单项选择题 WhichofthefollowingistheFIRSTthingtoconsiderwhendesigninganemailretentionpolicy？（）

单项选择题 WhichofthefollowingreplicationmethodsisMOSTfaulttolerant？（）

单项选择题 Users are having trouble printing in terminal services. The administrator finds that whenever acertain user prints the print spooler crashes.  Which of the following is the MOST likely problem？（）