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Microsoft 70-767 Exam

Status: RETIRED
Certification Provider: Microsoft
Exam Name: Implementing a SQL Data Warehouse
Number of questions in our database: 167
Exam Version: 01-01-1970
70-767 Exam Official Topics:
  • Topic 1: Design And Implement Dimension Tables/ Determine Support Requirements For Slowly Changing Dimensions
  • Topic 2: Determine Attributes, Design Hierarchies, Determine Star Or Snowflake Schema Requirements
  • Topic 3: Design And Implement Fact Tables/ Identify Measures, Identify Dimension Table Relationships, Create Composite Keys
  • Topic 4: Design And Implement Indexes For A Data Warehouse Workload/ Design Storage For A Data Warehouse
  • Topic 5: Design An Indexing Solution; Select Appropriate Indexes; Implement Clustered, Non-Clustered, Filtered, And Columnstore Indexes
  • Topic 6: Design And Implement Partitioned Tables And Views/ Design A Partition Structure To Support A Data Warehouse, Implement Sliding Windows
  • Topic 7: Design And Implement An Extract, Transform, And Load (ETL) Control Flow By Using A SQL Server Integration Services (SSIS) Package
  • Topic 8: Design And Implement An ETL Data Flow By Using An SSIS Package/ Deploy And Configure SSIS Packages And Projects
  • Topic 9: Implement An ETL Solution That Supports Incremental Data Extraction/ Implement An ETL Solution That Supports Incremental Data Loading
  • Topic 10: Create A Data Quality Services (DQS) Knowledge Base, Determine Appropriate Use Cases For A DQS Knowledge Base
  • Topic 11: Maintain Data Quality By Using DQS/ Add Matching Knowledge To A Knowledge Base, Prepare A DQS For Data Deduplication
  • Topic 12: Implement A Master Data Services (MDS) Model/ Manage Data By Using MDS/ Use MDS Tools, Use The Master Data Services Configuration Manager
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Free Microsoft 70-767 Exam Actual Questions

The questions for 70-767 were last updated On 01-01-1970

Question #1

You are developing a Microsoft SQL Server Master Data Services (MDS) solution.

The model contains an entity named Product. The Product entity has three user-defined attributes named Category, Subcategory, and Price, respectively.

You need to ensure that combinations of values stored in the Category and Subcategory attributes are unique.

What should you do?

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Question #2

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You are a database administrator for an e-commerce company that runs an online store. The company has the databases described in the following table.

Each day, you publish a Microsoft Excel workbook that contains a list of product names and current prices to an external website. Suppliers update pricing information in the workbook. Each supplier saves the workbook with a unique name.

Each night, the Products table is deleted and refreshed from MDS by using a Microsoft SQL Server Integration Services (SSIS) package. All files must be loaded in sequence.

You need to add a data flow in an SSIS package to perform the Excel files import in the data warehouse.

What should you use?

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Correct Answer: A

If you're familiar with SSIS and don't want to run the SQL Server Import and Export Wizard, create an SSIS package that uses the Excel Source and the SQL Server Destination in the data flow.

References: https://docs.microsoft.com/en-us/sql/integration-services/import-export-data/import-data-from-excel-to-sql


Question #3

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You are a database administrator for an e-commerce company that runs an online store. The company has three databases as described in the following table.

You plan to load at least one million rows of data each night from DB1 into the OnlineOrder table. You must load data into the correct partitions using a parallel process.

You create 24 Data Flow tasks. You must place the tasks into a component to allow parallel load. After all of the load processes compete, the process must proceed to the next task.

You need to load the data for the OnlineOrder table.

What should you use?

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Correct Answer: H

The Parallel Loop Task is an SSIS Control Flow task, which can execute multiple iterations of the standard Foreach Loop Container concurrently.

References: http://www.cozyroc.com/ssis/parallel-loop-task


Question #4

Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.

You have a Microsoft SQL Server data warehouse instance that supports several client applications.

The data warehouse includes the following tables: Dimension.SalesTerritory, Dimension.Customer, Dimension.Date, Fact.Ticket, and Fact.Order. The Dimension.SalesTerritory and Dimension.Customer tables are frequently updated. The Fact.Order table is optimized for weekly reporting, but the company wants to change it daily. The Fact.Order table is loaded by using an ETL process. Indexes have been added to the table over time, but the presence of these indexes slows data loading.

All data in the data warehouse is stored on a shared SAN. All tables are in a database named DB1. You have a second database named DB2 that contains copies of production data for a development environment. The data warehouse has grown and the cost of storage has increased. Data older than one year is accessed infrequently and is considered historical.

You have the following requirements:

You are not permitted to make changes to the client applications.

You need to optimize the storage for the data warehouse.

What change should you make?

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Correct Answer: A

Create the load staging table in the same filegroup as the partition you are loading.

Create the unload staging table in the same filegroup as the partition you are deleteing.

From scenario: Data older than one year is accessed infrequently and is considered historical.

References: https://blogs.msdn.microsoft.com/sqlcat/2013/09/16/top-10-best-practices-for-building-a-large-scale-relational-data-warehouse/


Question #5

Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.

You have a Microsoft SQL Server data warehouse instance that supports several client applications.

The data warehouse includes the following tables: Dimension.SalesTerritory, Dimension.Customer, Dimension.Date, Fact.Ticket, and Fact.Order. The Dimension.SalesTerritory and Dimension.Customer tables are frequently updated. The Fact.Order table is optimized for weekly reporting, but the company wants to change it daily. The Fact.Order table is loaded by using an ETL process. Indexes have been added to the table over time, but the presence of these indexes slows data loading.

All data in the data warehouse is stored on a shared SAN. All tables are in a database named DB1. You have a second database named DB2 that contains copies of production data for a development environment. The data warehouse has grown and the cost of storage has increased. Data older than one year is accessed infrequently and is considered historical.

You have the following requirements:

*Implement table partitioning to improve the manageability of the data warehouse and to avoid the need to repopulate all transactional data each night. Use a partitioning strategy that is as granular as possible.

*Partition the Fact.Order table and retain a total of seven years of data.

*Partition the Fact.Ticket table and retain seven years of data. At the end of each month, the partition structure must apply a sliding window strategy to ensure that a new partition is available for the upcoming month, and that the oldest month of data is archived and removed.

*Optimize data loading for the Dimension.SalesTerritory, Dimension.Customer, and Dimension.Date tables.

*Incrementally load all tables in the database and ensure that all incremental changes are processed.

*Maximize the performance during the data loading process for the Fact.Order partition.

*Ensure that historical data remains online and available for querying.

*Reduce ongoing storage costs while maintaining query performance for current data.

You are not permitted to make changes to the client applications.

You need to implement the data partitioning strategy.

How should you partition the Fact.Order table?

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Correct Answer: C

We create on partition for each day. 7 years times 365 days is 2,555. Make that 2,557 to provide for leap years.

From scenario: Partition the Fact.Order table and retain a total of seven years of data.

Maximize the performance during the data loading process for the Fact.Order partition.



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