单选题While discussing the specifications of replacement servers， the administrator’s manager asks what can be done to avoid the down time associated with failed hard drives on the servers. Which of the following should the administrator recommend？（）AMirror all disks to avoid replacementBPurchase servers with hot swappable drives configured in a RAIDCPurchase servers with duplicate drives configured as RAID 0DPerform timely backups
单选题
While discussing the specifications of replacement servers， the administrator’s manager asks what can be done to avoid the down time associated with failed hard drives on the servers. Which of the following should the administrator recommend？（）
A
Mirror all disks to avoid replacement
B
Purchase servers with hot swappable drives configured in a RAID
C
Purchase servers with duplicate drives configured as RAID 0
D
Perform timely backups
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