2014年5月7日星期三

Le plus récent matériel de formation Microsoft 070-463

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Code d'Examen: 070-463
Nom d'Examen: Microsoft (Implementing a Data Warehouse with Microsoft SQL Server 2012)
Questions et réponses: 221 Q&As

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NO.1 You are designing a data warehouse with two fact tables.The first table contains sales per month and
the second table contains orders per day.
Referential integrity must be enforced declaratively.
You need to design a solution that can join a single time dimension to both fact tables.
What should you do?
A.Create a time mapping table.
B.Change the level of granularity in both fact tables to be the same.
C.Merge the fact tables.
D.Create a view on the sales table.
Answer: C

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NO.2 DRAG DROP
A new SQL Server Integration Services (SSIS) project is deployed to the SSIS catalog.
To troubleshoot some data issues, you must output the data streaming through several data flows into text
files for further analysis.You have the list of data flow package paths and identification strings of the
various task components that must be analyzed.
You need to create these output files with the least amount of administrative and development effort.
Which three stored procedures should you execute 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:

NO.3 You are designing an enterprise star schema that will consolidate data from three independent data
marts.One of the data marts is hosted on SQL Azure.
Most of the dimensions have the same structure and content.However, the geography dimension is
slightly different in each data mart.
You need to design a consolidated dimensional structure that will be easy to maintain while ensuring that
all dimensional data from the three original solutions is represented.
What should you do?
A.Create a junk dimension for the geography dimension.
B.Implement change data capture.
C.Create a conformed dimension for the geography dimension.
D.Create three geography dimensions.
Answer: C

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NO.4 You are designing a data warehouse hosted on SQL Azure.The data warehouse currently includes the
dimUser 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.Add a district column to the dimUser table.
B.Partition the factSales table on the district column.
C.Create a userDistrict table that contains primary key columns from the dimUser and dimDistrict tables.
D.For each district, create a view of the factSales table that includes a WHERE clause for the district.
Answer: C

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NO.5 You are implementing the indexing strategy for a fact table in a data warehouse.The fact table is
named Quotes.The table has no indexes and consists of seven columns:
[ID]
[QuoteDate]
[Open]
[Close]
[High]
[Low]
[Volume]
Each of the following queries must be able to use a columnstore index:
SELECT AVG ([Close]) AS [AverageClose] FROM Quotes WHERE [QuoteDate] BETWEEN '20100101'
AND '20101231'.
SELECT AVG([High] - [Low]) AS [AverageRange] FROM Quotes WHERE [QuoteDate] BETWEEN
'20100101' AND
'20101231'.
SELECT SUM([Volume]) AS [SumVolume] FROM Quotes WHERE [QuoteDate] BETWEEN '20100101'
AND '20101231'.
You need to ensure that the indexing strategy meets the requirements.The strategy must also minimize
the number and size of the indexes.
What should you do?
A.Create one columnstore index that contains [ID], [Close], [High], [Low], [Volume], and [QuoteDate].
B.Create three coiumnstore indexes:
One containing [QuoteDate] and [Close]
One containing [QuoteDate], [High], and [Low]
One containing [QuoteDate] and [Volume]
C.Create one columnstore index that contains [QuoteDate], [Close], [High], [Low], and [Volume].
D.Create two columnstore indexes:
One containing [ID], [QuoteDate], [Volume], and [Close]
One containing [ID], [QuoteDate], [High], and [Low]
Answer: C

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NO.6 DRAG DROP
You are editing a SQL Server Integration Services (SSIS) package that contains a task with a sensitive
property.
You need to create a project parameter and configure it so that its value is encrypted when it is deployed
to the SSIS catalog.
Which three steps 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:

NO.7 You install a SQL Server 2012 database engine instance on a production server.A month later, you
install SQL Server 2012 Integration Services (SSIS).
You must develop an SSIS project and deploy it to the server by using the Project Deployment model.
Operations Log records that are outside the configured retention period must be cleaned automatically.
You need to create the SSIS catalog on the production server.
What should you do? (Each correct answer presents part of the solution.Choose all that apply.)
A.Enable XP Command Shell.
B.Enable CLR Integration.
C.Enable OLE Automation.
D.Start the SQL Server Browser service.
E.Enable Cross Database Ownership Chaining.
F.Start the SQL Server Agent service.
G.Enable Ad Hoc Remote Queries.
Answer: FA

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NO.8 You are developing a project that contains multiple SQL Server Integration Services (SSIS)
packages.The packages will be deployed to the SSIS catalog.One of the steps in each package accesses
an FTP site to download sales transaction data.
You create project parameters to store the username and password that are used to access the FTP site.
You need to ensure that the username and password values are encrypted when they are deployed.
What should you do?
A.set the Sensitive property of the parameters to True.
B.Set the ProtectionLevel property of the package to EncryptSensitiveWithUserKey.
C.Change the parameters to package parameters.
D.Change the project to the Legacy Deployment model.
Answer: A

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