单项选择题
A.802.11a
B.802.11b
C.802.11g
D.802.11n
单项选择题 A Windows XP Professional PC needs to be checked for compatibility before being upgraded toWindows Vista Business. Which of the following would be the BEST action to take before theupgrade?()
多项选择题 Which of the following methods can be used to apply a file system to a hard drive partition?()
单项选择题 A user wants to install a new game and needs to make sure the proper version of DirectX isinstalled. Which of the following is the BEST way to check for the DirectX version?()