CompTIA JK0-802 Online Practice Questions and Exam Preparation

CompTIA JK0-802 Online Questions & Answers

• Question 781:

  A technician is trying to remove a resilient computer virus. The virus keeps coming back after rebooting the system because some program or service has locked some of the virus' files and is preventing the AV from cleaning the system. Which of the following is the BEST approach to try and remove the virus while minimizing negative impact to the system?

  A. Use REGSRV32 to deregister the virus DLLs.
  B. Run the antivirus after rebooting in safe mode.
  C. Use the repair disk and follow the prompts.
  D. Use the recovery console to disable all windows services.
  B. Run the antivirus after rebooting in safe mode.

• Question 782:

  Which of the following locations would a technician use to add a Windows 7 computer to a domain?

  A. System Properties
  B. Windows Defender
  C. Network and Sharing Center
  D. Device Manager
  A. System Properties

• Question 783:

  A wireless network is experiencing intermittent connectivity. Which of the following would BEST resolve this issue?

  A. Enable MAC filtering
  B. Change broadcast channel
  C. Enable wireless encryption
  D. Disable SSID broadcasting
  B. Change broadcast channel

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  Reference: http://lifehacker.com/5580636/change-your-wi+fi-routers-broadcast-channel-for- a-stronger-connection

• Question 784:

  A technician troubleshoots a broken PC only to find that a strong burning odor is coming from inside the case. Which of the following parts MOST likely experienced a level of electrical burn?

  A. PSU
  B. Processor
  C. CMOS battery
  D. Hard drive
  A. PSU

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  Reference: http://forums.thinkbroadband.com/hardware/4194025-that-acrid-electrical- burning-smell.html?fpart=allandvc=1

• Question 785:

  The benefit of MAC filtering in wireless networking is that the network:

  A. is encrypted.
  B. is not visible.
  C. uses static IP addresses.
  D. is more secure.
  D. is more secure.

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  Reference: http://compnetworking.about.com/cs/wirelessproducts/qt/macaddress.htm

• Question 786:

  A SOHO network with nine workstations all connected to a switch is located in a room that visitors can enter. A technician wants to make the network secure from visitors. Which of the following would be the BEST solution?

  A. Enable QoS settings
  B. Create strong network usernames and passwords
  C. Disable all unused ports on the switch
  D. Ask administration to label the room off limits to visitors
  C. Disable all unused ports on the switch

• Question 787:

  Which of the following wireless standards used on modern smartphones depends on direct client-to-client handshake pin code authorization for establishing transmission connection?

  A. 802.11n Wi-Fi
  B. WiMAX
  C. Infrared
  D. Bluetooth
  D. Bluetooth

• Question 788:

  A user has installed a legacy application in Windows 7 and reports that only some of the functionality in it is operational. Another user is using the same application on a different Windows 7 machine and doesn't report those problems. Which

  of the following features in Windows 7 may be responsible for this problem?

  A. System Protection settings
  B. User Account Control
  C. Action Center
  D. Data Execution Prevention
  B. User Account Control

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  Reference: http://windows.microsoft.com/en-us/windows7/products/features/user-account- control

• Question 789:

  A technician needs to view some hidden files on the client's computer. Which of the following utilities would the technician use to unhide these files?

  A. Action Center
  B. Utility Manger
  C. Offline Files
  D. Folder Options
  D. Folder Options

• Question 790:

  A company would like to prevent commonly known social engineering risks. Which of the following would help mitigate these risks?

  A. Annual security training
  B. Install new switches
  C. Review security policies
  D. Require 180 day password expiration
  A. Annual security training