單項(xiàng)選擇題

A user’s workstation currently has four connected IDE devices. Which of the following could be added to the workstation to allow more ATA devices to be added to the workstation?（）

A. Network Interface card
B. Port expansion card
C. Serial interface card
D. Modem card

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單項(xiàng)選擇題

A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）

A. If the wireless is enabled
B. If the laptop is connected to the correct gateway
C. If the SSID is enabled
D. If the DHCP address scheme is correct

單項(xiàng)選擇題

Which of the following commands should Karen, a technician, use to examine and restoreprotected system files?（）

A.SFC
B.RECOVER
C.REPLACE
D.COPY