CompTIA exam questions
A user states that their old Windows 7 notebook loses time when they power it off. Which of the following items would address this problem?
A. Remove any over clocking settings in the BIOS.
B. Replace the CMOS battery.
C. Replace the main battery with a larger power battery.
D. Update the BIOS to new revision.
A technician has replaced the CMOS battery on the motherboard. Which of the following is the reason why the technician did this?
A. BIOS password was set incorrectly
B. System would not shut down properly
C. Video card was under powered
D. Clock settings are not being maintained
Which of the following is a common location of the CMOS battery in a laptop?
A. Under the keyboard
B. Behind the removable hard drive
C. Under the removable CD drive
D. Behind the laptop battery
A user reports that the desktop PC shuts down 10 minutes after turning it on in the morning. When the technician moves the PC, it sounds like there are loose parts sliding around in the case. Which of the following is the MOST likely explanation for the PC shutting down?
A. The CMOS battery is bad.
B. A memory module has become unseated.
C. The heat sink retaining clip has broken loose.
D. The hard drive cable has become unseated.
When installing Windows on a new server, a technician gets an error reporting that no suitable hard drives are available for installation. Which of the following is MOST likely the issue?
A. Bluetooth pairing is disabled
B. RAID drivers need loading
C. PXE boot server unavailable
D. CMOS battery needs replaced
A technician troubleshoots a broken PC only to find that a strong burning odor is coming from inside the case. Which of the following parts MOST likely experienced a level of electrical burn?
A. PSU
B. Processor
C. CMOS battery
D. Hard drive
Which of the following laptop components provides direct electrical supply to illuminate the screen’s image?
A. DC jack
B. CMOS battery
C. Inverter
D. Backlight
Which of the following should a technician check FIRST on the laptop if the system’s battery is not being charged?
A. CMOS battery
B. DC-in jack
C. AC-in jack
D. Breaker for the wall jack
A customer reports that their 4-year-old PC takes a long time to boot. The technician investigates and finds the BIOS is rediscovering the hardware environment at every boot. Which of the following will MOST likely fix this problem?
A. Change out the CMOS battery on the motherboard.
B. At the OS level, launch “Device Manager” and re-scan the hardware.
C. Hit “F9” while the computer is booting, but before the OS starts to load.
D. Reset the BIOS using the CMOS reset jumper.
Which of the following components of a motherboard is responsible for communications between CPU and RAM?
A. North Bridge
B. South Bridge
C. PCIe slot
D. CMOS battery