IT Essentials v6.0 Chapter 9 Exam Answers

  1. Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)
    • Laptop CPUs operate at higher clock speeds.
    • Laptop CPUs use smaller cooling devices.
    • Laptop CPUs consume more power.
    • Laptop CPUs are interchangeable with desktop CPUs.
    • Laptop CPUs are designed to produce less heat.
  2. Which laptop component makes use of throttling to reduce power consumption and heat?
    • CPU
    • motherboard
    • optical drive
    • hard drive
  3. Why are SODIMMs well suited for laptops?
    • They have a small form factor.
    • They connect to external ports.
    • They do not produce heat.
    • They are interchangeable with desktops.
  4. What is a characteristic of laptop motherboards?
    • Laptop motherboards use the same form factors as desktop motherboards.
    • Laptop motherboards are proprietary.
    • Laptop motherboards use standard form factors.
    • Laptop motherboard components are compatible with desktop motherboards.
  5. Which laptop component converts DC power to AC power?
    • fluorescent tube
    • inverter
    • power supply
    • backlight
  6. Where is a Wi-Fi antenna commonly located on a laptop?
    • on an external USB adapter
    • above the laptop screen
    • next to the keyboard
    • on the side of the laptop
  7. Which two methods can be used to configure laptop ACPI power options? (Choose two.)
    • BIOS settings
    • Windows Power Options utility
    • Windows UAC settings
    • Windows AERO theme settings
    • power dial
  8. A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?
    • None. Bluetooth connections are wireless.
    • VGA cable
    • USB cable
    • EIA/TIA 232 cable
    • parallel cable
  9. A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?
    • Control Panel > Networking and Sharing Center > Set up a new connection or network
    • Control Panel > Administrative Tools > Services
    • Control Panel > Internet Options
    • Control Panel > System > Device Manager
  10. Which technology provides laptops the ability to function on a cellular network?
    • mobile hotspot
    • Bluetooth
    • infrared
    • 802.11 Wi-Fi
  11. A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?
    • Press outward on the clips that hold the sides of the SODIMM.
    • Pull outward by holding the center of the SODIMM module.
    • Apply downward force on the SODIMM module.
    • Desolder the SODIMM module.
  12. When replacing or adding memory to a laptop, where can a technician find the maximum amount of RAM each memory slot can support?
    • BIOS
    • System Properties window
    • POST screen
    • website of manufacturer
  13. What should be done immediately after a CPU is latched in and screwed down to a laptop motherboard?
    • The heat sink should be attached to the CPU.
    • The cooling fan should be fastened to the motherboard.
    • The power cable should be attached from the cooling fan to the motherboard.
    • The locked down CPU should be protected with thermal paste.
  14. Which technology allows a mobile device to establish wireless communication with another mobile device by touching them together?
    • Bluetooth
    • NFC
    • IR
    • Lightning connector
  15. Which technology will allow a mobile device to share an Internet connection with other devices via tethering?
    • infrared
    • Bluetooth
    • near field communication
    • Wi-Fi
  16. What are two differences between an e-reader and a tablet device? (Choose two.)
    • An e-reader only supports Wi-Fi connectivity but a tablet can support both Wi-Fi and cellular connectivity.
    • An e-reader commonly has longer battery life than a tablet device.
    • A tablet device is usually lighter in weight than an e-reader.
    • A tablet device screen may be harder to read in direct sunlight than an e-reader screen.
    • A tablet uses an electronic paper technology that provides better performance than an e-reader.
  17. What type of device is commonly used to measure and collect daily activity data for achieving personal goals?
    • phablet
    • smart camera
    • fitness monitor
    • Global Positioning System
  18. A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)
    • exterior case
    • keyboard
    • CPU
    • optical drive
    • RAM
  19. To clean laptops, which two products are recommended? (Choose two.)
    • cotton swabs
    • mild cleaning solution
    • ammonia
    • rubbing alcohol
    • car wax
  20. What two steps must be taken before performing a cleaning procedure on a laptop computer? (Choose two.)
    • Disconnect the laptop from the electrical outlet.
    • Remove all installed batteries.
    • Wipe the surface of the touch pad.
    • Clean the screen with a cloth.
    • Insert the cleaning disk into the optical drive.
    • Backup the registry.
  21. What is the first step in the process of troubleshooting a laptop?
    • Identify the problem.
    • Establish probable causes.
    • Determine the exact cause.
    • Verify full functionality.
  22. What is the next step in the troubleshooting process after a solution has been implemented on a laptop?
    • Verify the solution.
    • Document the solution.
    • Ask the customer to explain the problem.
    • Return the device to the customer.
  23. While troubleshooting a mobile device, a technician determines that the battery is not holding a charge. What is the next step in the troubleshooting process?
    • Implement a solution.
    • Document the findings.
    • Determine the exact cause.
    • Verify the solution and full system functionality.
  24. A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?
    • The display properties are incorrectly set.
    • The power management features are incorrectly set.
    • The power inverter is failing.
    • The screen has been burned in.
    • One of the RAM modules is failing.
  25. A user with a company-issued smartphone notices that there is a gap at the end of the device. A technician examines the smartphone and discovers that the battery is swollen. What should the technician do next?
    • Use the smartphone until the battery is completely discharged.
    • Clean the battery leads with baking soda.
    • Replace the battery.
    • Use a multimeter to see if the output voltage is within range.

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