Computer Hardware and Troubleshooting Quiz

A technician is tasked with installing additional RAM in a desktop computer. Which of the following types of RAM is MOST likely to be used?

• SODIMM

• DDR3

• ECC

• VRAM

Vertical streaks are appearing on the output of a laser printer. Which of the following items is the MOST likely cause?

• Roller

• Drum

• Transfer belt

• Ribbon

A user is trying to play a DVD on a projector. The user can hear the audio; however, the projector is showing an error message that states: HDMI Blocked due to Copy Protection. Which of the following is the MOST likely cause of the error?

• The HDMI cannot carry the signal from the DVD to the projector.

• The user needs to switch from HDMI to a cable standard such as DisplayPort.

• The projector does not support the necessary HDCP protocol.

• The user needs to enable copy-protected sources in the projector’s settings.

While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

• The channel is reserved for licensed band use.

• The channel selection is defective; contact the manufacturer.

• The channel must be unlocked by the vendor.

• The device requires a firmware update to unlock the channel.

A user submitted a support ticket that states all of the printouts from a laser printer appear to have double images imposed on them. A review of past printer support tickets shows that a maintenance kit has not been installed in more than a year. Which of the following printer consumables is MOST likely causing the issue?

• Separation pad

• Transfer roller

• Ink cartridge

• Fuser

A user's computer is not receiving a network connection. The technician confirms that the connection seems to be down and looks for the user's port on the patch panel. The port and patch panel are not labeled. Which of the following network tools should the technician use to identify the port?

• Network tap

• Punchdown tool

• Toner probe

• Crimper

While using a popular videoconferencing program, the user selects a webcam, but the software is unable to open the webcam. The webcam was working the previous day. Which of the following should be done to address this issue?

• Close other video software and retry.

• Adjust the conference software to a compatible resolution.

• Switch the video from the webcam to 'conference' mode.

• Reseat or replace the webcam.

A user failed to gain access to a building's entrance after security measures at the entrance were upgraded last week. The company implemented the 13.56MHz frequency short band, and users can now utilize their mobile devices to authenticate. Which of the following has to be enabled for the mobile device to authenticate?

• Bluetooth

• Biometrics

• NFC

• PIN

A technician unboxed a new computer, plugged it in to a UPS, and connected the requested peripherals. The computer lights and fans turn on, but the technician hears three loud, consecutive beeps during boot. Which of the following actions will remediate the issue?

• Replacing the power supply

• Replacing the UPS

• Changing the CMOS battery

• Reseating the RAM

An IT manager discovered that hundreds of pages of printed materials are being recycled each day because the materials are left on the printer tray instead of being picked up by users. Which of the following would BEST prevent this waste?

• Send friendly reminders to not print unnecessarily.

• Enable duplex printing to reduce paper utilization.

• Bill each department for the excess material cost.

• Require a code or badge before releasing a print job.