单项选择题
Which of the following backup methodologies is MOST time efficient for backing up data？（）
A.Incremental B.Snapshot C.Differential D.GFS
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?（）
单项选择题 WhichofthefollowingisanadvantageofSMP？（）
