Which of the following RAID levels requires ONLY two drives and provides mirroring?()A.RAID0B.RAID1C.RAID5D.RAID10

题目
Which of the following RAID levels requires ONLY two drives and provides mirroring?()

A.RAID0

B.RAID1

C.RAID5

D.RAID10

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更多“Which of the following RAID levels requires ONLY two drives and provides mirroring?() ”相关问题

  • 第1题：

    Provides 3 properties that make an OS, a RTOS?


    正确答案：
     

  • 第2题：

    Anadministratorisbuildingaserverthatwillrunadatawarehousingapplication.Theserverwas orderedwitheight300GBdrives.TheapplicationrequiresadedicatedstoragelocationfortheOS andoneforcriticalfiles.Thecriticalfilestorageneedsfastaccessbutmustprovidehigh redundancy.TheOSrequires100GBandthefilerequires950GB.Whichofthefollowing configurationswillBESTsuitthedatawarehouseneeds？（）

    A.OS：3Drives，RAID1 withhotspare；Files：5Drives，RAID5withhotspare

    B.OS：2Drives，RAID1；Files：6Drives，RAID1

    C.OS：2Drives，RAID0；Files：6Drives，RAID5

    D.OS：2Drives，RAID1；Files：6Drives，RAID5withhotspare


    参考答案：D

  • 第3题：

    Which of the following is a benefit of the IBM Long Term File System (LTFS)? ()

    A. management of the library files

    B. management of the encryption keys and archives

    C. helps to reduce tape, file management and archive costs

    D. helps to control the write speed matching on LTO-4 drives


    参考答案：C

  • 第4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


    参考答案：B

  • 第5题：

    Which of the following statements is mot correct about mirroring?()

    A.Mirroring, with the write-verify option turned on, can be used to increase performance.

    B.Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.

    C.Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.

    D.Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.


    参考答案：C

  • 第6题：

    AcustomerhaspurchasedanIBMBladeCenterHchassisandneedsthefollowingservers：--TwoHS21bladeserverseachwith8GBmemoryand2drives--TwoHS21bladeserverseachwith24GBmemoryand2drives--TwoLS21bladeserverseachwith2GBmemoryand2Hot-SwapSCSIdrivesHowmanytotalserverbayswillberequiredforthisconfiguration？（）

    A.6

    B.8

    C.10

    D.12


    参考答案：C

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