220-301 A+ Hardware Technologies Q&A

QUESTION NO: 1
A bearing in the power supply fan goes out. What should you replace?
A. Fan
B. Case
C. Bearing
D. Power Supply
Answer: D

Explanation: The whole power supplier should be replaced. PC technicians should nottry to repair power supplies.

QUESTION NO: 2
You get an error during POST on a PC. What could this mean? (Choose two)
A. BIOS needs to be reset.
B. There is a hardware failure.
C. HIMEM.SYS is missing or incorrect.
D. The drivers for the device are incorrect.
E. The Windows file system is generating an error.
Answer: A, B

Explanation:A: POST errors could disappear after a reset of the BIOS.B: Errors during POST are hardware-related.Incorrect AnswersC: Missing files or incorrect files would not generate POST errors.D: Drivers are software-related. BIOS handles hardware.E: POST errors are not affected by the operating systems.

QUESTION NO: 3
What are the correct combinations of COM ports and IRQ? (Choose Two)
A. COM1 and COM2, IRQ5
B. COM3 and COM4, IRQ2
C. COM1 and COM3, IRQ4
D. COM1 and COM3, IRQ3
E. COM2 and COM4, IRQ3
Answer: C, E

Explanation: COM1 and COM3 use IRQ4.COM2 and COM4 use IRQ3.

QUESTION NO: 4
When you configure the hard disk or COM ports in the BIOS, where do the BIOSsave this information?
A. CPU
B. CMOS
C. Memory
D. Hard Drive
Answer: B

Explanation: The BIOS settings are stored in the CMOS memory.

QUESTION NO: 5
To which connector on an IDE cable, should you connect the bootable drive?
A. The first connector from primary IDE controller.
B. The second connector from the primary IDE controller.
C. The third connector from the primary IDE controller.
D. Either the first or the second connector from the primary IDE controller.
Answer: D

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