What does the 80 PLUS certification on a power supply unit indicate?

The number of connectors on the PSU

The PSU's efficiency at converting AC power to DC power

The PSU's noise level in decibels

The maximum wattage the PSU can deliver

A technician is building a new system with a motherboard that has an 8-pin CPU power connector. The power supply only has a 4+4 pin CPU connector. What should the technician do?

Connect only one 4-pin half to the 8-pin connector

Use a 6-pin PCIe power connector instead

Leave the CPU power connector unconnected and rely on the 24-pin connector

Connect the 4+4 pin connector to the 8-pin CPU power connector

What is the correct first step when installing a motherboard into a case?

Install the I/O shield into the case

Screw the motherboard directly to the case

A user reports that their gaming PC randomly shuts down under heavy load. The system has a 500W power supply, a high-end GPU, and multiple drives. The technician suspects insufficient power. What is the best next step?

Change the power plan to Power Saver to limit CPU usage

Update the BIOS to improve power management

Replace the power supply with a higher-wattage unit that has an 80 Plus Bronze rating

Disable the GPU in Device Manager to reduce power draw

CompTIAA+ Core 1

Domain 3Objective 4

Motherboards and Power 220-1201 Practice Questions (Page 2)

Part of the Hardware domain, which accounts for 25% of the 220-1201 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~9–15 in this domain), expect 2–4 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

9concepts

25%of the exam

Questions 6–10

6foundation · easy
A customer wants to build a compact home-theater PC (HTPC) in a small case. Which motherboard form factor is designed for maximum space savings while still being a standard consumer option?
Select an answer first
7foundation · easy
What does the 80 PLUS certification on a power supply unit indicate?
Select an answer first
8application · medium
A technician is building a new system with a motherboard that has an 8-pin CPU power connector. The power supply only has a 4+4 pin CPU connector. What should the technician do?
Select an answer first
9foundation · easy
What is the correct first step when installing a motherboard into a case?
Select an answer first
10application · medium
A user reports that their gaming PC randomly shuts down under heavy load. The system has a 500W power supply, a high-end GPU, and multiple drives. The technician suspects insufficient power. What is the best next step?
Select an answer first

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