单项选择题
A. Lower cost
B. Allows two RAID 1 drives to simultaneously fail without losing any data
C. Enhanced fault tolerance
D. Enhanced performance
单项选择题 Whichofthefollowingstripesdataatthebitlevelandusesadedicateddiskforparity？（）
单项选择题 An administrator is installing Windows Server 2003 via CD on a new server with an SAS RAID array.When the administrator reaches the option to select the target installation drive， there are no drives listed. Which of the following is the FIRST thing the administrator should do？（）
单项选择题 Theserveradministratordiscoversthataserver，whichhasnotbeenpatched，isrunningextremelyslowandsuspectsthattheservermayhavebeencompromised.Whichofthefollowing commandsshouldtheadministratorusetocheckthenumberofnetworkconnectionstheserveris making？（）