CompTIA A+ Question E-96

Which of the following is important when replacing a power supply in a workstation located in a datacenter server rack?

A. A fanless power supply should be used
B. The proper voltage must be selected
C. The unit must be the same or less wattage
D. The power connector location must be the same

Correct Answer: B

CompTIA A+ Question E-91

The technician is installing a new video card. Which of the following actions should the technician perform prior to installation?

A. Disconnect power supply from motherboard.
B. Disconnect UPS from the wall’s electrical outlet.
C. Disconnect Power over Ethernet (PoE) cable.
D. Disconnect power from the workstation’s power supply.

Correct Answer: D

CompTIA A+ Question E-85

A home user’s PC has an over-clocked CPU with a relatively small heat sync, small fans on the 800W power supply, and a high-end video card. Which of the following is the recommended solution that will manage heat more effectively?

A. Replace the CPU heat sync with a high RPM fan
B. Purchase an energy efficient power supply
C. Not over-clocking the CPU
D. Liquid cooling system

CompTIA A+ Question E-77

A technician arrives in Germany and discovers that when their PC is plugged into the outlet, no power is received. Which of the following actions should the technician take to get the PC to operate?

A. Change the BIOS settings to the local time
B. Adjust the voltage selector switch
C. Attach a 220 volt power strip from the current region to the PC
D. Attach a 120 volt battery backup power supply to the PC

Correct Answer: B

CompTIA A+ Question E-74

A technician is planning a hardware upgrade of a workstation. The technician would like to upgrade the video card, sound card, and NIC and add a USB 3.0 card. The technician is concerned about power consumption by the expansion cards. Which of the following upgrades would MOST likely require also upgrading the power supply?

A. Video card
B. USB 3.0 card
C. Sound card
D. Network card

Correct Answer: A

CompTIA A+ Question D-68

A technician is building a gaming computer for a client. The computer will have a 6-core processor, 16GB memory, and a high-end graphics card that takes up 2 slots on the motherboard. Which of the following power supply wattages would be BEST to install for this system?

A. 200W
B. 300W
C. 400W
D. 500W

Correct Answer: D

CompTIA A+ Question D-46

A brownout has occurred within a building. A technician is repairing a workstation which has a power light, but is not displaying anything on the screen and is not making any sounds during boot up. Which of the following should be used to further troubleshoot the workstation?

A. Loop back plug
B. POST card
C. Power supply tester
D. Multimeter

Correct Answer: B