单项选择题 WhichofthefollowingbackupmethodologiesisMOSTtimeefficientforbackingupdata？（）

单项选择题 WhichofthefollowingisanappropriatereasonforadjustingtheSNMPthresholds？（）

单项选择题 Which of the following server virtualization features would BEST allow an administrator to quickly prepare a virtual server so that it is ready for use?（）