Computer Components Final Exam

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

You have been asked to implement a RAID 5 solution for an engineer's desktop. What is the minimum number of hard drives disks that can be used to configure RAID 5?

3

One of the video editors in your company is worried that he may lose a lot of data if his hard drive fails. He has asked you to come up with a solution. To do this, you have decided to implement a RAID 10 solution on his desktop workstation. Which of the following is the MINIMUM number of hard disks that can be used?

4

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive?

48x

What is the maximum data transfer speed for USB 3.0 devices?

5 Gbps

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 partition type identifies the partition as one that holds the boot loader program used to start the OS?

Active

If you want to boot from a hard drive, what must it have?

Active partition

Which Blu-ray standard defines rewritable disks?

BD-RE

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

You have decided to install a new Ethernet network adapter in your Windows 10 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 tool to get Windows to load properly?

Boot to Safe Mode and uninstall the network driver

You have purchased a 1600x1200 LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1280x1024 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 1440x900 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

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 monitor's brightness and contrast settings using the controls on the monitor

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 to have dual monitors

You've just purchased 10 new notebook systems for your users. You are concerned that users will leave the systems on for long periods of time, which could result in display burn-in. What should you do to prevent this from happening?

Configure a screen saver on each system

You recently purchased a laptop computer. As a member of the sales team, you often travel to present sales demonstrations. At one such presentation, you notice that the images being shown by a projector seem large and somewhat skewed. Which of the following changes would MOST likely give you an accurate projection for your presentation?

Configure the projector to use a 16:9 aspect ratio

Which of the following terms describes the difference between white and black in an LCD monitor?

Contrast ratio

You are running Windows 10 on your computer. You want to decrease the time it takes to write data to your drives. To do this, you have decided to create a Windows software RAID system using a striped volume. Before you create the striped volume, which action MUST you take?

Convert basic disks to dynamic disks

You have a computer with three hard disks. A RAID 0 volume uses space on Disk 1 and Disk 2. A RAID 1 volume uses space on Disk 2 and Disk 3. Disk 2 fails. Which of the following is true?

Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not.

As you arrive on-site at a customer's place of business, you go to the front desk and ask for Mr. Magorium, the head of the IT department. Mr. Magorium meets you, introduces himself as Edward, and escorts you to the printer, which is jammed. After you fix the printer, the existing print job completes. As the paper comes out, you notice that one of them is marked confidential and has to do with an upcoming merger. You go to Mr. Magorium's and say, "Hi, Edward, your printer is fixed and working perfectly. Mr. Magorium then escorts you off the premises. When you get home that evening, you tell your spouse about the merger document you saw. The next day, you call Mr. Magorium to verify that the printer is still functioning properly. Which of the following professionalism principles is the technician failing to follow?

Deal with confidential materials appropriately

Alice recently purchased a new cell phone. After her vacation, Alice wanted 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 to her phone. 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

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

Device Manager

Which system utility would you use to troubleshoot hardware devices, examine and control the resources used by specific devices, and install updated device drivers?

Device Manager

While configuring a computer, you find that you need to create, format, and manage the partitions and volumes on your hard drives. Which of the following is the BEST command line utility to use?

DiskPart

You have just connected a new USB device to your Windows sytem. 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've just installed a new video card in a user's Windows workstation. When the system is powered on, the screen is displayed in 16 colors at 640x480 resolution. Which of the following will BEST resolve this problem?

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

You have just installed a new device in your Windows system. After installation, you can't use the device. You check Device Manager and find an icon for the device with a yellow exclamation mark over it. What should you do?

Download the latest driver from the manufacturer's website

You are a trainer for your computer 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 teaching?

Duplicate these displays

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

Enable the device in Device Manager

You have purchased a new USB drive that you want to use to troubleshoot the computers in your company's well as other network devices, such as printers and projectors. You need to format this new drive with a file system that will be recognized and used on all devices. When formatting your USB drive, which of the following file system types would meet MOST, if not all, of your needs?

FAT32

You are installing Windows 10 on a drive that was previously used for Windows 8.1. This drive has one primary partition. While installing Windows, you want to ensure that the old files are deleted and any bad sectors are located and marked as bad. To achieve your desired goal, which of the following is the best option?

Full format

What storage device uses aluminum platters for storing data?

Hard disk

Which of these is a magnetic storage device?

Hard disk

You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs?

Hard disk

Which of the following terms describes a PC card that you can insert and remove without rebooting the computer?

Hot swappable

Most devices that you install in a system require little to no configuration; they simply work after you plug them in. This is because devices are automatically assigned the system resources needed for the device to being functioning. Which of the following are the three types of system resources that are USUALLY automatically assigned?

I/O address, IRQ, DMA channel

While troubleshooting a computer, you need to view a list of all IRQs and the device using each IRQ. Which of the following options would BEST allow you to accomplish this task?

In Device Manager, click View > Resources by type

Your monitor is displaying images in strange colors. Which of the following is MOST likely the solution to this problem?

Increase the color depth

You have an existing computer running Windows 10. You want to configure a RAID 1 array in the computer. You install two new SATA drives, then use the RAID controller integrated in the motherboard to define a RAID 1 array using them. When you boot the computer, Windows does not show the logical RAID drive. What should you do?

Install the drivers for the RAID controller

You need to connect a new USB scanner to the USB port on your computer. However, the first time you plugged the scanner in, it was not recognized. What should you do?

Install the scanner drivers and then connect the scanner to the USB port and complete the Add a Device wizard when it pops up

You have three computers in your office. You would like to reduce the time it takes to move 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

You are putting together a system for a graphic artist and need to make sure you get a display that meets her needs. The display needs to have very good color reproduction quality and viewing angles. The display needs to run cool and be power efficient. Which of the following types of displays will MOST likely meet these needs?

LCD display with IPS panel

You are putting together a gaming system and need to make sure you get 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 types of displays will MOST likely meet these needs?

LCD display with TN panel

Which of the following is true of modern LCD monitors regarding backlighting?

LEDs are used to backlight the screen

You are configuring a new system and want to use a RAID 0 array for the OS using SATA disks and the RAID functionality built into the motherboard. Which of the following actions will you take as part of the configuration?

Load the RAID drivers during operating system installation

You are in the process of preparing a storage device and must determine which file system to use. Which of the following BEST describes the advantage of using the exFAT file system rather than NTFS?

Lower memory and processor resource use

You are trying to connect a new USB device to your computer. You install the driver, 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

A salesperson requires that a large number of document, data, presentation, image, and video files be accessible on their personal mobile device when making sales pitches to new customers. A cloud solution is not feasible, since cellular and internet connections are not always guaranteed at a customer site. Which of the following accessories would a technician suggest to BEST meet the sales person's requirements?

Micro SD card

What is required to control access to the file system using file and folder permissions on a Windows-based computer?

NTFS-formatted partition

What method does an SD card use for storing data?

Non-volatile memory chips

Lloyd works for a graphic design company. He needs a monitor that accurately represents colors. Lloyd's monitor recently failed, and you have been asked to purchase a new one. You have been asked to find a monitor with a fast pixel refresh rate, low energy consumption, and very accurate colors representation. Which of the following types of display devices will BEST meet the requirements requested?

OLED

Device manufacturers are constantly finding bugs, vulnerabilities, or better ways for their devices to communicate with the operating system. Because of this, what should you do before you install a new device?

Obtain the latest driver from the manufacturer's website

A company is purchasing new laptops for their graphic artist division. Which of the following display technologies provides better constrast and deeper blacks, resulting in better picture quality?

Organic light-emitting diode (OLED)

Which of the following terms refers to a network resource sharing model that uses access control lists saved on each computer?

Peer-to-peer

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

Which of the following tasks would you complete as part of a SATA installation?

Plug the 15-pin power connector into the SATA drive

Due to a blackout, power is no longer coming from the wall outlet and your computer is now off. You do not have a UPS and you need to remove a disc out of the DVD drive. What is the easiest method to retrieving the disk?

Push an unbent paper clip into the hole on the front of the drive

You are building a new computer that will contain two hard disks. To provide increased performance, you have decided to configure the drives using RAID technology. Which of the following BEST meet your needs?

RAID 0

You have been asked to configure the drives in a computer. The end user want to use striping without incorporating any fault tolerance. Which of the following will BEST meet these requirements?

RAID 0

Ben is concerned about losing data due to a hard disk failure. His computer will only supports maximum of three disks. To protect his data, you have decided to use RAID (redundant array of independent disks). Which of the following RAID types would give Ben the BEST mirrored data protection?

RAID 1

One of your customers wants you to build a personal server that he can use in his home. One of his concerns s making sure he has at least one backup of their data stored on the server in the event that a disk fails. You have decided to back up his data using RAID. Since this server is for personal use only, the customer wants to keep costs down. Therefore, he would like to keep the number of drives to a minimum. Which of the following RAID systems would BEST meet the customer's specifications?

RAID 1

Which of the following drive configurations uses striping with parity for fault tolerance?

RAID 5

What is the advantage of RAID 5 over RAID 1?

RAID 5 improves performance over RAID 1

You have 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 mounted in 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

You have just installed a new hardware device, upgraded the driver, and installed the custom software that came with the device. Now you can't get the device to work. Which of the following troubleshooting steps is the BEST to try first?

Run any diagnostic software that came with the device

Which interface is primarily used for internal HDDs in modern desktop PC systems?

SATA

Which of the following is the most common disk interface used for optical drives on home and office computers?

SATA

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280x1024 with 32-bit color. The geometry of the images displayed on the screen appear to be distorted. What should you do to correct the problem?

Set the display resolution to the native resolution of the monitor

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280x768 with 32-bit color. The images displayed on the screen appear to be overly large. What should you do to correct the problem?

Set the display resolution to the native resolution of the monitor

You recently upgraded a client's older workstations from Windows 7 to Windows 10. 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 effect for best performance

You want to set up a Windows system to also be able to boot Linux. To be able to dual boot, the system needs a partition on which to install Linux. However, you don't have an extra hard disk that can be used for the Linux partition. The existing disk has no unpartitioned space available, but it has about 300 GB of free space. Which of the following disk management operations will BEST prepare your hard disk for dual boot?

Shrink the primary partition

Which optical media has the greatest storage capacity?

Single layer, single-sided Blu-ray disc

Susan works in the research and development department. She has recently purchased a large high-speed external drive and has attached the drive to her computer using a USB cable. Her drive requires a minimum bandwidth of 400 Mbps and at least 900 milliamps (mA) to function. Although the correct drivers are installed, the drive is not functioning. To troubleshoot the problem, she has connected her drive to her coworker's computer where the drive functions properly. No additional cables are required for this drive. Which of the following is the MOST likely reason Susan's external hard drive is not working?

Susan has connected her drive to a USB 2.0 port, which does not have enough power for her drive.

The marketing department has hired a new employee. Prior to the new employee's first day at work, you have set up and configured a new laptop computer. The computer and all the peripherals were purchased from the same vendor. After the new employee begins work, you receive a phone call stating that the wireless mouse is not working. Which of the following is the MOST likely reason the mouse isn't working?

The USB mouse receiver is not plugged into the computer

Which of the following is true about primary partitions?

The active partition must be a primary partition

You have installed a device in your system and the system does not recognize the device. Which of the following BEST describes why the device was not discovered?

The device does not support plug and play

Your company has just upgraded your laptop computer. After receiving your new computer, you plug your external USB 2.0 hard disk into your new USB 3.0 port. Which of the following is the MOST accurate statement regarding how this device will function?

The device will work, but will only transfer at USB 2.0 speeds

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 an input device?

Touch screen

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following is the MOST common interface for peripheral devices?

USB

Which of the following standards provides data transfer rates up to 480 Mbps with a maximum cable length of 5 meters?

USB 2.0

For which type of device will you typically install the driver before you connect the device to your system?

USB devices

You have an extra disks on your system that has three primary partitions and an extended partition with two logical drives. You want to convert the partitions to simple volumes, preferably without losing any data. Which of the following is the BEST step to perform?

Upgrade the disk to a dynamic disk

You work for a small company as the human resources specialist. Since the company is fairly small, you are maintaining all of the employee information on your desktop computer, which is running Windows 10. This computer has two high-capacity hard disks. You want to ensure that this information is protected from a hard disk failure, so you want to set up a Windows software RAID system. Which of the following would be your BEST solution?

Use mirrored volumes

What is the difference between UXGA and WUXGA displays?

WUXGA has a widescreen aspect ratio

In which of the following situation would driver rollback be the BEST tool to use?

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

Which of the following conditions would prevent you from using a GUID Partition table (GPT) when setting up a disk drive?

You're setting up the drive to boot Windows 10 on a computer that uses traditional BIOS

Joseph has started using virtual machines (VMs) to help his software development process. As the number of VMs has increased, Joseph has noticed that his hard drive is almost full. He would like to buy and connect an external hard drive where additional VMs can be stored. When the drive arrives, you find it has the type of connector shown in image 1. Which type of connector is on the external hard drive?

eSATA