参考答案和解析
正确答案:A,B
更多“partition的哪些属性是在spark进行数据切分的时候决定的()A、partition大小B、partition个数C、partiton的所有者D、parrtition的一切”相关问题
  • 第1题:

    spark在进行数据切分的时候,下列哪些属性和partition划分有关()

    • A、partition大小
    • B、partition个数
    • C、partiton的所有者
    • D、parrtition的一切

    正确答案:A,B

  • 第2题:

    spark切分完的partition的个数必须与block一致


    正确答案:正确

  • 第3题:

    用Ghost进行分区对拷(复制),需要选择的命令是()

    • A、“LOCAL”→“DISK”→“TO PARTITION”
    • B、“LOCAL”→“PARTITION”→“FROM IMAGE”
    • C、“LOCAL”→“DISK”→“TO DISK”
    • D、“LOCAL”→“PARTITION”→“TO PARTITION”

    正确答案:D

  • 第4题:

    利用磁盘备份软件ghost进行Windows系统镜像后,存在本地磁盘非系统盘符。在DOS下进行系统还原时,应选择()。

    • A、disk to disk
    • B、image to disk
    • C、partition from image
    • D、partiton to image

    正确答案:C

  • 第5题:

    下列关于kafka中的partition说法正确的是()

    • A、partition是逻辑存在的
    • B、partition是最小的逻辑单元
    • C、topic是真正数据存储的地方
    • D、partition不存储数据

    正确答案:C

  • 第6题:

    spark架构在整个计算过程中,其partition个数是不可变的


    正确答案:错误

  • 第7题:

    在FDISK中,以下哪一项可能显示当前磁盘的分区信息()

    • A、Create DOS partition or Logical DOS Drive
    • B、Set active partition
    • C、Delete partition or Logincal DOS Drive
    • D、Display partition information

    正确答案:D

  • 第8题:

    If the ADD DBPARTITIONNUM command is used to add a new database partition to an existing DB2 instance,which statement is correct? ()

    • A、All existing databases in the instance are expanded to the new database partition but data cannot be stored on the newpartition until it has been added to a partition group.  
    • B、Database partition groups within existing databases will automatically include the new database partition and willredistribute their existing data to the new partition.  
    • C、Any single partition databases within the instance will automatically become multi-partition databases once the newpartition is added to the instance.  
    • D、A database administrator would need to modify the db2nodes.cfg file to complete the addition of the new partition tothe instance.

    正确答案:A

  • 第9题:

    Company.com is having trouble installing a fresh AIX image onto a newly defined partition on a p5-520. The assignment of the adapters to the each of the partitions is as follows: Fibre Channel Card 01 - partition one - required  Fibre Channel Card 02 - partition one - required  SCSI adapter 01 - partition one - desired  IDE adapter 01 - partition one - required  Ethernet adapter 01 - partition one - required  Ethernet adapter 01 - partition two - required  SCSI adapter 02 - partition two - required  IDE adapter 01 - partition two - desired  Which of the following actions will enable the installation of the AIX image?()

    • A、Change the IDE adapter from desired to required in partition two and restart the partition to release the resource.
    • B、Purchase a SCSI DVD-ROM drive to connect to the SCSI adapter in partition two.
    • C、Purchase an LTO tape drive so that a system image backup can be created to install a new AIX partition.
    • D、Change the IDE adapter from required to desired in partition one and restart the partition to release the resource.

    正确答案:D

  • 第10题:

    单选题
    Company.com is having trouble installing a fresh AIX image onto a newly defined partition on a p5-520. The assignment of the adapters to the each of the partitions is as follows: Fibre Channel Card 01 - partition one - required  Fibre Channel Card 02 - partition one - required  SCSI adapter 01 - partition one - desired  IDE adapter 01 - partition one - required  Ethernet adapter 01 - partition one - required  Ethernet adapter 01 - partition two - required  SCSI adapter 02 - partition two - required  IDE adapter 01 - partition two - desired  Which of the following actions will enable the installation of the AIX image?()
    A

    Change the IDE adapter from desired to required in partition two and restart the partition to release the resource.

    B

    Purchase a SCSI DVD-ROM drive to connect to the SCSI adapter in partition two.

    C

    Purchase an LTO tape drive so that a system image backup can be created to install a new AIX partition.

    D

    Change the IDE adapter from required to desired in partition one and restart the partition to release the resource.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following explains the relationship between a physical and logical partition?()
    A

    A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.

    B

    A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.

    C

    A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.

    D

    A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    If the ADD DBPARTITIONNUM command is used to add a new database partition to an existing DB2 instance,which statement is correct? ()
    A

    All existing databases in the instance are expanded to the new database partition but data cannot be stored on the newpartition until it has been added to a partition group.  

    B

    Database partition groups within existing databases will automatically include the new database partition and willredistribute their existing data to the new partition.  

    C

    Any single partition databases within the instance will automatically become multi-partition databases once the newpartition is added to the instance.  

    D

    A database administrator would need to modify the db2nodes.cfg file to complete the addition of the new partition tothe instance.


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Spark中,以下哪些是rdd的特性()

    • A、partition大小
    • B、partition个数
    • C、partiton的所有者
    • D、parrtition的一切

    正确答案:C,D

  • 第14题:

    利用Partition Magic软件可以在不破坏硬盘数据的情况下调整分区大小。


    正确答案:正确

  • 第15题:

    Which data organization schemes are supported?()

    • A、PARTITION BY HASH and ORGANIZE BY  
    • B、PARTITION BY RANGE and ORGANIZE BY KEY SEQUENCE  
    • C、PARTITION BY HASH and ORGANIZE BY KEY SEQUENCE 
    • D、PARTITION BY RANGE and ORGANIZE BY

    正确答案:D

  • 第16题:

    spark进行数据切分的时候,划分完成的partition个数和hdfs中block个数一致


    正确答案:正确

  • 第17题:

    spark切分完的partition的大小必须和block一致


    正确答案:错误

  • 第18题:

    在使用Ghost时,下列菜单中叙述错误的是:()。

    • A、Partition To Partition表示将一个分区的数据复制到另一个分区
    • B、Partition To Image表示将一个分区的数据复制到一个磁盘文件
    • C、Partition From Image表示将一个Image文件的数据恢复到一个分区上
    • D、Disk To Disk表示将一个磁盘的数据移动到另一个磁盘上

    正确答案:D

  • 第19题:

    Which of the following explains the relationship between a physical and logical partition?()

    • A、A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.
    • B、A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.
    • C、A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.
    • D、A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.

    正确答案:B

  • 第20题:

    One of Company.com’s Linux partitions is experiencing excessive paging. They want to provide more memory to the partition to resolve this problem. What is the best method to add the memory?()

    • A、Add an additional virtual swap device to the partition.
    • B、Use DLPAR to dynamically add the required memory to the partition.
    • C、Shut down the partition and redefine its profile with additional memory.
    • D、Change Partition Load Manager parameters to provide the partition with additional memory shares.

    正确答案:C

  • 第21题:

    You need to design a storage mode for the ProductOrderStatus measure group. What should you do?()

    • A、Use ROLAP for the Historical partition and MOLAP for the CurrentDay partition.
    • B、Use MOLAP for the Historical partition and ROLAP for the CurrentDay partition.
    • C、Use ROLAP for the Historical partition and Automatic MOLAP for the CurrentDay partition.
    • D、Use HOLAP for the Historical partition and Low-latency MOLAP for the CurrentDay partition.

    正确答案:B

  • 第22题:

    单选题
    You need to design a storage mode for the ProductOrderStatus measure group. What should you do?()
    A

    Use ROLAP for the Historical partition and MOLAP for the CurrentDay partition.

    B

    Use MOLAP for the Historical partition and ROLAP for the CurrentDay partition.

    C

    Use ROLAP for the Historical partition and Automatic MOLAP for the CurrentDay partition.

    D

    Use HOLAP for the Historical partition and Low-latency MOLAP for the CurrentDay partition.


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    下面哪一项是完成设置活动分区的操作()。
    A

    CREATE DOS PARTITION OR LOGICAL DOS DRIVED

    B

    dele dos PARTITION OR LOGICAL

    C

    dos drive display partition information

    D

    SET ACTIVe partition


    正确答案: B
    解析: 暂无解析