单项选择题
A. FTP server
B. PXE support
C. CUPS
D. Installation CD
单项选择题 Ahighavailabilitysolutionmustbedesignedforasinglefileserver.Datamustbereplicated betweenthediskstoensureafailureofonediskdoesnotbringdowntheserver.Whichofthefollowingmeetstheserequirements？（）
单项选择题 InwhichofthefollowingplacesisitBESTtoputthepagingsystemfile？（）
单项选择题 Which of the following backup methodologies is MOST time efficient for restoring data?（）