单项选择题
A user wants to install an external hard drive using the fastest connection available. Which of the following should the technician recommend?（）
A.USB 1.1
B.eSATA
C.USB 2.0
D.IEEE 1394
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A. Internal wireless adapter
B. CPU
C. PCMCIA card
D. RAM -
单项选择题
Which of the following passive cooling methods BEST dissipates a component’s heat?（）
A. Heatsink
B. Fan
C. Liquid cooling
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单项选择题
Which of the following characteristics is true of a PCIe x8 card?（）
A. It can use only IRQ8.
B. It uses eight memory addresses for storage of data.
C. It has eight lanes by which data is transmitted.
D. It has eight times the bandwidth of a standard PCI card.
