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Q141. Which of the following connectors can be used for video, audio, and storage devices?
A. DVI
B. DisplayPort
C. HDMI
D. Thunderbolt
Answer: D
Q142. A technician is giving a safety class to new employees. Which of the following contains potentially dangerous voltages and should be handled with care, even if the power has
been recently disconnected?
A. Laser printer
B. Wireless router
C. Paper shredder
D. CRT monitor
Answer: D
Q143. A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?
A. Replace monitor.
B. Replace video card.
C. Replace video cable.
D. Replace power supply.
Answer: A
Q144. 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
Answer: B
Q145. Which of the following technologies can be accessed through the DisplayPort? (Select TWO).
A. USB
B. SATA
C. DVI
D. FireWire
E. HDMI
Answer: C,E
Q146. After setting up a new computer, a user states that the mouse and keyboard will not work. Which of the following is the MOST likely reason?
A. The network cable is disconnected
B. The PS/2 connectors are switched
C. The USB connectors are switched
D. The hard drive is unplugged
Answer: B
Q147. Which of the following components is responsible for converting light into digital information?
A. Microphone
B. Digitizer
C. Inverter
D. Webcam
Answer: D
Q148. A customer has left a computer monitor on over the weekend and now notices slight discoloration of the screen. This is an example of:
A. a failing backlight.
B. burn in.
C. a bad inverter.
D. dead pixels.
E. EMI.
Answer: B
Q149. A technician is tasked with replacing all the APs in an office building for greater speeds. The current location of APs allowed for total coverage of WiFi throughout the office. Which of the following 802.11 standards should be used?
A. a
B. ac
C. b
D. g
E. n
Answer: B
Q150. A technician replaces a defective 250GB hard drive in a desktop with a 2TB hard drive. After installation, the computer detects the new 2TB drive as a 250GB drive. Which of the following should the technician do to fix this issue?
A. Reinstall the drive
B. Patch the OS
C. Upgrade the driver
D. Flash the BIOS
Answer: D