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Valid information provided by Microsoft officials

Exam 70-767: Implementing a Data Warehouse using SQL – Microsoft: https://www.microsoft.com/en-us/learning/exam-70-767.aspx
This exam is intended for extract, transform, and load (ETL) and data warehouse developers who create business intelligence (BI) solutions.
Their responsibilities include data cleansing, in addition to ETL and data warehouse implementation.

pass4itsure 70-767 exam Skills measured

This exam measures your ability to accomplish the technical tasks listed below.

  • Design, implement and maintain a data warehouse (35–40%)
  • Extract, transform and load data (40–45%)
  • Build data quality solutions (15–20%)

The latest Microsoft MCSA 70-767 exam practice questions test your strength

QUESTION 1
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 configure a new matching policy Master Data Services (MDS) as shown in the following exhibit.pass4itsure 70-767 exam question q1

You review the Matching Results of the policy and find that the number of new values matches the new values.
You verify that the data contains multiple records that have similar address values, and you expect some of the records
to match.
You need to increase the likelihood that the records will match when they have similar address values.
Solution: You decrease the minimum matching score of the matching policy.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
We decrease the Min. matching score.
A data matching project consists of a computer-assisted process and an interactive process. The matching project
applies the matching rules in the matching policy to the data source to be assessed. This process assesses the
likelihood that any two rows are matches in a matching score. Only those records with a probability of a match greater
than a value set by the data steward in the matching policy will be considered a match. References:
https://docs.microsoft.com/en-us/sql/data-quality-services/data-matching


QUESTION 2
You are deploying a new SQL Server Integration Services (SSIS) package to several servers. The package must meet
the following requirements:
Correct Answer: B


QUESTION 3
A SQL Server Integration Services (SSIS) package imports daily transactions from several files into a SQL Server table
named Transaction. Each file corresponds to a different store and is imported in parallel with the other files. The data
flow
tasks use OLE DB destinations in fast load data access mode.
The number of daily transactions per store can be very large and is growing. The Transaction table does not have any
indexes.
You need to minimize the package execution time.
What should you do?
A. Partition the table by day and store.
B. Create a clustered index on the Transaction table.
C. Run the package in Performance mode.
D. Increase the value of the Row per Batch property.
Correct Answer: D
Explanation: * Data Access Mode ?This setting provides the \\’fast load\\’ option which internally uses a BULK INSERT
statement for uploading data into the destination table instead of a simple INSERT statement (for each single row) as in
the case for other options.
* BULK INSERT parameters include:
ROWS_PER_BATCH =rows_per_batch
Indicates the approximate number of rows of data in the data file. By default, all the data in the data file is sent to the
server as a single transaction, and the number of rows in the batch is unknown to the query optimizer. If you specify
ROWS_PER_BATCH (with a value > 0) the server uses this value to optimize the bulk- import operation. The value
specified for ROWS_PER_BATCH should approximately the same as the actual number of rows.

QUESTION 4
You are using SQL Server Data Tools to develop a SQL Server Integration Services (SSIS) project.
The first package that you create in this project contains a package connection that accesses a Microsoft Excel file.
Additional packages in the project must also access this file.
You need to define and reuse the Excel file connection in all project packages.
What should you do?
A. Copy the package Connection Manager and paste it in the second package.
B. Set the RetainSameConnection property of the package Connection Manager to True.
C. Convert the package Connection Manager in the first package to a project Connection Manager.
D. Convert the project to the Package Deployment model.
Correct Answer: C

 

QUESTION 5
You are designing a data warehouse hosted on Windows Azure SQL Database. The data warehouse currently includes
the dimUser and dimRegion dimension tables and the factSales fact table. The dimUser table contains records for each
user permitted to run reports against the warehouse, and the dimRegion table contains information about sales regions.
The system is accessed by users from certain regions, 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 regions. Some
users must be permitted to see sales data from multiple regions.
What should you do?
A. For each region, create a view of the factSales table that includes a WHERE clause for the region.
B. Create a userRegion table that contains primary key columns from the dimUser and dimRegion tables.
C. Add a region column to the dimUser table.
D. Partition the factSales table on the region column.
Correct Answer: B

 

QUESTION 6
You are developing a SQL Server Integration Services (SSIS) package that imports data into a data warehouse hosted
on SQL Azure.
The package uses a Foreach container to process text files found in a folder. The package must be deployed to a single
server by using the Project Deployment model. Multiple SQL Server Agent jobs call the package. Each job is executed
on a different schedule.
Each job passes a different folder path to the package.
You need to configure the package to accept the folder path from each job.
Which package configuration should you use?
A. Parent Package Variable
B. XML Configuration File
C. Environment Variable
D. .dtsConfig file
E. Registry Entry
Correct Answer: C

 

QUESTION 7
You have a data quality project that focuses on the Products catalog for the company. The data includes a product
reference number.
The product reference should use the following format: Two letters followed by an asterisk and then four or five
numbers. An example of a valid number is XX*55522. Any reference number that does not conform to the format must
be rejected
during the data cleansing.
You need to add a Data Quality Services (DQS) domain rule in the Products domain.
Which rule should you use?
A. value matches pattern ZA*9876[5]
B. value matches pattern AZ[*]1234[5]
C. value matches regular expression AZ[*]1234[5]
D. value matches pattern [a-zA-Z][a-zA-Z]*[0-9][0-9] [0-9][0-9] [0-9]?
Correct Answer: A
For a pattern matching rule: Any letter (A…Z) can be used as a pattern for any letter; case insensitive Any digit (0…9)
can be used as a pattern for any digit Any special character, except a letter or a digit, can be used as a pattern for itself
Brackets, [], define optional matching
Example: ABC:0000 This rule implies that the data will contain three parts: any three letters followed by a colon (:),
which is again followed by any four digits.

 

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 have a data warehouse that stores information about products, sales, and orders for a manufacturing company.
The instance contains a database that has two tables named SalesOrderHeader and SalesOrderDetail.
SalesOrderHeader
has 500,000 rows and SalesOrderDetail has 3,000,000 rows.
Users report performance degradation when they run the following stored procedure:pass4itsure 70-767 exam question q8

You need to optimize performance.
Solution: You run the following Transact-SQL statement:

pass4itsure 70-767 exam question q8-1

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: A
You can specify the sample size as a percent. A 5% statistics sample size would be helpful.
References: https://docs.microsoft.com/en-us/azure/sql-data-warehouse/sql-data-warehouse-tables-statistics

 

QUESTION 9
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.
Correct Answer: C

 

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 an on-premises Microsoft SQL Server instance and a Microsoft Azure SQL Data Warehouse instance. You
move data from the on-premises database to the data warehouse once each day by using a SQL Server Integration
Services (SSIS) package.
You observe that the package no longer completes within the allotted time.
You need to determine which tasks are taking a long time to complete.
Solution: You alter the package to log the start and completion times for a task to a table in the on-premises SQL Server
instance.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: A

 

QUESTION 11
You are developing a SQL Server Integration Services (SSIS) package to implement an incremental data load strategy.
The package reads data from a source system that uses the SQL Server change data capture (CDC) feature.
You have added a CDC Source component to the data flow to read changed data from the source system.
You need to add a data flow transformation to redirect rows for separate processing of insert, update, and delete
operations.
Which data flow transformation should you use?
A. Audit
B. Merge Join
C. Merge
D. CDC Splitter
Correct Answer: D
Explanation: The CDC splitter splits a single flow of change rows from a CDC source data flow into different data flows
for Insert, Update and Delete operations Ref: http://msdn.microsoft.com/en-us/library/hh758656.aspx

 

QUESTION 12
You are the administrator of a Microsoft SQL Server Master Data Services (MDS) model. The model was developed to
provide consistent and validated snapshots of master data to the ETL processes by using subscription views. A new
model version has been created.
You need to ensure that the ETL processes retrieve the latest snapshot of master data.
What should you do?
A. Add a version flag to the last committed version, and create new subscription views that use this version flag.
B. Update the subscription views to use the last committed version.
C. Add a version flag to the new version, and update the subscription views to use this version flag.
D. Add a version flag to the new version, and create new subscription views that use this version flag.
Correct Answer: D


QUESTION 13
You are developing a SQL Server Integration Services (SSIS) package.
You create a script task in the package.
You need to dynamically set the file name of a connection object named File1 by using the script task
Which line of code should you add to the script task?
A. Me.Dts.Connections(“File1”).AcquireConnection(“C:\temp\temp.txt”)
B. Me.Dts.Connections(“File1”).Variables.Item[“FileName”].value = “C:\temp\temp.txt”
C. Me.Dts.Connections(“File1”).Properties.Item[“FileName”].Setvalue = “C:\temp\temp.txt”
D. Me.Dts.Connections(“File1”).ConnectionString = “C:\temp\temp.txt”
Correct Answer: C

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Exam Code: 70-734
Exam Name: OEM Preinstallation for Windows 10
Q&As: 46

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Pass4itsure Latest and Most Accurate Microsoft 70-734 Dumps Exam Q&As:

QUESTION NO: 64
The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.
A. Analysis
B. Kurtosis
C. Risk
D. Route
70-734 exam Answer: C
QUESTION NO: 65
Hypothesis Testing can help avoid high costs of experimental efforts by using existing data.
A. True
B. False
Answer: A
QUESTION NO: 66
Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to chance. This is determined based on the result of the ______________.
A. Random acts
B. P-values
C. Standard Deviations
D. R-values
70-734 dumps Answer: B
QUESTION NO: 67
It is a Type I error if we reject the Null Hypothesis when it is actually true.
A. True
B. False
Answer: A
QUESTION NO: 68
Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.
A. Problematic
B. Impractical
C. Usable
D. Statistical
70-734 pdf Answer: D
QUESTION NO: 69
Having an Alpha of .05 and a Beta of .10 are the most common risk levels when running a Statistical test.
A. True
B. False
Answer: A
QUESTION NO: 70
The Alpha level of a test (level of significance) represents the yardstick against which P-values are  measured and the Null Hypothesis is rejected if the P-value is which of these?
A. Less than the Alpha level.
B. Greater than the Alpha level.
C. Greater than the Beta and Alpha level.
D. Less than one minus Alpha.
E. Less than the power of one minus Beta.
70-734 vce Answer: A
QUESTION NO: 71
A 1-Sample t-test is used when you want to compare the Median of one distribution to a target value.
A. True
B. False
Answer: B
QUESTION NO: 72
A 1-Sample t-test is used to compare an expected population Mean to a target.
A. True
B. False
70-734 exam Answer: A
QUESTION NO: 73
Unequal Variances can be the result of differing types of distributions.
A. True
B. False
Answer: A
QUESTION NO: 74
Due to excessive pollution, GREEN Solutions Inc. is considering subsidizing public transportation to work for its employees. According to the manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees
showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. Assuming a Normal Distribution for the commute times by either personal or public transportation, which of these is true?
A. The probability that they would arrive on time using personal vehicles is much higher than using the metro public transportation system (MPTS)
B. The probability that they would arrive on time using the MPTS is much higher than using their personal vehicles
C. The two probabilities are about the same excepting in one case the consistency is higher than the other
D. We need to compile more data around weekends to incorporate for traffic differences
E. When Standard Deviation is higher the probability goes down and so the MPTS is worse
70-734 dumps Answer: B
QUESTION NO: 75
According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. For the employees choosing to increase their chances to come on time using personal
transportation their variation should be reduced to ___________?
A. 1 minute
B. 6 minutes
C. 3.5 minutes
D. Eliminate it to 0.0 minutes
Answer: C
QUESTION NO: 76
According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. If the Standard Deviation is uncontrollable then the other option to increase the probability of coming in on time via personal vehicles to work could be ____________?
A. Increase the average time of commute
B. Maintain the average time of commute and change route to work
C. Reduce average commute time to work by departing earlier
D. Change policy at work and request for flexible times based on location
70-734 pdf Answer: C
QUESTION NO: 77
Which of the following is used to test the significance for the analysis of a Variance Table?
A. t Test
B. F Test
C. Chi Square Test
D. Acid Test
Answer: B
QUESTION NO: 78
Non-parametric testing is done when which of these are applicable? (Note: There are 3 correct answers).
A. When the traditional t tests don’t produce the results we need
B. A Hypothesis Test for the Median of the population is in question
C. It does not require data to come from Normally Distributed populations
D. They look at the Median rather than the Mean of populations
E. When there are no parameters to measure in the process
70-734 vce Answer: B,C,D

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