Data warehouse Multiple Choice Questions(MCQs)& Answers

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Questions
41 .............................are designed to overcome any limitations placed on the warehouse by the nature of the relational data model.
A Operational database
B Relational database
C Multidimensional database
D Data repository

Answer:Multidimensional database
42 The full form of OLAP is
A Online Analytical Processing
B Online Advanced Processing
C Online Advanced Preparation
D Online Analytical Performance

Answer: Online Analytical Processing
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43 ……………………. is a subject-oriented, integrated,time-variant, nonvolatile collection or data in support of management decisions.
A Data Mining
B Data Warehousing
C Document Mining
D Text Mining

Answer: Data Warehousing
44 The data is stored, retrieved and updated in ………………..
A OLAP
B OLTP
C SMTP
D FTP

Answer: OLTP
45 an ……………… system is market-oriented and is used for data analysis by knowledge workers, including managers, executives, and analysts.
A OLAP
B OLTP
C Both of the above
D None of the above

Answer:OLAP
46 …………………… is a good alternative to the star schema.
A Star schema
B Snowflake schema
C Fact constellation
D Star-snowflake schema

Answer: Fact constellation
47 The ………………………. exposes the information being captured, stored, and managed by operational systems.
A top-down view
B data warehouse view
C data source view
D business query view

Answer: data source view
48 The type of relationship in star schema is ……………
A Many to many
B one to one
C one too many
D many to one

Answer: one too many
49 The ……………… allows the selection of the relevant information necessary for the data warehouse.
A top-down view
B data warehouse view
C data source view
D business query view

Answer: top-down view
50 Which of the following is not a component of a data warehouse?
A Metadata
B Current detail data
C Lightly summarized data
D Component Key

Answer: Component Key
51 Which of the following is not a kind of data warehouse application?
A Information processing
B Analytical processing
C Data mining
D Transaction processing

Answer: Transaction processing
52 _________ introduces the Management Data Warehouse (MDW) to SQL Server Management Studio for streamlined performance troubleshooting.
A SQL Server 2005
B SQL Server 2008
C SQL Server 2012
D SQL Server 2014

Answer: SQL Server 2008
53 Point out the correct statement.
A MDW consist of three components
B SQL Server Express instances can be targets
C Setting up the MDW is a one-step process
D All of the mentioned

Answer: MDW consist of three components
54 Which of the following mode allows for the collection and uploading of data to occur on demand?
A Non-cached mode
B Cached mode
C mixed mode
D All of the mentioned

Answer: Non-cached mode
55 Which of the following scenario favors cached mode?
A Continuous collection of data
B Less frequent uploads
C Data collection and uploading of jobs on different schedules
D All of the mentioned

Answer: All of the mentioned
56 Point out the wrong statement.
A The Data Collection is performed primarily through SSIS packages that control the collection frequency on the target
B You should change the database name after creation
C Do not change any of the job specifications for the data collection and upload jobs
D None of the mentioned

Answer: You should change the database name after creation
57 Which of the following is the best Practice and Caveat for Management Data Warehouse?
A Use a centralized server for the MDW database
B The XML parameters for a single T-SQL collection item can have multiple elements
C Use a distributed server for the MDW database
D All of the mentioned

Answer: Use a centralized server for the MDW database
58 ____________ stores information about how the management data warehouse reports should group and aggregate performance counters.
A core.snapshots_internal
B core.supported_collector_types_internal
C core.wait_categories
D core.performance_counter_report_group_items

Answer: core.performance_counter_report_group_items
59 Which of the following table is used in the management data warehouse schema that is required for the Server Activity?
A snapshots.query_stat
B snapshots.os_latch_stats
C snapshots.active_sessions
D all of the mentioned

Answer:snapshots.os_latch_stats
60 Which of the following is syntax for sp_add_collector_type procedure?
A core.sp_add_collector [ @collector_type_uid = ] ‘collector_type_uid’
B core.sp_add_collector_type [ @collector_type_uid = ].
C core.sp_add_collector_type [ @collector_type_uid = ] ‘collector_type_uid’
D none of the mentioned

Answer: core.sp_add_collector_type [ @collector_type_uid = ] ‘collector_type_uid’
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