CompTIA认证考试220-604单项选择题每日一练(2018.12.25)

单项选择题
Which of the following item colorizes the paper using a two-component laser printer？（）
A.ribbon
B.developer
C.laser beam
D.toner
单项选择题
A customer has security concerns about classified local data being compromised if the laptop isstolen. The customers laptop has Windows 2000 utilizing the FAT16 file system. Which of the following actions should be taken？（）
A.Upgrade the operating system to Windows XP Home.
B.Have the customer convert to NTFS and enable data encryption.
C.Tell the customer that a laptop should not be used for classified data.
D.Configure the wireless adapter to only connect to secure networks.
单项选择题
Which of the following is the process a scanner uses to scan images to a computer？（）
A.Light is shown through the image and onto the scanner head
B.Light is reflected off a mirror onto the Charged Coupled Device （CCD）
C.Light is flashed off a mirror onto the CCD
D.Light is reflected off the image and into a camera
单项选择题
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？（）
A.Move the power supply voltage switch to 220 volts.
B.Add an additional fan to help cool the computer.
C.Replace the cable that attaches the power supply to the motherboard.
D.Replace the power supply.
单项选择题
When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？（）
A.Check for the latest video drivers.
B.Install a known-good video adapter.
C.Attach the monitor to a known-good computer.
D.Replace the monitor.