Which of the following is MOST likely ...

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

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1.单项选择题A user is experiencing headaches and motion sickness symptoms when using their new computermonitor. Which of the following can a technician adjust to help the user?（）

A. Privacy filter
B. Refresh rate
C. Use a digital signal
D. Brightness

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2.单项选择题A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）

A.SATA
B.FDD
C.IDE
D.ATX

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3.单项选择题A technician installs a CD-RW drive with a feature that enables the drive to write labels directly onto the disk. The computer will burn disks but will not write labels. Which of the following should the technician do NEXT?（）

A. Reboot the computer
B. Remove the drive and reinstall
C. Install the device driver
D. Flash the BIOS

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

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

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5.单项选择题Which of the following is a laptop monitor technology that uses a backlight to produce an image on the screen?（）

A. OLED
B. Plasma
C. DLP
D. LCD

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6.单项选择题A technician is tasked with clearing all dust covering the fan vents of servers in a small office.Which of the following tools would be the BEST option?（）

A. Small vacuum
B. Air compressor
C. Compressed air can
D. Paint brush

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7.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

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8.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

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9.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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10.单项选择题A user is unsatisfied with the quality of the repair that another technician has completed on their PC. Which of the following should be done to help the user?（）

A. Agree with the user’s complaints
B. Clarify the user’s statements
C. Minimize the user’s criticism
D. Shadow the other technician on the next repair

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