IEEE 1394b has a maximum transfer rate...

单项选择题IEEE 1394b has a maximum transfer rate of:（）

A. 400 Mbps.
B. 480 Mbps.
C. 800 Mbps.
D. 1024 Mbps.

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1.单项选择题Older video cards used S-video to output to a TV. This standard has been replaced by:（）

A. FireWire.
B. SCSI.
C. coaxial.
D. HDMI.

2.单项选择题A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）

A. Native resolution
B. Color depth
C. Minimum brightness
D. Maximum brightness

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3.单项选择题When a power supply does not meet minimum requirements for a motherboard, which of thefollowing can happen?（）

A. Computer will not POST
B. Computer will overheat
C. Monitor will not power on
D. Processor will not run at proper speed

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4.单项选择题The MAXIMUM transfer rate of eSATA is:（）

A. 1.54 Mbps.
B. 2.0 Gbps.
C. 3.0 Gbps.
D. 480 Mbps.

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5.单项选择题Which of the following is the MAXIMUM theoretical transfer rate of an IDE cable?（）

A. 1.54 Mbps
B. 3.0 Gbps
C. 133 Mbps
D. 480 Mbps

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6.多项选择题Which of the following are types of front panel connectors?（）

A. BNC
B. VGA
C. Mini-jack port
D. PCIe
E. IEEE 1394

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7.单项选择题A customer, who brings their laptop to work on a daily basis, calls to ask for the best way to add USB ports and an additional network card to their laptop. Which of the following would meet the user’s requirements?（）

A. Docking station
B. Self powered USB hub
C. KVM switch
D. Non-powered USB hub

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8.单项选择题A manager calls with an urgent issue and needs their machine fixed as soon as possible. Thetechnician arrives and the office is empty, however there are several confidential papers on the desk. Which of the following should the technician do NEXT?（）

A. Wait for the manager to return to clear the papers.
B. Move the papers to the manager’s filing cabinet.
C. Return to the work area with another employee.
D. Begin work on the manager’s machine immediately.

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9.单项选择题Which of the following memory types has 184 pins?（）

A.DDR3
B.DDR
C.SDRAM
D.DDR2

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10.单项选择题Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）

A. Acquire the appropriate tools that are going to be used.
B. Touch the case to discharge static.
C. Remove loose jewelry.
D. Refer to manufacturer documentation.

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