Computers 1

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?

• 
  

  • A. 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?

• A. Roller

• B. Drum

• C. Transfer belt

• D. Ribbon

Answer explanation

The most likely cause of vertical streaks appearing on the output of a laser printer is a problem with the drum (Option B). The drum is a component in a laser printer that transfers toner from the cartridge to the paper. If the drum is damaged or worn out, it can cause issues with print quality, including vertical streaks on the output. Other possible causes of vertical streaks on the output of a laser printer include a dirty corona wire, a nearly empty toner cartridge, or debris on the ADF glass

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?

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

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

• • C. The projector does not support the necessary HDCP protocol.

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

Answer explanation

Protected content. If you encounter an error that indicates unauthorized content or an HDCP error: DVI, HDMI, DisplayPort, and Thunderbolt all provide support for the Digital Rights Management (DRM) mechanism High-bandwidth Digital Content Protection (HDCP).

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?

• • A. The channel is reserved for licensed band use.

• • B. The channel selection is defective; contact the manufacturer.

• • C. The channel must be unlocked by the vendor.

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

Question #8 Topic 1

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?

• • A. Separation pad

• • B. Transfer roller

• • C. Ink cartridge

• • D. Fuser

A technician is configuring a workstation to be used as a VM host. After installing the necessary software, the technician is unable to create any VMs. Which of the following actions should be performed?

• • A. Disable the BIOS password.

• • B. Enable TPM.

  • .

• • C. Enable multithreading.

• • D. Enable Fast Startup

Answer explanation

When configuring a workstation to be used as a VM host, it is important to enable hardware virtualization features such as multithreading to ensure that the host can efficiently manage multiple virtual machines. This typically involves enabling settings such as Intel's Hyper-Threading or AMD's Simultaneous Multithreading (SMT) in the BIOS/UEFI settings. Enabling these features should help resolve the issue and allow the technician to create VMs.

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?

• • A. Network tap

• • B. Punchdown tool

• • C. Toner probe

• • D. Crimper

A user, who is attempting to give a presentation via a projector in a conference room, reports that the projector has video but no audio. Which of the following will
MOST likely resolve the issue?

• • A. Changing the input on the projector to VGA

• • B. Changing the output on the PC to DVI

• • C. Modifying the projector's refresh rate

• • D. Utilizing an HDMI connection

A customer reports that a computer is never able to reach more than a 100Mbps transfer data rate, even when using a Gigabit LAN card. While troubleshooting, the technician notices the network cable needs to be replaced. Which of the following cable categories is limiting the transfer speed?

• • A. Cat 5

• • B. Cat 5e

• • C. Cat 6

• • D. Cat 6a

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?

• • A. Close other video software and retry.

• • B. Adjust the conference software to a compatible resolution.

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

• • D. Reseat or replace the webcam.