Which of the following RAM types is us...

单项选择题Which of the following RAM types is used if it is labeled as 4 GB PC1333?（）

A.RAMBUS
B.DDR3
C.SDIMM
D.SIM

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1.单项选择题The BIOS settings on a gaming laptop shows the current CPU speed at 3.5GHz. The defaultspeed specification of the CPU is 3.2 GHz with FSB at 800 MHz and locked CPU multiplier at 4x.Which of the following speed settings needs to be changed in the BIOS in order to run the CPU on its default frequency? （）

A. RAM CAS latency
B. FSB
C. FSB to CPU ratio
D. Multiplier

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2.单项选择题Which of the following is enabled in the BIOS that will prompt a user to enter their password every time the laptop performs a POST?（）

A. Power User access
B. Power on password
C. Administrative password
D. User profile access

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3.单项选择题A technician replacing a CRT monitor and the battery inside of a UPS wishes to dispose of thereplaced hardware. Which of the following should the technician do to BEST ensure properdisposal?（）

A. Store equipment in IT inventory.
B. Donate to a local nonprofit organization.
C. Follow local government regulations for disposal.
D. Affix MSDS sheet to items for the waste management company.

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4.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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5.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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6.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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7.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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8.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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9.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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10.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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