单项选择题
A. Before inserting the PCIe network card in the case
B. After inserting the new PCIe network card in the case
C. They will be automatically loaded after installation
D. Load them concurrently with the PCIe network card
单项选择题 On a laptop, special operations like wireless card on/off, volume settings, and screen brightness can generally be controlled via which of the following physical means?（）
单项选择题 Which of the following parts of a laptop screen provides illumination for the LCD?（）
单项选择题 A workstation would MOST likely be connected to an office network using which of the followingcable types?（）