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【单选题】

The data file belonging to theSYSTEMtablespaceis corrupted and no backup of the file is available. How do you recover the data file？（）

A、The data file cannot be recovered.

B、The date file can be restored from theSYSTEMauto backup.

C、Take thetablespaceoffline，drop，kand re-create it.

D、Recovery Manager （RMAN） is used to recover the data file.

E、The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.

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第1题
[单选题] A systems administrator has a high performance server with a file share full of data that has not been used in a long time， but is still important and might be used in the future. Which of the following should they do to reclaim the space off the high performance server？（）

A、Audit the data  B、Delete the data  C、Back up the data  D、Archive the data  

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第2题
[单选题] You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）

A、use the external table population  B、use the Oracle Data Pump export and import utility  C、use the conventional path data load of SQL*Loader utility  D、use the direct path data load of Oracle export and import utility  

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第3题
[多选题] You run a 16-bit scientific data analysis package on your Windows 2000 Professional computer. The package consists of three components. The first component is a data acquisition application that monitors continuous data output from scientific instruments. The second component is a data analysis application that receives data from the data acquisition application by using shared memory. The third component is a data graphing application that displays the processed data in real time.  The data analysis application communicates 

A、Configure the data acquisition application to run in its own virtual DOS machine (VDM).  B、Configure the data analysis application to run in its own virtual DOS machine (VDM).  C、Configure the data graphing application to run in its own virtual DOS machine (VDM).  D、Configure the virtual DOS machine for the data acquisition and data analysis applications to.have a hard affinity for processor 0. Configure the VDM for the data graphing application to.have a hard affinity for processor1.   E、Configure the virtual DOS machine for the data acquisition to have a hard affinity for processor 0. Configure the VDM for the data graphing application to have a hard affinity for processor1.  

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第4题
[单选题] A customer is planning to migrate a financial application to a 12-way p5-570 system with 96GB of memory.  The application data is stored on an ESS Model 800 attached to a p670 server with AIX 5.2.  They will have a short outage window to perform the data migration.  What is the quickest way to move all the data stored on the attached ESS from the p670 to the new p5-570？（）

A、Use rsync to synchronize the data across servers.  B、Use exportvg and importvg to move the data to the target system.  C、Use NFS to copy the data from the source system to the target system.  D、Backup the data from the source system and restore to the target system.  

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第5题
[单选题] You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）

A、Only the data files.  B、All of the data files and the control files.  C、Only the data files belonging to the SYSTEM tablespace.  D、Only the data files belonging to the SYSTEM tablespace and the control files.  

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第6题
[单选题] Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）

A、 Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.  B、 Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.  C、 Set the Emit Default Value property of each data member to false.  D、 Set the Is Required property of each data member to true.  

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第7题
[] You design a Business Intelligence （BI） solution by using SQL Server 2008. You create a SQL Server 2008 Reporting Services （SSRS） solution by using SQL Server 2008. Several reports on the server use a shared data source named DSProduction. You modify an existing report that uses the DSProduction data source. After deployment， the modified report must use an alternate data source. You need to prevent the modified report from affecting other reports. What should you do？（）

A、A. Update the connection string of the DSProduction shared data source to point to the alternate data source.  B、B. Update the modified report to use a report-specific data source. Update the connection string of the report-specific data source to point to the alternate data source.  C、C. Create a new shared data source named DSProduction in the same folder as that of the modified report. Update the connection string of the new shared data source to point to the alternate data source.  D、D. Disable the DSProduction data source. Update the modified report to use a report-specific data source. Update the connection string of the report-specific data source to point to the alternate data source.  

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第8题
[多选题] A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）

A、 Store the data in a vocal variable.  B、 Store the data in an instance variable.  C、 Store the data in the HttpSession object.  D、 Store the data in the ServletContext object.  E、 Store the data in the ServletRequest object.  

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第9题
[单选题] When performing an incomplete recover of the whole database， which data files must you restore？ （）

A、Only the damaged or lost data files.  B、All of the data files of the database.  C、Only the data files belonging to the SYSTEM tablespace.  D、The data files belonging to the SYSTEM tablespace and the damaged or lost data files.  

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第10题
[单选题] ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language （DML） statements on the encrypted data in the tables？（）  

A、 The data is decrypted during SORT and JOIN operations.  B、 The data remains encrypted when it is read into memory.  C、 The data remains encrypted when it is stored in the redo logs.  D、 The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.  

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