单项选择题A computer’s case fan protects against which of the following environmental concerns?()

A. Pressure
B. Heat
C. Brown out
D. Cold


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1.单项选择题Which of the following is MOST likely a managed, Layer 3 device?()

A.Router
B.Bridge
C.Hub
D.Switch

5.单项选择题Which of the following displays has the HIGHEST Hz frequency?()

A.Plasma
B.LED
C.CRT
D.LCD

8.单项选择题Which of the following laptop hardware components requires a re-soldering process in order toreplace properly?()

A. Mini PCIe wireless card
B. Heat sink
C. DC jack
D. Li-Ion battery

9.单项选择题Which of the following computer types would benefit MOST from the installation of a water cooling setup?()

A. Gaming PC
B. Home theater PC
C. Thick client
D. Thin client

10.单项选择题A technician has identified prohibited content on a user’s hard drive. Which of the following should be done NEXT?()

A. Warn the user
B. Report through proper channels
C. Wipe the drive
D. Give the computer back to the user

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Which of the following is the maximum FAT32 volume size Windows 2000 and XP will recognize? ()

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A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? ()

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A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?()

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A technician notices that there is a second partition on the primary hard drive. This partitionis notassigned a drive letter and is not accessible from Windows. Which of the following is the MOST likely explanation for this extra partition?()

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Which of the following commands verifies connectivity between two hosts?()

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A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?()

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A technician receives a boot error message OS not found. Which of the following should thetechnician check? ()

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The BEST information to document when changing the refresh rate on the display is to include:()

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Which of the following BEST describes the initial process of setting up a new operating system from a CD-ROM? ()

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Which of the following hardware is hot pluggable?()

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