Chapter 10

On a Linux system, what is the name of the directory where you will find a text file called devices that contains information about the devices that are configured on the system?

/proc

The contrast on your projector's output is not displaying properly. In addition, the images continually flicker. What is the MOST likely cause of the projector's display problems?

A bulb is close to burning out

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room. Which of the following display systems would be the BEST to purchase?

A large screen and a projector

Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products?

Bar code reader

Which of the following devices authenticates users based on their physical features?

Biometric scanner

You have decided to install a new Ethernet network adapter in your Windows 11 desktop computer. After installing the card and booting to Windows, you notice that you have no network connection. After looking in Device Manager, you see that the new network card was detected, but Windows doesn't know what it is. After doing a quick search on the internet, you find what looks like the correct driver and install it. A reboot of Windows is performed, but almost immediately after logging on, your computer crashes. Thinking this must be a fluke, you reboot again with the same result. Which of the following is the BEST method in this scenario to get Windows to load properly?

Boot to safe mode and uninstall the network driver

You have purchased a 1600 x 1200 LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1280 x 1024 with 24-bit color. The display output seems to be fuzzy and stretched. Which of the following BEST describes the action you should take to correct the problem?

Change the screen resolution to the native resolution of the monitor

You have purchased an LED monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution to 1440 x 900 with 32-bit color. The display on the screen seems to be pixilated. Which of the following solutions is MOST likely to fix this problem?

Change the screen resolution to the native resolution of the monitor

You have decided to purchase a new SSD drive for your Windows 11 workstation. Which of the following should you do before purchasing the SSD drive?

Check the Microsoft Hardware compatibility(HCL) to make sure the SSD drive is compatible with Windows 11

A customer complains that a recently purchased monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the video port. Which of the following actions is the BEST to take next?

Check the brightness and contrast serttings using the monitor's controls.

You work as the IT administrator for a small news station. Jill, an employee in Building 2, works in the audio-video editing department and would like to increase her productivity. For example, she would like to be able to run multiple programs simultaneously and be able to compare video clips side by side. Which of the following configuration changes would provide the BEST solution for Jill?

Configure Jill's computer with dual monitors

You are in charge of putting together the display design for a new conference center at your organization. The conference center will be in a large auditorium with 500 or more seats. Which of the following technologies will provide a large display for such a group and also provide very high resolutions?

DLP projector

Alice recently purchased a new cell phone. After her vacation, Alice decided to transfer her holiday photos to her computer to do some touchup work before sending the pictures to her children. When Alice attached her phone to her computer, she saw that Windows detected her phone and tried to load the applicable software to give her access. Unfortunately, after trying for several minutes, Windows displayed a message indicating that it was unsuccessful. When Alice explored her available drives, her phone was not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone?

Device manager

Alice recently purchased a new cell phone. After her vacation, she decides to transfer her holiday photos to her computer, where she can do some touchup work before sending the pictures to her children. When Alice attaches her phone to her computer, she sees that Windows detected her phone and tried to load the applicable software to give her access to her phone. Unfortunately, after trying for several minutes, Windows displays a message indicating that the attempt was unsuccessful. When Alice explores her available drives, her phone is not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone?

Device manager

As a member of the help desk team, you have been assigned to update the driver for the network adapter that is installed on most of the computers in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility allows you to manually update this new driver?

Device manager

You've just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. Since the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue?

Download and install the latest driver from the manufacturer's website.

You have just installed a new video card in a user's Windows workstation. When the system is powered on, the screen displays in 16 colors at 640 x 480 resolution. Which of the following will BEST resolve this problem?

Download and install the latest driver from the video card manufacturer's website.

You've just installed a new device on your Windows system. After installation, you can't use the device. You check Device Manager and find an icon with a yellow exclamation mark. What is the BEST first step for resolving the device issue?

Download the latest driver from the manufacturer's website.

You recently installed a fiber optic network board on an expansion slot in your system's motherboard. You no longer need to use the integrated UTP network board that's integrated in the motherboard. Click on the option you would use in the integrated network adapter's Properties to disable it in Device Manager.

Driver

You are a trainer for your company and often teach courses in a classroom located on campus or in a hotel conference room. In your office, which is separate from the classroom, you have two external monitors connected to your laptop, and you are able to display different content on each monitor. However, when teaching, you only have your laptop and a projection unit. To make teaching easier, you want the same content to show on both the laptop monitor and the projection screen. Which of the following multiple display options would be BEST to select when you are teaching?

Duplicate these displays

A user complains that his USB scanner no longer works. You check Device Manager and see an icon with a black down arrow through it. What should you do?

Enable the device in Device manager

Which of the following projector issues would MOST likely be caused by poor air flow through dirty vents in the projector?

Intermittent shutdowns.

Which of the following peripheral devices are designed specifically for playing games on a computer? (Select two.)

Joystick Gamepad

You have three computers in your office. You would like to reduce the time it takes to switch from one computer to the next, and you would like to use only one keyboard, one monitor, and one mouse for all three computers. Which of the following devices BEST allows this type of setup?

KVM

You are an IT professional that works with home users. One of your customers works from home and uses multiple Windows computers as well as an Apple Mac computer. Your customer wants to be able to switch between his computers without changing the keyboard and monitor currently in use. Which of the following devices would BEST facilitate sharing his monitor and other input devices with all of his computers?

KVM switch

Which of the following display technologies require backlighting? (Select two.)

LCD LED

You are putting together a system for a graphic artist and need to make sure that you find a display that meets their needs. The display needs to have very good color reproduction quality and viewing angles. The display also needs to have proper cooling and be power-efficient. Which of the following display types will MOST likely meet these needs?

LCD display with IPS panel

You are putting together a gaming system and need to make sure that you find a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following display types will MOST likely meet these needs?

LCD display with TN panel

Which of the following is true of modern LCD monitors in regards to backlighting?

LEDs are used to backlight the screen

You're trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first?

Make sure the USB device is plugged in properly.

After using your LCD monitor for about three months, you notice a small black dot in one area of the screen. Regardless of what is shown on the monitor, the dot remains the same color and in the same location. Which of the following is the BEST method for removing the black dot from the monitor?

Play a video designed to fix dead pixels

You've just installed several devices to a computer at once, but now the computer fails to boot properly. Which of the following troubleshooting steps is the BEST to try first?

Remove all of the newly added devices and install them one at a time.

Anna has been backing up her data on a hot swappable drive that is mounted on an external hard drive docking station. This docking station holds two drives. Anna would like to exchange one of the drives with a drive of higher storage capacity. Which of the following is the BEST method for replacing the drive?

Remove and replace the drive after using the safely remove hardware feature to shut down the device.

A user installs a new graphics application on her Windows system. During the installation process, the application prompts the user to load a custom video driver that has been optimized for the application. She does so and then completes the installation. Several days later, the user reports that her display doesn't seem to be working properly under some conditions. To fix the problem, you need to reload the old video driver. Which of the following actions are the BEST choices to resolve the issue? (Select two.)

Revert the system to a restore point priot to installing the video driver. Use device manager to roll back the video driver.

Jamie has been tasked with designing a solution for the paralegals in his office. They need to review old documents that are on paper files and create word processor documents from them that can be searched and cross-referenced. Which of the following devices should Jamie use to create the solution? (Select two.)

Scanner Digitizer

You recently upgraded a client's older workstation to Windows 11. The client has called to complain that the interface is very slow. For example, after clicking on the Start button, the Start menu slowly appears on the screen. Which of the following will MOST likely fix this problem without requiring a hardware upgrade?

Set the visual for best performance

Which peripheral device is best for capturing a customer's signature when they check out at a convenience store or supermarket?

Signature Pad

Jason owns a MacBook Pro and is having an issue with his USB drive. Which of the following tools could Jason use to view information about the USB drive controller?

System information utility

For several years, your laptop's monitor has worked perfectly. However, shortly after turning on your laptop today, you notice that the dimness has increased on the screen. Which of the following is the MOST likely cause? (Select two.)

The Monitor's inverter has gone bad The power adapter was accidently unplugged

You are installing an updated driver for a hardware device on your system. A dialog box pops up, indicating that Microsoft has digitally signed the driver. What does a digitally signed driver indicate? (Select two.)

The driver has been tested by Microsoft The driver file has not been altered

What are the disadvantages of plasma display technology? (Select two.)

The gasses inside the cells are sensitive to air pressure fluctuations They generate much more heat than other display types

Match each LCD type with the corresponding benefit or characteristic.

The least expensive, thinnest, and most widely used type of LCD. -WLED Able to dim specific regions of the screen. -Full-Array WLED Superior accuracy (most expensive type of backlighting technology). -RGB-LED Produces better colors than WLED (consumes more energy). -CCFL

Your projector is displaying the colors on the screen incorrectly. What is the MOST likely reason for this problem?

The source computer's resolution settings do not match the projector's resolution settings.

Your company has decided to use only SATA drives in their systems. Which of the following is true of MOST newer SATA drives?

They can be added to or removed from a system without shutting down the computer

What type of peripheral device is typically found on a laptop computer and allows the user to control the cursor with a finger?

Touch pad

Which of the following is considered a computer input device?

Touchscreen

Which type of device do you typically install a driver for before you connect the device to your system?

Usb devices

As the system administrator for a large financial institution, you have been assigned to upgrade the laptops for the sales representatives in your company. You have installed a 2-TB SSD drive in each of the laptops for quick access and storage of large multimedia files. You have also upgraded the memory to 16 GB and made sure that all the device drivers are updated. After delivering the upgraded laptops to the sales representatives, you begin to receive calls and emails saying that saving videos and other large files to the SSD drive is sluggish and sometimes impossible. Which of the following is the BEST first-step solution for trying to resolve the issue?

Use the roll back driver option in device manager to use the original SSD driver version

Match the peripheral devices on the left with the descriptions or examples on the right. Each peripheral device may be used once, more than once, or not at all. Used to scan hardware that contains an embedded microchip for authentication.

Used to scan hardware that contains an embedded microchip for authentication. -Smart Card reader Used to capture some type of analog signal and convert it into digital data. -Digitizer Can be a stand-alone device or integrated with other peripherals, such as a keyboard. -Smart Card Reader Used to scan users' unique physical features and use them to verify their identity. -Biometric Scanner Graphics tablets mostly used by graphic artists to capture hand-drawn images. -Digitizer Fingerprint Scanner -Biometric Scanner Most commonly used in retail environments at checkout stands -Barcode reader

In which of the following situations would driver rollback be the BEST option to use?

You recently installed a new video driver, and now the system behaves erratically.