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名词解释题
英译中：Data warehousing
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（） are activities that manage the space needed to hold the inventories.A、StackingB、Warehousing and storageC、DispatchingD、Goods delivering
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Which of the following is a distinguishing factor between data archiving and data backups？（）A、Data archives are kept for disaster recovery purposes while data backups are kept for indefiniteperiods of time so that there is an information record.B、Data archives are kept for documentation purposes to easily recover data while data backupsare kept for immediate server recovery.C、Data archives are kept off-site for data warehousing purposes while data backups are keptlocally for immediate server recovery purposes.D、Data archives are kept for indefinite periods of time so there is a record while data backups arekept for disaster recovery purposes.
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A company is deploying a Microsoft Windows-based， mission-critical Data Warehousing application. The customer has specified 4GB of RAM. Which TWO of the following questions will best help the consultant determine the proper memory configuration？（）A、Does the application require a large paging space？B、What is the anticipated memory/disk cache hit ratio？C、Does the application support Physical Address Extensions （PAE）？D、Are there future plans to expand the amount of memory in the system？E、Do the application availability requirements justify the use of Memory Mirroring technologies？
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A customer with a single IBM System Storage DS8100 reports severe performance problems for some of their applications when a particular data warehousing application creates a heavy load. What is the most cost effective way to resolve this issue（）A、add additional disks to the DS8100B、add more cache to the DS8100C、move affected volumes to a different disk enclosureD、implement TPC for Disk to monitor performance
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A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files， which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets？（）A、FacadeB、View HelperC、Transfer ObjectD、Intercepting FilterE、Composite Facade
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单选题You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to， in order to determine the appropriate indexes？（）A
Memory AdvisorsB
Segment AdvisorsC
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Automated Workload Repository （AWR）E
Automatic Database Diagnostic Monitor （ADDM）
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单选题A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files， which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets？（）A
FacadeB
View HelperC
Transfer ObjectD
Intercepting FilterE
Composite Facade
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单选题You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database. While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the 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 the SQL*Loader utility.D
Use the INSERT INTO...SELECT command to load the data.
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单选题A customer has no available floor space for expansion and room for only one disk enclosure pair in their DS8700. Four disk enclosure pairs are required to meet the current I/O needs of a data warehousing application. They are only utilizing 10% of their total capacity. Another application workload needs to be added to the system but requires two disk enclosure pairs. The customer is considering SSD and Easy Tier. Which of the following is the primary function of Easy Tier（）A
reduce power consumption per unit of storageB
balance the total workload with other DAsC
automatically moves hot spots to the appropriate resourceD
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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 populationB
use the Oracle Data Pump export and import utilityC
use the conventional path data load of SQL*Loader utilityD
use the direct path data load of Oracle export and import utility
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单选题An administrator is building a server that will run a data warehousing application.The server was ordered with eight 300GB drives.The application requires a dedicated storage location for the OS and one for critical files.The critical file storage needs fast access but must provide high redundancy.The OS requires 100GB and the file requires 950GB.Which of the following configurations will BEST suit the data warehouse needs？（）A
OS：3 Drives，RAID 1 with hot spare；Files：5 Drives，RAID 5 with hot spareB
OS：2 Drives，RAID 1；Files：6 Drives，RAID 1C
OS：2 Drives，RAID 0；Files：6 Drives，RAID 5D
OS：2 Drives，RAID 1；Files：6 Drives，RAID 5 with hot spare
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单选题Which of the following is a distinguishing factor between data archiving and data backups？（）A
Data archives are kept for disaster recovery purposes while data backups are kept for indefiniteperiods of time so that there is an information record.B
Data archives are kept for documentation purposes to easily recover data while data backupsare kept for immediate server recovery.C
Data archives are kept off-site for data warehousing purposes while data backups are keptlocally for immediate server recovery purposes.D
Data archives are kept for indefinite periods of time so there is a record while data backups arekept for disaster recovery purposes.
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