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  1. Home
  2. CompTIA
  3. RC0-903

CompTIA RC0-903 Exam (page: 7)
CompTIA A+ Recertification Exam for Continuing Education
Updated on: 25-Dec-2025

Viewing Page 7 of 53
RC0-903 PDF 257 Questions

A user is reporting that a desktop monitor backlighting is very dim. Which of the following should be performed FIRST when troubleshooting the problem?

  1. Update drivers
  2. Reseat the video card
  3. Use OSD tools
  4. Replace the monitor

Answer(s): C



A user has reported that the company notebook is performing some random mouse actions requiring the user to make a lot of typing corrections. How can the technician solve the issue for the user?

  1. Adjust the mouse settings so the mouse moves slower
  2. Reverse the buttons on the mouse pad
  3. Adjust the mouse settings so the mouse moves faster
  4. Use the function keys to disable the mouse pad

Answer(s): D



A technician is tasked with upgrading the hard drives of a high-end workstation to SSD. The drives must be configured in a RAID array, but the RAID card does not support SSD. Which of the following would the technician verify in order to use the new drives?

  1. Controller firmware
  2. Power requirements
  3. File system type
  4. System BIOS

Answer(s): A



A network technician has been tasked with deploying new VoIP phones on a network. When the technician plugs the Ethernet cable for the phone into the wall port, the phone fails to turn on. When the technician plugs the Ethernet cable directly into the computer, the computer is able to access the network. Which of the following is the MOST likely cause of this issue?

  1. The network switch does not support PoE
  2. The technician is connecting the phone to the wrong type of port
  3. The firewall on the network is blocking access to the DHCP server
  4. The Ethernet cable is the wrong type

Answer(s): A



A technician receives a call that a client’s PC is not booting after a recent test of the building’s back-up generators. When the technician arrives, it is discovered that, once powered on, there is no output display or POST beep codes.

Furthermore, after 15 seconds, the system’s fans begin running much louder and faster. Which of the following is the MOST likely issue?

  1. The motherboard was damaged by the power test.
  2. The PC’s RAM was affected by ESD.
  3. The power supply was damaged and is nonfunctional.
  4. The hard drive was erased due to the power test.

Answer(s): A



Viewing Page 7 of 53



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