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Question 1:
You are developing a SQL Server Integration Services (SSIS) package that imports data into a data warehouse. You add an Execute SQL task to the control flow. The task must execute a simple INSERT statement. The task has the following requirements:
•
The INSERT statement must use the value of a string package variable. The variable name is StringVar.
•
The Execute SQL task must use an OLE DB Connection Manager.
In the Parameter Mapping tab of the Execute SQL task, StringVar has been added as the only parameter.
You must configure the SQLStatement property of the Execute SQL task.
Which SQL statement should you use?
A.
INSERT INTO dbo.Table (variablevalue) VALUES ($StringVar)
B.
INSERT INTO dbo.Table (variablevalue) VALUES (0)
C.
INSERT INTO dbo.Table (variablevalue) VALUES (@0)
D.
INSERT INTO dbo.Table (variablevalue) VALUES (?)
Correct Answer: D
Explanation: References:
http://msdn.microsoft.com/en-us/library/ms141003.aspx http://msdn.microsoft.com/en-us/library/ms140355.aspx http://msdn.microsoft.com/en-us/library/cc280502.aspx
Question 2:
You are designing a SQL Server Integration Services (SSIS) solution that will load multiple Online Transactional Processing (OLTP) data sources into a SQL Server data mart. You have the following requirements:
•
Ensure that the process supports the creation of an exception report that details possible duplicate key values, null ratios within columns, and column-length distributions of values.
•
Ensure that users can generate the exception report in an XML format.
•
Use the minimum development effort.
You need to design the SSIS solution to meet the requirements. What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)
A.
Use a Data Profiling task. Use a Data Flow task to extract the XML output of the Data Profiling task into a SQL Server table. Query the table to view the exceptions.
B.
Use Data Flow tasks to process the clean data.
C.
Use a Data Profiling task. Read the exceptions in Data Profile Viewer.
D.
Design a stored procedure that examines data for common dirty data patterns. Use an Execute SQL task.
Correct Answer: C
Question 3:
CORRECT TEXT – (Topic 2)
You are designing a package control flow. The package moves sales order data from a SQL Azure transactional database to an on-premise reporting database. The package will run several times a day, while new sales orders are being
added to the transactional database. The current design of the package control flow is shown in the answer area.
(Click the Exhibit button.)
The Insert New Orders Data Flow task must meet the following requirements:
稶sage of the tempdb database should not be impacted.
稢oncurrency should be maximized, while only reading committed transactions.
稩f the task fails, only that task needs to be rolled back.
You need to configure the Insert New Orders Data Flow task to meet the requirements.
How should you configure the transaction properties? (To answer, select the appropriate setting or settings in the answer area.)
A.
B.
C.
D.
Correct Answer:
Answer: IsolationLevel = ReadCommited. TransactionOption = Required http://msdn.microsoft.com/en-us/library/ms137690.aspx http://msdn.microsoft.com/en-us/library/ms137749.aspx http://msdn.microsoft.com/en
us/library/microsoft.sqlserver.dts.runtime.dtscontainer.isolationlevel.aspx http://msdn.microsoft.com/en-us/library/ms173763.aspx
Question 4:
You develop a SQL Server Integration Services (SSIS) package that imports Windows Azure SQL Database data into a data warehouse every night.
The Windows Azure SQL Database 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. Change the similarity threshold to 0.40.
B. Decrease the maximum number of matches per lookup.
C. Change the similarity threshold to 0.85.
D. Increase the maximum number of matches per lookup.
Correct Answer: C
Explanation: * Similarity threshold Set the similarity threshold at the component level by using the slider. The closer the value is to 1, the closer the resemblance of the lookup value to the source value must be to qualify as a match. Increasing the threshold can improve the speed of matching since fewer candidate records need to be considered.
Question 5:
Your team is creating SQL Server Integration Services (SSIS) packages that have several dependencies. The packages use parameters for configuration purposes.
Your company\’s IT policies include the following change control requirements:
After a package is ready for deployment, your team must hand over the process to junior IT personnel.
The process must guarantee that when a package has been validated, that same package (and all its dependencies) is deployed to production. The process must be repeatable and reliable and must be executed with the least administrative
and training effort by junior IT personnel.
You need to use the most appropriate deployment unit to satisfy the company policies, while minimizing issues such as incorrect version or configuration.
Which type of deployment unit should you use?
A. dtsx
B. SSIS deployment manifest
C. msi
D. ispac
Correct Answer: D
70-767 Practice Test70-767 Study Guide70-767 Exam Questions
Question 6:
You are designing a data warehouse that contains a product dimension.
The product dimension contains the original product attributes as well as the most recent set of updated attributes. When a product is updated, the original product attributes must be preserved.
The product dimension design must:
Support a Type 3 Slowly Changing Dimension (SCD) process Minimize the total storage consumed
You need to design a solution that meets these requirements.
What should you do?
A. Design two tables. One table will hold the original product surrogate key and attributes. The other table will hold the most recent product surrogate key and attributes.
B. Design a table as a Type 2 SCD dimension that holds the surrogate key for each product and its attributes. Limit the number of records per product within the table to two.
C. Design a table to hold the surrogate key for each product and its attributes as well as additional columns to store the original attributes.
D. Design a table to hold the surrogate key for each product and its attributes. Add a column to store an indicator that identifies the record as original data or recent data.
Correct Answer: C
Question 7:
You develop a SQL Server Integration Services (SSIS) package in a project by using the Project Deployment Model. It is regularly executed within a multi-step SQL Server Agent job.
You make changes to the package that should improve performance.
You need to establish if there is a trend in the durations of the next 10 successful executions of the package. You need to use the least amount of administrative effort to achieve this goal.
What should you do?
A. Enable logging to an XML file in the package control flow for the Onlnformation event. After 10 executions, view the XML file.
B. After 10 executions, view the job history for the SQL Server Agent job.
C. After 10 executions, in SQL Server Management Studio, view the Execution Performance subsection of the All Executions report for the package.
D. Enable logging to an XML file in the package control flow for the OnPostExecute event. After 10 executions, view the XML file.
Correct Answer: C
Question 8:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while
others might not have a correct solution.
After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are developing a Microsoft SQL Server Integration Services (SSIS) projects. The project consists of several packages that load data warehouse tables.
You need to extend the control flow design for each package to use the following control flow while minimizing development efforts and maintenance:
Solution: You add the control flow to an ASP.NET assembly. You add a script task that references this assembly to each data warehouse load package. Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
A package consists of a control flow and, optionally, one or more data flows. You create the control flow in a package by using the Control Flow tab in SSIS Designer. References: https://docs.microsoft.com/en-us/sql/integration-services/control-flow/control- flow
Question 9:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while
others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft SQL server that has Data Quality Services (DQS) installed.
You need to review the completeness and the uniqueness of the data stored in the matching policy.
Solution: You create a matching rule.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Use a matching rule, and use completeness and uniqueness data to determine what weight to give a field in the matching process.
If there is a high level of uniqueness in a field, using the field in a matching policy can decrease the matching results, so you may want to set the weight for that field to a relatively small value. If you have a low level of uniqueness for a column,
but low completeness, you may not want to include a domain for that column.
References: https://docs.microsoft.com/en-us/sql/data-quality-services/create-a-matching-policy? view=sql-server-2017
Question 10:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while
others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft SQL server that has Data Quality Services (DQS) installed.
You need to review the completeness and the uniqueness of the data stored in the matching policy.
Solution: You profile the data.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Use a matching rule.
References: https://docs.microsoft.com/en-us/sql/data-quality-services/create-a-matching-policy?view=sql-server-2017
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