CompTIA A+ Question E-99

After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause?

A. The wireless switch was damaged during the display installation.
B. The network card has failed.
C. The new display is interfering with the wireless signal.
D. The antenna connector was not reconnected.

Correct Answer: D

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-59

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

Correct Answer: C

CompTIA A+ Question C-55

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