单项选择题
A. BOOT.INI file is configured incorrectly
B. Corrupt MBR
C. Boot sector virus
D. System file is missing components
单项选择题 Which of the following steps enables offline files in Windows 2000 and Windows XP?（）
多项选择题 A user would like to have a roaming profile configured. Which of the following is necessary when setting up a roaming profile? （）(Select TWO).
多项选择题 A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).