单项选择题 Whichofthefollowingisanadvantageofavirtualizedserverenvironment？（）

单项选择题 An administrator reboots a ten drive server, with a RAID 10 array, after a power failure and receives an error logical drive failed. Which of the following is the MOST likely cause?（）

多项选择题 Anadministratorhaspurchasedmonitoringsoftwarethatcanbeconfiguredtoalertadministrators whenhardwareandapplicationsarehavingissues.AlldevicesareconfiguredwithSNMP，butthe administratorwantstofurthersecuretheSNMPtraffic.Whichofthefollowingsettingswould BESTprovideadditionalmonitoringsecurity？（）