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Question 1:

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

A. descriptive

B. diagnostic

C. predictive

D. prescriptive

Correct Answer: B

Question 2:

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?

A. predictive

B. prescription

C. descriptive

D. diagnostic

Correct Answer: A

Predictive, to answer the question: What will happen?

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/

Question 3:

What are the two uses of data visualization? Each correct answer presents 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

Correct Answer: AB

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

Question 4:

You have an e-commerce application that reads and writes data to an Azure SQL database. Which type of processing does the application use?

A. stream processing

B. batch processing

C. Online Analytical Processing (OLTP)

D. Online Transaction Processing (OLTP)

Correct Answer: D

OLTP is designed to serve as a persistent data store for business or front-end applications. OLTP administers the day-to-day transaction of an organization.

Reference: https://sqlwizard.blog/2020/03/15/sql-server-oltp-vs-olap/

Question 5:

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

A. Data is processed as it is created.

B. Low latency is expected

C. High latency acceptable

D. Data is processed periodically

Correct Answer: AB

Real-time processing deals with streams of data that are captured in real-time and processed with minimal latency to generate real-time (or near-real-time) reports or automated responses.

Reference: https://docs.microsoft.com/en-us/azure/architecture/data-guide/big-data/real-time-processing

Question 6:

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.

A. Azure Databricks

B. Azure Log Analytics

C. Azure Time Series Insights

D. Azure HDinsight

Correct Answer: AD

Reference: https://www.sqlshack.com/a-beginners-guide-to-azure-databricks/

Question 7:

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?

A. a dashboard

B. Microsoft Power Apps

C. a dataflow

D. a report

Correct Answer: D

Reference: https://docs.microsoft.com/en-us/power-bi/consumer/end-user-dashboards https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-kpi https://docs.microsoft.com/en-us/power-bi/consumer/end-user-drill

Question 8:

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

A. Power BI Report Builder

B. Power BI Desktop

C. Charticulator

D. the Power BI service

Correct Answer: A

Power BI Report Builder is the standalone tool for authoring paginated reports for the Power BI service. Reference: https://docs.microsoft.com/en-us/power-bi/paginated-reports/paginated-reports-report-builder-power-bi

Question 9:

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?

A. stream processing

B. Online Transaction Processing (OLTP)

C. batch processing

D. Online Analytical Processing (OLAP)

Correct Answer: D

Reference: https://datawarehouseinfo.com/how-does-oltp-differ-from-olap-database/

Question 10:

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

A. Azure Queue storage

B. Azure Data Lake Storage

C. Azure table storage

D. Azure Files

Correct Answer: B

Reference: https://docs.microsoft.com/en-us/azure/storage/blobs/data-lake-storage-access-control

Question 11:

You have a transactional application that stems data in an Azure SQL-managed instance. When should you implement a read-only database replica?

A. You need to generate reports without affecting the transactional workload.

B. You need to audit the transactional application.

C. You need to implement high availability in the event of a regional outage

D. You need to improve the recovery point objective (RPO).

Correct Answer: A

Use read-only replicas to offload read-only query workloads.

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/read-scale-out

Question 12:

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

D. Azure Blob Storage

Correct Answer: A

Question 13:

Your company needs to design a database that illustrates the relationships between utilization levels of individual network devices across a local area network. Which type of data store should you use?

A. Key/value

B. Graph

C. Document

D. columnar

Correct Answer: B

Data, as it appears in the real world, is naturally connected. Traditional data modeling focuses on defining entities separately and computing their relationships at runtime. While this model has its advantages, highly connected data can be challenging to manage under its constraints.

A graph database approach relies on persisting relationships in the storage layer instead, which leads to highly efficient graph retrieval operations. Azure Cosmos DB\’s Gremlin API supports the property graph model.

Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/graph-introduction#introduction-to-graph-databases

Question 14:

You need to recommend a non-relational data store that is optimized for storing and retrieving files, videos, audio streams, 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?

A. document

B. key/value

C. object

D. columnar

Correct Answer: C

Object storage is optimized for storing and retrieving large binary objects (images, files, video, and audio streams, large application data objects and documents, and virtual machine disk images). Large data files are also popularly used in this model, for example, delimiter files (CSV), parquet, and ORC. Object stores can manage extremely large amounts of unstructured data.

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

Question 15:

You need to create an Azure Storage account.

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

Which two types of replicas can you use for the storage account?

Each correct answer presents a complete solution.NOTE: Each correct selection is worth one pint.

A. read-access geo-redundant storage (RA_GRS)

B. zone-redundant storage (ZRS)

C. geo-redundant storage (GRS)

D. locally-redundant storage (LRS)

Correct Answer: AC

Azure Storage offers two options for copying your data to a secondary region:

Geo-redundant storage (GRS)

Geo-zone-redundant storage (GZRS)

With GRS or GZRS, the data in the secondary region isn’t available for read or write access unless there is a failover to the secondary region.

For read access to the secondary region, configure your storage account to use read-access geo-redundant storage (RA-GRS) or read-access geo-zone-redundant storage (RA-GZRS).

Reference:

https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy#redundancy-in-a-secondary-region

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