MICROSOFT AZURE CERTIFICATION Exam DP-900 Questions V12.02 Microsoft Azure certification Topics - Microsoft Azure Data Fundamentals Valid DP-900 Study Guide [2022] For Passing Successfully 1.HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: Explanation: Graphical user interface, text, application Description automatically generated 2. What are two uses of data visualization? Each correct answer present a complete solution. NOTE: Each correct selection is worth one point. A. Represent trends and patterns over time. B. Communicate the significance of data. C. implement machine learning to predict future values. D. Consistently implement business logic across reports Answer: A,B Explanation: Data visualization is a key component in being able to gain insight into your data. It helps make big and small data easier for humans to understand. It also makes it easier to detect patterns, trends, and outliers in groups of data. Data visualization brings data to help you find key business insights quickly and effectively. Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/spark/apache- spark-data-visualization Valid DP-900 Study Guide [2022] For Passing Successfully 3. HOTSPOT Select the answer that correctly completes the sentence. Answer: Explanation: Graphical user interface, text, application, email Description automatically generated A treemap chart divides the chart area into rectangles that represent the different levels and relative sizes of the data hierarchy. 4. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Valid DP-900 Study Guide [2022] For Passing Successfully Answer: Explanation: A screenshot of a computer Description automatically generated with medium confidence 5. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Valid DP-900 Study Guide [2022] For Passing Successfully Answer: Explanation: Paginated Reports https://powerbi.microsoft.com/en-us/blog/announcing-paginated-reports-in-power-bi- general-availability/ 6. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: Explanation: Text Description automatically generated 7. Which statement is an example of Data Manipulation Language (DML)? A. REVOKE B. DISABLE C. CREATE Valid DP-900 Study Guide [2022] For Passing Successfully D. UPDATE Answer: D Explanation: Data Manipulation Language (DML) affect the information stored in the database. Use these statements to insert, update, and change the rows in the database. BULK INSERT DELETE INSERT SELECT UPDATE MERGE Reference: https://docs.microsoft.com/en-us/sql/t-sql/statements/statements 8. HOTSPOT For each of the following statements. select Yes if the statement is true. Otherwise, select No. NOTE Each correct selection is worth one point. Answer: 9. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Valid DP-900 Study Guide [2022] For Passing Successfully Answer: Explanation: Graphical user interface, text, application Description automatically generated 10. DRAG DROP Match the security components to the appropriate scenarios. To answer, drag the appropriate component from the column on the left to its scenario on the right. Each component may be used once, more than once, or not at all. NOTE: Each correct match is worth one point. Answer: Valid DP-900 Study Guide [2022] For Passing Successfully 11. You are writing a set of SQL queries that administrators will use to troubleshoot an Azure SQL database. You need to embed documents and query results into a SQL notebook. What should you use? A. Microsoft SQL Server Management Studio (SSMS) B. Azure Data Studio C. Azure CLI D. Azure PowerShell Answer: B Explanation: Reference: https://www.mssqltips.com/sqlservertip/5997/create-sql-server-notebooks- in-azure-data-studio/ 12. Your company needs to implement a relational database in Azure. The solution must minimize ongoing maintenance. Which Azure service should you use? A. Azure HDInsight B. Azure SQL Database C. Azure Cosmos DB D. SQL Server on Azure virtual machines Answer: B Explanation: Reference: https://azure.microsoft.com/en-us/services/sql-database/#features 13. You need to recommend a data store service that meets the following requirements: ✑ Native SQL API access ✑ Configurable indexes What should you recommend? A. Azure Files B. Azure Blob storage C. Azure Table storage D. Azure Cosmos DB Valid DP-900 Study Guide [2022] For Passing Successfully Answer: D Explanation: Azure Cosmos DB comes with native Core (SQL) API support. In Azure Cosmos DB, data is indexed following indexing policies that are defined for each container. The default indexing policy for newly created containers enforces range indexes for any string or number. This policy can be overridden with your own custom indexing policy. Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-manage- indexing-policy 14. What are two benefits of platform as a service (PaaS) relational database offerings in Azure, such as Azure SQL Database? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point. A. complete control over backup and restore processes B. access to the latest features C. in-database machine learning services D. reduced administrative effort for managing the server infrastructure Answer: B,D Explanation: Azure SQL Database is a fully managed platform as a service (PaaS) database engine that handles most of the database management functions such as upgrading, patching, backups, and monitoring without user involvement. SQL Database delivers predictable performance with multiple resource types, service tiers, and compute sizes. It provides dynamic scalability with no downtime, built-in intelligent optimization, global scalability and availability, and advanced security options. These capabilities allow you to focus on rapid app development and accelerating your time-to-market, rather than on managing virtual machines and infrastructure. Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/sql-database- paas-overview 15. DRAG DROP Match the types of activities to the appropriate Azure Data Factory activities. To answer, drag the appropriate activity type from the column on the left to its Data Factory activity on the right. Each activity type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point. Valid DP-900 Study Guide [2022] For Passing Successfully Answer: 16. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: Valid DP-900 Study Guide [2022] For Passing Successfully 17. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: 18. You need to store data in Azure Blob storage for seven years to meet your company's compliance requirements. The retrieval time of the data is unimportant. The solution must minimize storage costs. Which storage tier should you use? Valid DP-900 Study Guide [2022] For Passing Successfully A. Archive B. Hot C. Cool Answer: A 19. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: 20. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer: Valid DP-900 Study Guide [2022] For Passing Successfully Explanation: Box 1: Yes Big data solutions often use long-running batch jobs to filter, aggregate, and otherwise prepare the data for analysis. Usually these jobs involve reading source files from scalable storage (like HDFS, Azure Data Lake Store, and Azure Storage), processing them, and writing the output to new files in scalable storage. Box 2: No Box 3: No 21. Your company recently reported sales from the third quarter. You have the chart shown in the following exhibit. Valid DP-900 Study Guide [2022] For Passing Successfully Which type of analysis is shown for the fourth quarter? A. predictive B. prescription C. descriptive D. diagnostic Answer: A Explanation: Reference: https://demand-planning.com/2020/01/20/the-differences-between-descriptive- diagnostic-predictive-cognitive-analytics/ https://azure.microsoft.com/en-us/blog/answering-whats-happening-whys-happening- and-what-will-happen-with-iot-analytics/ 22. You have an application that runs on Windows and requires across to a mapped drive. Which Azure service should you use? A. Azure Cosmos DB B. Azure Table storage C. Azure Files Valid DP-900 Study Guide [2022] For Passing Successfully D. Azure Blob Storage Answer: A 23. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer: 24. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Valid DP-900 Study Guide [2022] For Passing Successfully Answer: Explanation: Box 1: Yes Like IaaS, PaaS includes infrastructure C servers, storage, and networking C but also middleware, development tools, business intelligence (BI) services, database management systems, and more. PaaS is designed to support the complete web application lifecycle: building, testing, deploying, managing, and updating. PaaS allows you to avoid the expense and complexity of buying and managing software licenses, the underlying application infrastructure and middleware, container orchestrators such as Kubernetes, or the development tools and other resources Box 2: Yes You manage the applications and services you develop, and the cloud service provider typically manages everything else. Valid DP-900 Study Guide [2022] For Passing Successfully Box 3: No There really is no way to pause / stop billing for your Azure SQL Database. Microsoft's official answer "Yes, you can export your database. Delete the Azure SQL database and that will pause billing. Then when you need it you can create a new database and import your previously exported DB." 25. You have a quality assurance application that reads data from a data warehouse. Which type of processing does the application use? A. Online Transaction Processing (OLTP) B. batch processing C. Online Analytical Processing (OLAP) D. stream processing Answer: A Explanation: OLTP is designed to serve as a persistent data store for business or front-end applications. OLTP administers day to day transaction of an organization. Reference: https://sqlwizard.blog/2020/03/15/sql-server-oltp-vs-olap/ 26. You need to gather real-time telemetry data from a mobile application. Which type of workload describes this scenario? A. Online Transaction Processing (OLTP) B. batch C. massively parallel processing (MPP) D. streaming Answer: D Explanation: Reference: https://docs.microsoft.com/en-in/azure/azure-monitor/overview Valid DP-900 Study Guide [2022] For Passing Successfully 27. HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer: 28. HOTSPOT For each of the following statements, select yes if the statement is true, Otherwise, select No. Note: Each correct selection is worth one point. Answer: Valid DP-900 Study Guide [2022] For Passing Successfully 29. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: 30. What Is a benefit of hosting a database on Azure SQL managed instance as compared to an Azure SQL database? A. native support for cross-database queries and transactions B. built-in high availability C. system-Initiated automatic backups D. support for encryption at rest Valid DP-900 Study Guide [2022] For Passing Successfully Answer: A Explanation: Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/features- comparison 31. HOTSPOT To complete the sentence, select the appropriate option in the answer area. Answer: Explanation: Box 1: simple lookups A key/value store associates each data value with a unique key. Most key/value stores only support simple query, insert, and delete operations. To modify a value (either partially or completely), an application must overwrite the existing data for the entire value. In most implementations, reading or writing a single value is an atomic operation. An application can store arbitrary data as a set of values. Any schema information must be provided by the application. The key/value store simply retrieves or stores the value by key. 32. You need to create a visualization of running sales totals per quarter as shown in the following exhibit.