. When ordering a replacement PSU, what form factor must match the chassis?

8. A system randomly shuts down under load. Which PSU issue is most likely?

9. The power supply replacement procedure requires grounding to prevent____.

10. Which component receives power from the 8-pin CPU connector?

11. What is the primary purpose of a Watt rating on a power supply?

12. What is the voltage standard for most North American power outlets?

13. Before disposal, a failed power supply should be____.

14. The power supply fails during peak load. What specification should be reviewed?

15. A power supply makes a humming noise but the system operates normally. What is the likely cause?

16. Which connector type is commonly used for ATX motherboards?

17. When replacing a power supply, redundant PSUs should be____.

18. What does PSU stand for in IT operations?

19. A server fails to power on after replacing the PSU. What should you check first?

20. Which safety precaution is most critical before replacing a power supply?