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
A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?
  • It issues a number of short beeps.
What are two reasons for installing a second hard disk drive inside an existing computer? (Choose two.)
  • to support a RAID array
  • to store the system swap file
Which two components are commonly replaced when a computer system with a newer motherboard is being upgraded? (Choose two.)
  • RAM
  • CPU
Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
  • amount of RAM
  • number of CPU cores

A customer has a computer for a home business but wants to have another computer as a web server. What would be the best solution for the customer to share the monitor, mouse, and keyboard between the two computers?

  • KVM switch
“Confidence comes from hours and days and weeks and years of constant work and dedication.” – A quote by whom?
  • Roger Staubach