简述Resync的功能.

A . Failed disks are taken offline immediately but are not dropped. B . Disk data is never lost. C . By default， the failed disk is not dropped from the disk group ever， protecting you from loss of that disk. D . The failed disk is automatically reformatted and then resynchronized to speed up the recovery process. E . Hot spare disks are automatically configured and added to the disk group.

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简述机器的组成及各部分的功能。

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Which of the following is a benefit of ASM fast disk resync?（）

A . Failed disks are taken offline immediately but are not dropped. B . Disk data is never lost. C . By default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk. D . The failed disk is automatically reformatted and then resynchronized to speed up the recovery process. E . Hot spare disks are automatically configured and added to the disk group.

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简述认证机构或信息服务商提供的功能（安全认证的功能）。

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简述社会工作的社会功能（宏观功能）。

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In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）

A . After the COPY command. B . After adding a data file in the target database. C . After adding a tablespace in the target database. D . After adding a tablespace in the catalog database. E . After dropping a data file in the catalog database. F . After running SQL Loader to load a large amount of data.

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简述观赏植物的叶的功能。

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简述多功能提取器的功能及其特点。

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请简述存货的主要功能？存货的功能具体体现在以下各个方面：

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简述CIS的感召功能是如何体现的。

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简述功能和功能块的区别？

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请简述操作系统的功能。请简述操作系统的功能。