单项选择题
A.A drive assigned to an array that will only hold parity information used for rebuilding a failedarray drive.
B.An external hard drive to which all data is replicated to for recovery in the event of a failure.
C.A drive assigned to an array that will automatically be used to rebuild a failed array drive.
D.An extra drive purchased and stored in the parts cabinet to replace failed drives.
单项选择题 A company has had problems with their HVAC system being able to cool their datacenter as theyhave grown. Which of the following could BEST be used to help reduce the load on the HVACsystem?（）
单项选择题 WhichofthefollowingallowsanadministratortorecovertheMOSTdata？（）
单项选择题 WhichofthefollowingRAIDlevelswouldbeappropriategiventwodrivesandaneedforfault tolerance？（）