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- 70-463: MCSA Implementing a Data Warehouse with Microsoft SQL Server 20122014
Free 70-463: MCSA Implementing a Data Warehouse with Microsoft SQL Server 20122014 Exam Questions and Answers
Last updated: January 14, 2025
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1564-70-463: MCSA Implementing a Data Warehouse with Microsoft SQL Server 20122014
#Question
Why is it essential to prioritize data security in a data warehouse?
A.To streamline queries
B.To protect sensitive information
C.To eliminate backup requirements
D.To reduce operational costs
Correct Answer:
B
Data security is vital to protect sensitive information and maintain trust in the integrity of the data stored in the data warehouse.
#Question
What does the term "data silos" refer to in data warehousing?
A.Isolated data systems
B.Redundant data backups
C.Integrated database structures
D.Compacted data files
Correct Answer:
A
Data silos refer to isolated data systems that are unable to easily share information with others, hindering overall data integration.
#Question
How does effective metadata management contribute to user experience in a data warehouse?
A.Minimizes user access
B.Reduces necessary documentation
C.Complicates data retrieval
D.Enhances data discovery
Correct Answer:
D
Effective metadata management enhances data discovery, allowing users to better understand and navigate the data warehouse.
#Question
When loading data into a data warehouse, what is typically the first step in the ETL process?
A.Data loading
B.Data extraction
C.Data validation
D.Data transformation
Correct Answer:
B
The first step in the ETL process is data extraction, where data is collected from various sources for processing.
#Question
In the context of data warehousing, what does the term "data aggregation" mean?
A.Data encryption
B.Combining data from multiple sources
C.Summarizing data to present insights
D.Data analysis
Correct Answer:
C
Data aggregation refers to summarizing detailed data into higher-level insights, facilitating a clearer analysis process.
#Question
How can data profiling assist in the ETL process?
A.By identifying data quality issues
B.By creating backup plans
C.By limiting data access
D.By increasing data duplication
Correct Answer:
A
Data profiling helps in identifying data quality issues, allowing for better cleansing and transformation during the ETL process.
#Question
What is a data mart, and how does it relate to a data warehouse?
A.A form of data compression
B.A method of data cleansing
C.A smaller version of a data warehouse
D.A completely independent database
Correct Answer:
C
A data mart is essentially a smaller, focused version of a data warehouse that serves specific business functions or departments.
1564-70-463: MCSA Implementing a Data Warehouse with Microsoft SQL Server 20122014
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