CompTIA JK0-802 Online Practice Questions and Exam Preparation

CompTIA JK0-802 Online Questions & Answers

• Question 441:

  A technician is tasked with upgrading a network card on a Windows 7 Professional PC. The technician installs the network card, loads Windows XP drivers that came with the network card, and reboots the PC. Upon rebooting, the computer blue screens and the technician cannot get the computer to boot up properly. Which of the following should the technician perform to resolve this issue without any data loss? (Select TWO).

  A. Remove network drivers
  B. Install Windows XP Service Pack 3
  C. Reinstall Windows 7 Professional
  D. Install Windows 7 Service Pack 1
  E. Boot up in safe mode
  A. Remove network drivers
  E. Boot up in safe mode

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  The best way to solve this issue is to remove network drivers and restart the computer. Boot up in safe mode and reinstall the drivers.

• Question 442:

  A user's CRT monitor was damaged by a large magnet, resulting in a distorted image. Which of the following can a technician do to BEST safely fix the monitor?

  A. Replace cathode ray tube
  B. Power cycle the monitor
  C. Run degaussing tools
  D. Adjust monitor's brightness
  C. Run degaussing tools

• Question 443:

  Which of the following is the BEST definition of what an accelerometer does?

  A. Prolongs battery life
  B. Calculates the rotation of a device
  C. Measures velocity in a given direction
  D. Makes the device run with more speed
  C. Measures velocity in a given direction

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  Reference: http://en.wikipedia.org/wiki/Accelerometer

• Question 444:

  Which of the following should a technician do LAST after cleaning up a virus infection?

  A. Enable system restore and create restore point
  B. Update antivirus software
  C. Schedule scans and updates
  D. Educate the end user
  D. Educate the end user

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  Most of the time users install virus, Trojans and other malicious codes on their computers unknowingly. The best to prevent this loophole is to educate the user about viruses and where to look and what to do to prevent installing malicious codes.

• Question 445:

  Which of the following statements is true about XP mode in Windows 7?

  A. Windows XP mode was only available in Windows Vista and it is not available in Windows 7.
  B. Only the Professional and the Ultimate versions support Windows XP mode.
  C. All versions of Windows 7 support Windows XP mode when the feature is installed.
  D. Only the Ultimate version of Windows 7 supports Windows XP mode.
  B. Only the Professional and the Ultimate versions support Windows XP mode.

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  Reference: http://windows.microsoft.com/en-us/windows7/install-and-use-windows-xp- mode-in-windows-7

• Question 446:

  Which of the following can be used to help recover a lost smartphone?

  A. Remote support software
  B. Locator application
  C. NFC enabled device
  D. GPS navigation software
  B. Locator application

• Question 447:

  Which of the following types of security threats is delivered primarily via email?

  A. Phishing
  B. Rootkits
  C. Viruses
  D. Grayware
  A. Phishing

• Question 448:

  Joe, a technician, is sent out to investigate a PC which refuses to turn on for a customer after a recent thunderstorm. Upon arrival, Joe notices a heavy scent of what seems to have been an electrical burn.

  Which of the following PC components would be MOST likely at fault for the failure?

  A. ODD
  B. CPU
  C. HDD
  D. PSU
  D. PSU

• Question 449:

  A user, Anne, downloaded an Android app directly from a developer's website and is unable to install it on her smartphone. Which of the following will allow Anne to install the app?

  A. Install a recovery image
  B. Allow apps from unknown sources
  C. Enable near field communication
  D. Gain root access
  B. Allow apps from unknown sources

• Question 450:

  A user is receiving an error message of "paper jam in tray 1" every time a print job is sent to the printer. Which of the following should the technician do NEXT, after verifying that there are no visible paper jams in the printer?

  A. Reset the page count on the printer.
  B. Check if the pick up rollers are worn out.
  C. Reinstall the printer driver.
  D. Replace the paper tray 1.
  B. Check if the pick up rollers are worn out.