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
单项选择题 Which of the following is an example of a hot swappable component on a laptop?（）
单项选择题 Which of the following passive cooling methods BEST dissipates a component’s heat?（）
单项选择题 Which of the following characteristics is true of a PCIe x8 card?（）
