CompTIA exam questions
Peter, a technician, is asked to replace the LCD panel portion of a laptop screen. Upon removing the outside cover, Peter finds loose wires surrounding the LCD panel. Which of the following is the MOST likely purpose of these wires?
A. Reduces EMI for a clearer video picture
B. Wiring for an a Bluetooth adapter
C. Antennas for the wireless network card
D. Connections for a high performance video card
A user reports that they walked away from their laptop for 30 minutes and when they came back the screen was very dim. The user tried moving the mouse and increasing the brightness setting, but neither worked. Which of the following should the technician do FIRST?
A. Plug in an external monitor to test the video card.
B. Run a check disk scan to verify there is no corruption.
C. Check if the laptop is now on battery power.
D. Have the LCD screen replaced with a known good screen.
A user is looking to have a home theater PC built. Which of the following components should a technician include in this build?
A. TV tuner card
B. Video card with dual monitor output
C. USB 3.0 card
D. PCIe RAID controller
Which of the following expansion cards would MOST likely require the use of an external power connector to function properly?
A. PCI Express video card
B. PCI Express fiber card
C. PCI Express sound card
D. PCI Express network card
A customer asks a technician to upgrade a desktop computer to support the DVI-D interface. Which of the following PC expansion cards would the technician upgrade?
A. FireWire card
B. Network card
C. Thunderbolt card
D. Video card
E. Sound card
A client, Emily, is having issues with a PC shutting down. There are no error messages displayed before the system powers off. Emily reports that this started after she installed and began using CAD software. The hard drive, video card, and RAM all meet the software requirements and have passed diagnostics. Which of the following is MOST likely the issue?
A. The video card has 3D acceleration disabled.
B. The hard drive is IDE instead of SATA.
C. The hard drive needs to be repartitioned.
D. The PSU is underpowered for the system.
A corporate technician has been tasked with providing a thin client PC for a new employee. Which of the following configurations would be the MOST appropriate?
A. A PC with the maximum amount of supported RAM
B. A PC equipped with high end audio and video cards
C. A PC that meets the minimum requirements for running an OS
D. A PC with the most powerful processor
A user has a virtual machine that is running slowly and needs to increase performance. Which of the following components, when upgraded, would have the MOST significant impact?
A. RAM
B. Video card
C. Optical drive
D. Cooling
A user has requested a technician to upgrade a small form factor open source PC to facilitate video capture. Which of the following should be used?
A. IDE sound card
B. PCIe video card
C. Riser card
D. PS/2 adapter
A technician is building a new workstation for a user that will be performing 3D video rendering. Which of the following is MOST likely a requirement for this workstation? (Select TWO).
A. Gigabit Network Access
B. Specialized Video Card
C. HDMI Output
D. Additional USB 3.0 Ports
E. Liquid Cooling
F. High Capacity Hard drive