单项选择题
Which of the following system utilities would be used to change a drive type from dynamic tobasic?（）
A. System Partition Manager
B. NTBACKUP
C. Device Manager
D. Disk Management
单项选择题 On a Windows Vista system, the default location for user data is in which of the followinglocations?（）
单项选择题 A network printer will not print. The printer is online and visible. All the print jobs complete but the printer will not operate. Which of the following is the MOST likely cause?（）
单项选择题 The local library has several public desktops and is concerned about PCs being opened andcomponents being stolen. Which of the following could prevent this?（）