单项选择题
A. RAID 0 configuration
B. PBX software
C. DHCP server
D. Anti-virus software
单项选择题 Anadministratorinstallednewcomponentsonaserver.Afterthedeviceinstallation，twoofthe componentsfail.Whichofthefollowingisthecauseoftheproblem？（）
单项选择题 Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?（）
单项选择题 WhichofthefollowingshouldanadministratorutilizeFIRSTafterinstallinganewHBA？（）