单选题Which of the following is the MINIMUM amount of hard drives needed for a RAID 5 array?（）A 2B 3C 4D 5

第1题：

第2题：

Which is the minimum number of drives in an RAID 10 configuration？（）

• A、2
• B、3
• C、4
• D、6

第3题：

第4题：

A server contains a 3 disk RAID 5 array. The red LED is illuminated on one of the drives. Which of the following should the server administrator perform？（）

• A、Replace the drive
• B、Restore the drive from backup
• C、Reboot the server
• D、Reconfigure RAID 5 to RAID 10

第5题：

Which of the following RAID arrays should be used to achieve the BEST fault tolerance？（）

• A、Four drives with RAID 0
• B、Four drives with RAID 3
• C、Four drives with RAID 5
• D、Four drives with RAID 10

第6题：

Which of the following describes how to calculate the amount of storage in a RAID 5 array？（）

• A、 Number of drives X capacity of the smallest drive
• B、 （Number of drives 2） X capacity of the smallest drive 
• C、 Number of drives X capacity of the largest drive
• D、 （Number of drives 1） X capacity of the smallest drive

第7题：

Which of the following is the MINIMUM number of disks necessary for a RAID 10 array？（）

• A、2
• B、3
• C、4
• D、6

第8题：

第9题：

Which of the following RAID levels can withstand the simultaneous loss of two physical drives in an array？（）

• A、 RAID 0
• B、 RAID 3
• C、 RAID 5
• D、 RAID 10

第10题：

An administrator needs to maintain 1TB of storage space for a server. A performance critical application will use this storage space for a database. The database will be replicated between multiple servers. Cost and performance are the most important considerations. Which of the following RAID configurations would be the BEST choice for the storage array?（）

• A、RAID 6 with six 250GB hard drives
• B、RAID 5 with five 250GB hard drives
• C、RAID 0 with four 250GB hard drives
• D、RAID 10 with eight 250GB hard drives