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You are performing a block media recovery on the tools01.dbf data file in the SALES database by using RMAN.  
Which two statements are correct in this scenario?()

A . You must ensure that the SALES database is mounted or open.
B . You must restore a backup control file to perform a block media recovery.
C . You must take the tools01.dbf data file offline before you start a block media recovery.
D . You must put the database in NOARCHIVELOG mode to perform a block media recovery.
E . You can perform only a complete media recovery of individual blocks; point-in-time recovery of  individual data blocks is not supported.

Which statement most accurately describes the implementation of a SQL Access Advisor recommendation?() SQL Access Advisor recommendations are automatically implemented.。 Individual SQL Access Advisor recommendations can be scheduled for implementation.。 All SQL Access Advisor recommendations for a specific task must be implemented at the same time.。 SQL Access Advisor recommendations are automatically scheduled for implementation during the maintenance window.。 None of the above.。 某现浇钢筋混凝土梁的跨度为8m,针对其跨中起拱高度,下列各项中满足相关劫范的有()。 2mm。 5mm。 15mm。 20mm。 30mm。 按危机来源划分小企业遇到的危机类型,其中不包括()。 供应危机。 财务危机。 品牌危机。 战略危机。 Which of the following is a correct statement about Workload Partitions (WPARs)?() WPARs use dedicated cores and shared memory.。 WPARs are restricted to using dedicated resources.。 WPARs share the resources of a single AIX instance.。 WPARs use shared cores, memory, and dedicated network adapters.。 A storage specialist is assessing a customer’s tape backup environment. Which of the following questions would be the most appropriate question to identify the customer’s environment?() Has there been any recent loss of data?。 How many tape drives are in the Library?。 What tape technology is currently being used?。 What software is being used for restoring the data?。

You are performing a block media recovery on the tools01.dbf data file in the SALES database by using RMAN.  
Which two statements are correct in this scenario?()

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