Microsoft DP-900 Microsoft Azure Data Fundamentals Online Training

HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Disadvantages of non-relational databases include: Data Consistency ― non-relational databases do not perform ACID transactions.

Note: Relational databases are optimized for writes. They are optimized for consistency and availability. Advantages of relational databases include simplicity, ease of data retrieval, data integrity, and flexibility.

Incorrect Answers:

Use a relational database when data that you work with is structured, and the structure is not subject to frequent changes.

Use Cloud storage (no relational database) for geographically distributed writes.

Reference: https://towardsdatascience.com/choosing-the-right-database-c45cd3a28f77

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

A bar chart showing year-to date sales by region is an example of which type of analytics?

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Generally speaking, data analytics comes in four types (Figure 1):

Descriptive, to answer the question: What’s happening?

Diagnostic, to answer the question: Why’s happening?

Predictive, to answer the question: What will happen?

Prescriptive, to answer the question: What actions should we take?

Reference: https://azure.microsoft.com/en-us/blog/answering-whats-happening-whys-happening-and-what-will-happen-with-iot-analytics/

DRAG DROP

Your company plans to load data from a customer relationship management (CRM) system to a data warehouse by using an extract load, and transform (ELT) process.

Where does data processing occur for each stage of the ELT process? To answer, drag the appropriate

locations to the correct. Each location may be used once, or not at all, You may need to drag the split

bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: The CRM system

Data is extracted from the CRM system.

Box 2: The data warehouse

Data is loaded to the data warehouse.

Box 3: An in-memory data integration tool

The data transformation that takes place usually involves various operations, such as filtering, sorting, aggregating, joining data, cleaning data, deduplicating, and validating data.

Reference: https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/etl

Your company recently reported sales from the third quarter.

You have the chart shown in the following exhibit.

Which type of analysis is shown for the fourth quarter?

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DRAG DROP

Match the types of workloads the appropriate scenario.

To answer, drag the appropriate workload type from the column on the left to its scenario on the right. Each workload type may be used once, more than once or not at all. NOTE: Each correct match is worth one point.

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For each of the following statements, select yes if the statement is true, Otherwise, select No. Note: Each correct selection is worth one point.

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DRAG DROP

Match the types of analytics that can be used to answer the business questions.

To answer, drag the appropriate analytics type from the column on the left to its question on the right. Each analytics type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Reference: https://demand-planning.com/2020/01/20/the-differences-between-descriptive-diagnostic-predictive-cognitive-analytics/

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

What are two uses of data visualization? Each correct answer present a complete solution. NOTE: Each correct selection is worth one point.

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DRAG DROP

Match the types of workloads to the appropriate scenarios.

To answer, drag the appropriate workload type from the column on the left to its scenario on the right. Each workload type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Box 1: Batch

Batch processing refers to the processing of blocks of data that have already been stored over a period of time.

Box 2: Streaming

Stream processing is a big data technology that allows us to process data in real-time as they arrive and detect conditions within a small period of time from the point of receiving the data. It allows us to feed data into analytics tools as soon as they get generated and get instant analytics results.

Box 3: Batch

Reference: https://docs.microsoft.com/en-us/azure/architecture/data-guide/technology-choices/batch-processing

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Paginated Reports

https://powerbi.microsoft.com/en-us/blog/announcing-paginated-reports-in-power-bi-general-availability/

DRAG DROP

Match the Azure services to the appropriate locations in the architecture.

To answer, drag the appropriate service from the column on the left to its location on the right. Each service may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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You have an e-commerce application that reads and writes data to an Azure SQL database.

Which type of processing does the application use?

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What are two characteristics of real-time data processing? Each correct answer present a complete solution. NOTE: Each correct selection is worth one point.

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Which two Azure services can be used to provision Spark clusters? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

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You need to develop a solution to provide data to executives. the solution must provide an interactive graphic interface, depict various key performance indications, and support data exploration by using drill down.

What should you use in Microsoft Power BI?

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What should you use to build a Microsoft Power BI paginated report?

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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.

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Correct Answer:

DRAG DROP

match the Azure data factory components to the appropriate descriptions.

To answer, drag the appropriate component from the column on the left to its description on the right. Each component may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Box 1: Dataset

Datasets must be created from paths in Azure datastores or public web URLs, for the data to be accessible by Azure Machine Learning.

Box 2: Linked service

Linked services are much like connection strings, which define the connection information needed for Data Factory to connect to external resources.

Box 3: Pipeline

A pipeline is a logical grouping of activities that together perform a task.

Reference:

https://k21academy.com/microsoft-azure/dp-100/datastores-and-datasets-in-azure/

https://docs.microsoft.com/en-us/azure/data-factory/concepts-linked-services

https://docs.microsoft.com/en-us/azure/data-factory/concepts-pipelines-activities

Your company has a reporting solution that has paginated reports. The reports query a dimensional model in a data warehouse.

Which type of processing does the reporting solution use?

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DRAG DROP

Match the Azure services to appropriate requirements.

To answer, drag the appropriate services from the column on the left to its requirement on the right. Each service may be used once. more than once, or not at all. NOTE: Each correct match is worth one point.

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To complement the sentence, select the appropriate option in the answer area.

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Correct Answer:

Which Azure storage solution provides native support for POSIX-compliant access control lists (ACLs)?

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You have a transactional application that stem data in an Azure SQL managed instance.

When should you implement a read-only database replica?

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For each of the following statements, select Yes if the statement is true, Otherwise, select No. NOTE: Each correct selection is worth one point.

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HOTSPOT

For each of the following statements, select yes if he statement is true, Otherwise select No. NOTE: Each correct selection is worth one point.

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To complete the sentence, select the appropriate option in the answer area.

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Correct 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.

Reference: https://docs.microsoft.com/en-us/azure/architecture/guide/technology-choices/data-store-overview

You have an application that runs on Windows and requires across to a mapped drive.

Which Azure service should you use?

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To complete the sentence, select the appropriate option in the answer area.

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Your company needs to design a database that shows how changes traffic in one area of a network affect other components on the network.

Which type of data store should you use?

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You need to recommend a non-relational data store that is optimized for storing and retrieving files, videos, audio stream, and virtual disk images. The data store must store data, some metadata, and a unique ID for each file.

Which type of data store should you recommend?

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You need to create an Azure Storage account.

Data in the account must replica outside the Azure region automatically.

Which two types of replica can you us for the storage account? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one pint.

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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.

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Correct Answer:

When can you use an Azure Resource Manager template?

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When provisioning an Azure Cosmos DB account, which feature provides redundancy within an Azure region?

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At which level in Azure Cosmos DB can you configure multiple write regions and read regions?

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Your company if designing an application that will write a high volume of JSON data and will have an application-defined schema.

Which type of data store should you use?

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At which two levels can you set the throughput for an Azure Cosmos DB account? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

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DRAG DROP

Match the Azure Data Lake Storage terms to the appropriate levels in the hierarchy.

To answer, drag the appropriate term from the column on the left to its level on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Box 1: Azure Storage account

Azure file shares are deployed into storage accounts, which are top-level objects that represent a shared pool of storage.

Box 2: File share

Reference: https://docs.microsoft.com/en-us/azure/storage/files/storage-how-to-create-file-share

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Your company is designing a data store tor internet-connected temperature sensors. The collected data will be used to analyze temperature trends.

Which type of data store should you use?

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What is a benefit of the Azure Cosmos DB Table API as compared to Azure Table storage?

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Which setting can only be configured during the creation of an Azure Cosmos DB account?

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DRAG DROP

Match the types of data to the appropriate Azure data services.

To answer, drag the appropriate data types from the column on the left to its service on the right. Each data type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Box 1: Image files

Azure Blob storage is suitable for image files.

Box 2: Key/value pairs

Azure CosmosDB table API is a key-value storage hosted in the cloud.

Box 3: Relationship between employees

One-to-many relationships between business domain objects occur frequently: for example, one department has many employees. There are several ways to implement one-to-many relationships in the Azure Table service.

Reference: https://docs.microsoft.com/en-us/azure/storage/tables/table-storage-design-modeling

DRAG DROP

Match the tools to the appropriate descriptions.

To answer, drag the appropriate tool from the column on the left to its description on the right. Each tool may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Which statement is an example of Data Manipulation Language (DML)?

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You have a SQL query that combines customer data and order dat a. The query includes calculated columns.

You need to persist the SQL query so that other users can use the query.

What should you create?

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HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://teachcomputerscience.com/relational-databases/

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.

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Correct Answer:

Which Azure SQL offering supports automatic database scaling and automatic pausing of the database during inactive periods?

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HOTSPOT

You have the following SQL query.

NOTE: Each correct selection is worth one point.

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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.

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Correct Answer:

Explanation:

Box 1: Yes

Tables are database objects that contain all the data in a database. In tables, data is logically organized in a row-and-column format similar to a spreadsheet. Each row represents a unique record, and each column represents a field in the record.

Box 2: No

An index is an on-disk structure associated with a table or view that speeds retrieval of rows from the

table or view.

Box 3: Yes

A view is a virtual table whose contents are defined by a query. Like a table, a view consists of a set of named columns and rows of data.

Reference:

https://docs.microsoft.com/en-us/sql/relational-databases/tables/tables

https://docs.microsoft.com/en-us/sql/relational-databases/indexes/clustered-and-nonclustered-indexes-described

https://docs.microsoft.com/en-us/sql/relational-databases/views/views?view=sql-server-ver15

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.

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Your company needs to ensure that in Azure virtual machine can connect to Azure SQL databases without exposing the databases to the internet.

What should you use?

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You are deploying a software as a service (SaaS) application that requires a relational database for Online Transaction Processing (OLTP).

Which Azure service should you use to support the application?

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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.

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Correct Answer:

Explanation:

Box 1: No

Microsoft handles all patching and updating of the SQL and operating system code. You don’t have to manage the underlying infrastructure.

Box 2: Yes

SQL Database is a fully managed service that has built-in high availability, backups, and other common maintenance operations.

Box 3: No

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/sql-database-paas-overview

You have an Azure SQL database that you access directly from the internet.

You recently changed your external IP address.

After changing the IP address, you can no longer access the database. You can connect to other resources in Azure

What is a possible cause of the issue?

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When you create an Azure SQL database, which account can always connect to the database?

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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.

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Correct Answer:

What Is a benefit of hosting a database on Azure SQL managed instance as compared to an Azure SQL database?

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DRAG DROP

You have a table named Sales that contains the following data.

You need to query the table to return the average sales amount day. The output must produce the following results.

How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: SELECT

Box 2: GROUP BY

Example:

When used with a GROUP BY clause, each aggregate function produces a single value covering each group, instead of a single value covering the whole table. The following example produces summary values for each sales territory in the AdventureWorks2012 database. The summary lists the average bonus received by the sales people in each territory, and the sum of year-to-date sales for each territory.

SELECT TerritoryID, AVG(Bonus)as ‘Average bonus’, SUM(SalesYTD) as ‘YTD sales’

FROM Sales.SalesPerson

GROUP BY TerritoryID;

Reference: https://docs.microsoft.com/en-us/sql/t-sql/functions/avg-transact-sql

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.

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A team of developers has computers Thai run Windows 10 and Ubuntu Desktop.

The developers need to connect to and query an Azure SQL database from the computers. The developers require code assistance features such as intellSense.

What should the developers use?

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To complete the sentence select the appropriate option in the answer area.

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Correct Answer:

HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://demand-planning.com/2020/01/20/the-differences-between-descriptive-diagnostic-predictive-cognitive-analytics/

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.

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Correct Answer:

Explanation:

Reference: https://www.sqlshack.com/what-is-database-normalization-in-sql-server/

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/etl

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://www.bmc.com/blogs/what-is-batch-processing-batch-processing-explained/

HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://azure.microsoft.com/en-us/services/cognitive-services/speech-services/

HOTSPOT

You have the following JSON document.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the JSON document. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Reference:

https://www.w3schools.com/js/js_json_arrays.asp

https://www.w3schools.com/js/js_json_objects.asp

HOTSPOT

You are reviewing the data model shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic. NOTE: Each correct selection is worth one point

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Correct Answer:

Explanation:

Reference:

https://en.wikipedia.org/wiki/Snowflake_schema

https://azure.microsoft.com/en-us/blog/data-models-within-azure-analysis-services-and-power-bi/

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/massively-parallel-processing-mpp-architecture

HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/sql/relational-databases/indexes/clustered-and-nonclustered-indexes-described?view=sql-server-ver15

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To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/sql/relational-databases/views/views

You need to query a table named Products in an Azure SQL database.

Which three requirements must be met to query the table from the internet? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point. (Choose three.)

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You have an inventory management database that contains the following table.

Which statement should you use in a SQL query to change the inventory quantity of Product1 to 270?

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Your company needs to implement a relational database in Azure. The solution must minimize ongoing maintenance.

Which Azure service should you use?

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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?

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DRAG DROP

Match the terms to the appropriate descriptions.

To answer, drag the appropriate term from the column on the left to its description on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Reference:

https://en.wikipedia.org/wiki/Table_(database)#:~:text=A%20table%20is%20a%20collection,table%20format%20within%20a%20database.&text=In%20relational%20databases%2C%20and%20flat,a%20row%20and%20column%20intersect.

https://en.wikipedia.org/wiki/View_(SQL)

https://en.wikipedia.org/wiki/Database_index#:~:text=A%20database%20index%20is%20a,maintain %20the%20index%20data%20structure.

Which command-line tool can you use to query Azure SQL databases?

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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.

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Correct Answer:

Explanation:

Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/sql-database-paas-overview

https://azure.microsoft.com/en-us/blog/announcing-sql-atp-and-sql-vulnerability-assessment-general-availability/

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.

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Correct Answer:

Explanation:

Reference:

https://docs.microsoft.com/en-us/sql/big-data-cluster/connect-to-big-data-cluster?view=sql-server-ver15

https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-query-ssms

https://docs.microsoft.com/en-us/azure/mariadb/connect-workbench

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.

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Correct Answer:

Explanation:

Reference:

https://azure.microsoft.com/en-gb/blog/hot-patching-sql-server-engine-in-azure-sql-database/

https://azure.microsoft.com/en-us/services/sql-database/#product-overview

Which statement is an example of Data Definition Language (DDL)?

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HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/transparent-data-encryption-tde-overview?tabs=azure-portal

You need to ensure that users use multi-factor authentication (MFA) when connecting to an Azure

SQL database.

Which type of authentication should you use?

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HOTSPOT

To complete the sentence, select the appropriate option in the answer area.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/security/fundamentals/infrastructure-sql

You need to design and model a database by using a graphical tool that supports project-oriented offline database development.

What should you use?

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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.

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Correct Answer:

Explanation:

Reference:

https://docs.microsoft.com/en-us/sql/database-engine/configure-windows/configure-a-windows-firewall-for-database-engine-access?view=sql-server-ver15

https://docs.microsoft.com/en-us/azure/azure-sql/database/authentication-aad-overview

https://docs.microsoft.com/en-us/azure/azure-sql/database/always-encrypted-certificate-store-configure

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.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/high-availability

DRAG DROP

Match the types of data stores to the appropriate scenarios.

To answer, drag the appropriate data store type from the column on the left to its scenario on the right. Each data store type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/architecture/guide/technology-choices/data-store-overview

You have an Azure Cosmos DB account that uses the Core (SQL) API.

Which two settings can you configure at the container level? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point. (Choose two.)

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Your company is designing a data store that will contain student data.

The data has the following format.

Which type of data store should you use?

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Which storage solution supports role-based access control (RBAC) at the file and folder level?

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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?

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Which type of non-relational data store supports a flexible schema, stores data as JSON files, and stores the all the data for an entity in the same document?

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DRAG DROP

Match the Azure Cosmos DB APIs to the appropriate data structures.

To answer, drag the appropriate API from the column on the left to its data structure on the right. Each API may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

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Correct Answer:

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/faq