单项选择题
A.External RAID array on an existing server
B.Network Attached Storage
C.Storage Area Network
D.Tape library
单项选择题 Atechniciansupportsusersinaclient/serverenvironment.Ausersuddenlycannotaccessany networkresources.Theusertriedtologontoaknownworkingcomputerbutwasunsuccessful.WhichofthefollowingshouldthetechniciancheckFIRST？（）
单项选择题 Atechnicianneedstobuildaserverwithatleast16GBofRAMandWindows2008R2asthe operatingsystem.Whichofthefollowingprocessorsshouldthetechnicianchoose？（）
单项选择题 Ahypervisorisusedtodowhichofthefollowing？（）