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【单选题】

Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）

A、encrypted data

B、compressed data

C、archive data

D、multiplexed data streams

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更多“Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）”相关的问题
第1题
[] In which file created by a mksysb would an administrator find filesystem and logical volume information？（） 

A、A./fs.data  B、B./image.data  C、C./bosinst.data  D、D./install.data  

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第2题
[单选题] A system administrator has filesystems that should not be mounted during system startup. How can the system administrator prevent the /data filesystem from being mounted during subsequent boots？（）

A、mount -no /data  B、chfs -A no /data  C、mount -t nfs /data  D、chfs -a type=nfs /data  

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第3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4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5题
[单选题] Which tasks are necessary to perform a data migration using DFSMS?（）

A、Microcode review and data classification  B、Initialization and data classification  C、Microcode review, ACS routine, and back up of data  D、Data classification, ACS routine, and back up of data  

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第6题
[单选题] Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）

A、RESTORE DATAFILE ’/DISK2/user_data01.dbf’  B、RESTORE DATAFILE ’/DISK3/user_data01.dbf’  C、SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’  D、SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’  

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第7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8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9题
[] You design a Business Intelligence （BI） solution by using SQL Server 2008. You design a SQL Server 2008 Analysis Services （SSAS） solution. Customer data is stored in the tables named CustomerDetails and CustomerContact. The solution uses the following two data sources from two different servers： ·Contoso that accesses the CustomerDetails table ·ContosoCRM that accesses the CustomerContact table You plan to create a dimension named DimCustomer to analyze customer data. You need to ensure that the DimCustomer dimension represents̳

A、A. Create a data source view named DsvContoso that is associated with the two data sources and add the tables to the data source view.  B、B. Create a data source view named DsvContoso that is associated with the two data sources and create a named query in the data source view to merge the tables.  C、C. Create a data source view named DsvCustomer that is associated with the Contoso data source and add the CustomerDetails table to the data source view.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and add the CustomerContact table to the data source view.  D、D. Create a data source view named DsvCustomer that is associated with the Contoso data source and create a named query in the data source view to select data from the CustomerDetails table.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and create a named query in the data source view to select data from the CustomerContact table.  

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