From a website analytics system, you receive data extracts about user interactions such as downloads, link clicks, form submissions, and video plays. The data contains the following columns: You need to design a star schema to support analytical queries of the dat a. The star schema will contain four tables including a date dimension. To which table should you add each column? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
What should you do after a failover of SalesSQLDb1 to ensure that the database remains accessible to SalesSQLDb1App1?
Correct Answer: C
Scenario: SalesSQLDb1 uses database firewall rules and contained database users. This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided. To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study. At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section. To start the case study To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question. Overview Topic 3, ADatum Corporation Existing Environment ADatum has one database server that has Microsoft SQL Server 2016 installed. The server hosts three mission-critical databases named SALESDB, DOCDB, and REPORTINGDB. SALESDB collects data from the stores and the website. DOCDB stores documents that connect to the sales data in SALESDB. The documents are stored in two different JSON formats based on the sales channel. REPORTINGDB stores reporting data and contains several columnstore indexes. A daily process creates reporting data in REPORTINGDB from the data in SALESDB. The process is implemented as a SQL Server Integration Services (SSIS) package that runs a stored procedure from SALESDB. Requirements Planned Changes ADatum plans to move the current data infrastructure to Azure. The new infrastructure has the following requirements: Migrate SALESDB and REPORTINGDB to an Azure SQL database. Migrate DOCDB to Azure Cosmos DB. The sales data, including the documents in JSON format, must be gathered as it arrives and analyzed online by using Azure Stream Analytics. The analytics process will perform aggregations that must be done continuously, without gaps, and without overlapping. As they arrive, all the sales documents in JSON format must be transformed into one consistent format. Azure Data Factory will replace the SSIS process of copying the data from SALESDB to REPORTINGDB. Technical Requirements The new Azure data infrastructure must meet the following technical requirements: Data in SALESDB must encrypted by using Transparent Data Encryption (TDE). The encryption must use your own key. SALESDB must be restorable to any given minute within the past three weeks. Real-time processing must be monitored to ensure that workloads are sized properly based on actual usage patterns. Missing indexes must be created automatically for REPORTINGDB. Disk IO, CPU, and memory usage must be monitored for SALESDB.
Question 108
You have SQL Server 2019 on an Azure virtual machine that runs Windows Server 2019. The virtual machine has 4 vCPUs and 28 GB of memory. You scale up the virtual machine to 16 vCPUSs and 64 GB of memory. You need to provide the lowest latency for tempdb. What is the total number of data files that tempdb should contain?
Correct Answer: D
Section: [none] Explanation: The number of files depends on the number of (logical) processors on the machine. As a general rule, if the number of logical processors is less than or equal to eight, use the same number of data files as logical processors. If the number of logical processors is greater than eight, use eight data files and then if contention continues, increase the number of data files by multiples of 4 until the contention is reduced to acceptable levels or make changes to the workload/code. Reference: https://docs.microsoft.com/en-us/sql/relational-databases/databases/tempdb-database
Question 109
HOTSPOT You are designing an enterprise data warehouse in Azure Synapse Analytics that will store website traffic analytics in a star schema. You plan to have a fact table for website visits. The table will be approximately 5 GB. You need to recommend which distribution type and index type to use for the table. The solution must provide the fastest query performance. What should you recommend? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Hot Area:
Correct Answer:
Section: [none] Explanation: Box 1: Hash Consider using a hash-distributed table when: The table size on disk is more than 2 GB. The table has frequent insert, update, and delete operations. Box 2: Clustered columnstore Clustered columnstore tables offer both the highest level of data compression and the best overall query performance. Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables- distribute https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-index
Question 110
You have an Azure SQL database named DB3. You need to provide a user named DevUser with the ability to view the properties of DB3 from Microsoft SQL Server Management Studio (SSMS) as shown in the exhibit. (Click the Exhibit tab.) Which Transact-SQL command should you run?
Correct Answer: C
Section: [none] Explanation: The exhibits displays Database [State] properties. To query a dynamic management view or function requires SELECT permission on object and VIEW SERVER STATE or VIEW DATABASE STATE permission. Reference: https://docs.microsoft.com/en-us/sql/relational-databases/databases/database-properties-options-page
