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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单项选择题

Which of the following is an example of a hot swappable component on a laptop?（）

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
D. Compressed air

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.