A technician has been asked to configure several computers with RAID. The customer needs protection if one drive fails, fast access, and drive capacity. Which RAID should the technician install?
  • RAID 5
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1?
  • 2
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 10?
  • 4
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 5?
  • 3
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1?
  • 3
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 6?
  • 3
A user reports that every morning when a particular computer is turned on, the configuration settings on that computer have to be reset. What action should be taken to remedy this situation?
  • Replace the CMOS battery.
Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?
  • execute disable bit
A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency?
  • an SSD
What is the purpose of LoJack?
  • It allows the owner of a device to remotely locate, lock, or delete all files from the device.
Which is a BIOS security feature that can prevent data from being read from a hard drive even if the hard drive is moved to another computer?
  • drive encryption
What characteristic of electricity is expressed in watts?
  • the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
What is indicated by the contrast ratio of a monitor?
  • the difference in the intensity of light between the brightest white and darkest black that can be displayed
Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?
  • HDMI
What makes CRT monitor disposal dangerous for a technician who is handling the disposal?
  • potential residual high voltage
How do an inline UPS protect computer equipment against electrical power brownouts and blackouts?
  • by using a battery to supply a constant level of voltage
A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?
  • during the POST