After installing a bar code reader, which of the following is commonly done to configure the reader?
A. Scan in program codes
B. Enable the code reader in the BIOS
C. Use Device Manager to enable I/R ports
D. Adjust jumper switches
CompTIA exam questions
After installing a bar code reader, which of the following is commonly done to configure the reader?
A. Scan in program codes
B. Enable the code reader in the BIOS
C. Use Device Manager to enable I/R ports
D. Adjust jumper switches
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.
Peter, a user, wants to modify the fan speed settings on his PC. Which of the following locations allows the fan speed settings to be changed?
A. BIOS
B. Device Manager
C. Motherboard Jumpers
D. Computer Management
Two new PCs will have a DVD-RW drive for support use. The PCs will be used for Point of Sales transactions and everything will be password protected or disabled. Which of the following is the BEST way to disable the DVD-RW drives?
A. The Registry
B. Device Manager
C. Disk Management
D. The BIOS
Which of the following methods can be used to apply a file system to a hard drive partition? (Select TWO).
A. Device Manager MMC
B. Format Command
C. Disk Management MMC
D. Windows Explorer Menus
E. FDISK Command
A user reports that all printouts to a locally attached printer show only garbled characters. Which of the following tools should a technician use to troubleshoot the issue?
A. Programs and Features
B. Performance Monitor
C. System Configuration
D. Device Manager
A laptop’s wireless card shows up in the Device Manager, but the signal strength is always one bar. This is caused by which of the following?
A. The signal is disabled in the wireless utility
B. Disconnected or broken antenna
C. Disconnected or broken inverter
D. The wireless switch is turned off
Which of the following can be used to change fan speeds?
A. Device manager
B. BIOS
C. Power options
D. Action center