单选题Which of the following BEST describes the difference between RAID 5 and RAID 6？（）ARAID 5 uses a dedicated parity drive and RAID 6 does not.BRAID 6 uses a dedicated parity drive and RAID 5 does not.CRAID 6 uses more parity drives than RAID 5.DRAID 5 use

第1题：

RAID 5 can be BEST described as which of the following?（）

• A、Mirroring with striping
• B、Striping with dedicated parity
• C、Striping with distributed parity
• D、Independent disks with shared parity

第2题：

A system administrator needs to maintain 1.2TB of storage for a database server. There are six 250GB drives available in the server for storage space. Which of the following RAID configurations would be the BEST choice given that performance and fault tolerance are important factors?（）

• A、RAID 1 across drive pairs totaling 3 pairs
• B、RAID 5 across all 6 drives
• C、RAID 10 across all 6 drives
• D、RAID 0 across all 6 drives

第3题：

Which of the following BEST describes RAID 5？（）

• A、 RAID 5 is data striping across all drives.
• B、 RAID 5 is data striping with a dedicated parity drive.
• C、 RAID 5 is striped sets with two sets of parity striped across all drives.
• D、 RAID 5 is striped sets with parity striped across all drives.

第4题：

Which of the following stripes data at the bit level and uses a dedicated disk for parity？（）

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

第5题：

Which of the following describes the difference between hardware and software RAID technologies？（）

• A、Software RAID offers more storage possibilities than hardware RAID
• B、Hardware RAID performs faster than software RAID
• C、Hardware RAID is less expensive than software RAID
• D、Software RAID volumes are compatible with any OS and hardware RAID volumes are not

第6题：

A banking customer is confused about RAID protection. Which of the following are characteristic of RAID-6？（）

• A、Double drive failure in an array and extremely high data fault tolerance
• B、Double drive failure in an array and more total storage capacity than RAID-5
• C、Extremely high data fault tolerance and higher performance than RAID-5
• D、Higher performance than RAID-5 and more total storage capacity than RAID-5

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第13题：

An administrator is building a server that will run a data warehousing application.The server was ordered with eight 300GB drives.The application requires a dedicated storage location for the OS and one for critical files.The critical file storage needs fast access but must provide high redundancy.The OS requires 100GB and the file requires 950GB.Which of the following configurations will BEST suit the data warehouse needs？（）

• A、OS：3 Drives，RAID 1 with hot spare；Files：5 Drives，RAID 5 with hot spare
• B、OS：2 Drives，RAID 1；Files：6 Drives，RAID 1
• C、OS：2 Drives，RAID 0；Files：6 Drives，RAID 5
• D、OS：2 Drives，RAID 1；Files：6 Drives，RAID 5 with hot spare

第14题：

Given four drives， which of the following RAID levels will allow for the GREATEST performance？（）

• A、RAID 0
• B、RAID 5
• C、RAID 6
• D、RAID 10

第15题：

Which of the following BEST describes the difference between RAID 5 and RAID 6？（）

• A、 RAID 5 uses a dedicated parity drive and RAID 6 does not.
• B、 RAID 6 uses a dedicated parity drive and RAID 5 does not.
• C、 RAID 6 uses more parity drives than RAID 5.
• D、 RAID 5 uses more parity drives than RAID 6.

第16题：

Which of the following stripes data at the block level and does not have a dedicated disk for parity？（）

• A、RAID 1 and RAID 5
• B、RAID 2 and RAID 10
• C、RAID 3 and RAID 0
• D、RAID 0 and RAID 5

第17题：

Which of the following RAID levels supports fault tolerance by writing parity to only one drive in the array？（）

• A、 RAID 3
• B、 RAID 5
• C、 RAID 6
• D、 RAID 10

第18题：

IBM DS5000 systems supports RAID 6. RAID 6 support has two parity bits so that the system cansupport two drive failures. Which of the following items is the IBM designation for this feature onthe DS5000？（）

• A、6 P+Q
• B、6 D+P
• C、6 D P
• D、RAID DP

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