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Vendor: Microsoft
Exam Code: 70-458
Exam Name: Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 2 Exam

QUESTION 41
Drag and Drop Question
You are developing a SQL Server Integration Services (SSIS) package that imports unsorted data into a data warehouse hosted on SQL Azure.
You have the following requirements:
- A destination table must contain all of the data in two source tables.
- Duplicate records must be inserted into the destination table.
You need to develop a data flow that imports the data while meeting the requirements.
How should you develop the data flow? (To answer, drag the appropriate transformation from the list of transformations to the correct location in the answer area.)

Answer:

Explanation:
http://msdn.microsoft.com/en-us/library/ms141703.aspx
http://msdn.microsoft.com/en-us/library/ms141775.aspx
http://msdn.microsoft.com/en-us/library/ms141020.aspx
http://msdn.microsoft.com/en-us/library/ms140182.aspx

QUESTION 42
You are completing the installation of the Data Quality Server component of SQL Server Data Quality Services (DQS).
You need to complete the post-installation configuration.
What should you do?

A.    Run the dbimpexp.exe command.
B.    Install the data providers that are used for data refresh.
C.    Run the DQSInstalIer.exe command.
D.    Install the Analysis Services OLE DB Provider.

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ff877917.aspx
http://msdn.microsoft.com/en-us/library/gg492277.aspx

QUESTION 43
You are using the Knowledge Discovery feature of the Data Quality Services (DQS) client application to modify an existing knowledge base.
In the mapping configuration, two of the three columns are mapped to existing domains in the knowledge base. The third column, named Team Type, does not yet have a domain.
You need to complete the mapping of the Team Type column.
What should you do?

A.    Add a column mapping for the Team Type column.
B.    Add a domain for the Team Type column.
C.    Map a composite domain to the source column.
D.    Create a composite domain that includes the Team Type column.

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ff877917.aspx
http://msdn.microsoft.com/en-us/library/hh213015.aspx
http://msdn.microsoft.com/en-us/library/gg524799.aspx

QUESTION 44
You are creating a SQL Server Master Data Services (MDS) mode).
This model is used to store a master list of products. An attribute must be added to the Product entity to define the sales manager responsible for each product.
You need to create an attribute in the Product entity that prevents users from entering invalid sales manager values.
Which type of attribute should you create?

A.    Derived
B.    Domain-based
C.    User-defined
D.    Parent
E.    Explicit
F.    Recursive

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/bb190163.aspx
http://msdn.microsoft.com/en-us/library/ee633737.aspx
http://msdn.microsoft.com/en-us/library/ee633759.aspx
http://msdn.microsoft.com/en-us/library/ee633745.aspx
http://msdn.microsoft.com/en-us/library/ee633724.aspx
http://msdn.microsoft.com/en-us/library/ee633733.aspx
http://msdn.microsoft.com/en-us/library/ff487058.aspx

QUESTION 45
You develop a SQL Server Integration Services (SSIS) package that imports SQL Azure data into a data warehouse every night.
The SQL Azure data contains many misspellings and variations of abbreviations.
To import the data, a developer used the Fuzzy Lookup transformation to choose the closest-matching string from a reference table of allowed values.
The number of rows in the reference table is very large.
If no acceptable match is found, the Fuzzy Lookup transformation passes a null value.
The current setting for the Fuzzy Lookup similarity threshold is 0.50.
Many values are incorrectly matched.
You need to ensure that more accurate matches are made by the Fuzzy Lookup transformation without degrading performance.
What should you do?

A.    Decrease the maximum number of matches per lookup.
B.    Change the similarity threshold to 0.55.
C.    Change the Exhaustive property to True.
D.    Increase the maximum number of matches per lookup.

Answer: B
Explanation:
The similarity thresholds can be set at the component and join levels.
The join-level similarity threshold is only available when the transformation performs a fuzzy match between columns in the input and the reference table.
The similarity range is 0 to 1. The closer to 1 the threshold is, the more similar the rows and columns must be to qualify as duplicates.
http://msdn.microsoft.com/en-us/library/ms137786.aspx

QUESTION 46
You are designing a data warehouse hosted on SQL Azure.
The data warehouse currently includes the dimllser and dimDistrict dimension tables and the factSales fact table. The dimUser table contains records for each user permitted to run reports against the warehouse, and the dimDistrict table contains information about sales districts.
The system is accessed by users from certain districts, as well as by area supervisors and users from the corporate headquarters.
You need to design a table structure to ensure that certain users can see sales data for only certain districts.
Some users must be permitted to see sales data from multiple districts.
What should you do?

A.    Create a userDistrict table that contains primary key columns from the dimUser and
dimDistrict tables.
B.    Partition the factSales table on the district column.
C.    Add a district column to the dimUser table.
D.    For each district, create a view of the factSales table that includes a WHERE clause
for the district.

Answer: A

QUESTION 47
Drag and Drop Question
You are creating a sales data warehouse.
When a product exists in the product dimension, you update the product name.
When a product does not exist, you insert a new record.
In the current implementation, the DimProduct table must be scanned twice, once for the insert and again for the update.
As a result, inserts and updates to the DimProduct table take longer than expected.
You need to create a solution that uses a single command to perform an update and an insert. How should you use a MERGE T-SQL statement to accomplish this goal? (To answer, drag the appropriate answer choice from the list of options to the correct location or locations in the answer area. You may need to drag the split bar between panes or scroll to view content.)

Answer:

Explanation:
http://msdn.microsoft.com/en-us/library/bb510625.aspx
http://msdn.microsoft.com/en-us/library/cc280522.aspx

QUESTION 48
You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and Database3.
You have permissions on both Database1 and Database2.
You plan to write and deploy a stored procedure named dbo.usp_InsertEvent in Database3. dbo.usp_InsertEvent must execute other stored procedures in the other databases.
You need to ensure that callers that do not have permissions on Database1 or Database2 can execute the stored procedure.
Which Transact-SQL statement should you use?

A.    USE Database2
B.    EXECUTE AS OWNER
C.    USE Database1
D.    EXECUTE AS CALLER

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms188354.aspx http://blog.sqlauthority.com/2007/10/06/sql-server-executing-remote-stored-procedure-calling- storedprocedure-on-linked-server/

QUESTION 49
You administer a Microsoft SQL Server 2012 failover cluster that contains two nodes named Node A and Node B.
A single instance of SQL Server is installed on the cluster.
An additional node named Node C has been added to the existing cluster.
You need to ensure that the SQL Server instance can use all nodes of the cluster.
What should you do?

A.    Create a ConfigurationFile.ini file from Node B, and then run the AddNode command-line
tool on Node A.
B.    Use Node A to install SQL Server on Node C.
C.    Run the Add Node to SQL Server Failover Cluster Wizard on Node C.
D.    Use Cluster Administrator to add a new Resource Group to Node B.

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/hh231721.aspx
http://msdn.microsoft.com/en-us/library/ms189134.aspx

QUESTION 50
Drag and Drop Question
You administer three Microsoft SQL Server 2012 servers named ServerA, ServerB, and ServerC. ServerA is the acting principal and ServerB is the mirror.
You need to add ServerC as a witness to the existing mirroring session between ServerA and ServerB.
You need to achieve this goal without delaying synchronization.
Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)

Answer:

Explanation:
http://msdn.microsoft.com/en-us/library/ms190430.aspx

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