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DP-900 > examtopics > Flashcards

examtopics Flashcards

1
Q
A

what occured in the past

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2
Q
A

No, Yes, Yes

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3
Q
A

c: data that is fully processed before being loaded to the target data store

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4
Q
A

c: latency is expected

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5
Q
A

a: cognitive

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6
Q
A

Diagnostic, Predictive, Cognitive

Descriptive Analytics tells you what happened in the past.

Diagnostic Analytics helps you understand why something happened in the past.

Predictive Analytics predicts what is most likely to happen in the future.

Drescriptive Analytics recommends actions you can take to affect those outcomes.

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7
Q
A

Customer is a root object
Address is a nested object
Social media is a nested array

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8
Q
A

star schema
dimension table

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9
Q
A

a: distibutes processing across compute nodes

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10
Q
A

a: A clustered index

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11
Q
A

c: transactional writes

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12
Q
A

Yes
Yes
Yes

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13
Q
A

Extract: The CRM system
Load: DWH
Transform: DWH

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14
Q
A

descriptive

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15
Q
A

a: Treemap

b: Key influencer
c: Scatter

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16
Q

You need to create an Azure Storage account.
Data in the account must replicate outside the Azure region automatically.
Which two types of replication can you use for the storage account? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. zone-redundant storage (ZRS)

B. read-access geo-redundant storage (RA-GRS)

C. locally-redundant storage (LRS)

D. geo-redundant storage (GRS)

A

B. read-access geo-redundant storage (RA-GRS)
D. geo-redundant storage (GRS)

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17
Q
A

Yes
No
No

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18
Q

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

A. REVOKE

B. DISABLE

C. INSERT

D. GRANT

A

c: Insert
SELECT, INSERT, UPDATE, DELETE are DML

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19
Q

You have a SQL query that combines customer data and order data. The query includes calculated columns.
You need to persist the SQL query so that other users can use the query.
What should you create?

A. an index

B. a view

C. a scalar function

D. a table

A

b: a view

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20
Q
A

simple lookups

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21
Q
A

Image files = Azure Blob storage
Relationship between employees = Azure Cosmos DB Gremlin API Key/value pairs = Azure Table Storage

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22
Q
A

Resource Group -> Storage Account -> Container -> Folders -> Files

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23
Q

What are 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 periodically

B. Low latency is expected

C. High latency is acceptable

D. Data is processed as it is created

A

B. Low latency is expected
D. Data is processed as it is created

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24
Q
A

Dataset
Linkedservice
Pipeline

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25
Q
A

Batch
Streaming
Batch

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26
Q
A

the server to protect data at rest

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27
Q

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?

A. service principal authentication

B. Azure Active Directory (Azure AD) authentication

C. SQL authentication

D. certificate authentication

A

B. Azure Active Directory (Azure AD) authentication

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28
Q

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

A. built-in high availability

B. native support for cross-database queries and transactions

C. system-initiated automatic backups

D. support for encryption at rest

A

B. native support for cross-database queries and transactions

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29
Q
A

a server-level firewall

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30
Q

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

A. Microsoft SQL Server Data Tools (SSDT)

B. Microsoft SQL Server Management Studio (SSMS)

C. Azure Databricks

D. Azure Data Studio

A

A. Microsoft SQL Server Data Tools (SSDT)

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31
Q
A

Firewall
Authenticatiom
Encryption

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32
Q

You have a transactional application that stores 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).

A

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

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33
Q
A

strong consistency guarantees are required

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34
Q
A

keys

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35
Q
A

A View

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36
Q

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. (Choose three.)
NOTE: Each correct selection is worth one point.

A. You must be assigned the Reader role for the resource group that contains the database.

B. You must have SELECT access to the Products table.

C. You must have a user in the database.

D. You must be assigned the Contributor role for the resource group that contains the database.

E. Your IP address must be allowed to connect to the database.

A

B. You must have SELECT access to the Products table.

C. You must have a user in the database.

E. Your IP address must be allowed to connect to the database.

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37
Q
A

c: Update

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38
Q

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

A

B. Azure SQL Database

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39
Q

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

A

B. Azure Data Studio

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40
Q
A

Table
View
Index

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41
Q

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 (OLAP)

D. Online Transaction Processing (OLTP)

A

D. Online Transaction Processing (OLTP)

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42
Q

When can you use an Azure Resource Manager template?

A. to automate the creation of an interdependent group of Azure resources in a repeatable way

B. to apply Azure policies for multi-tenant deployments

C. to provision Azure subscriptions

D. to control which services and feature administrators and developers can deploy from the Azure portal

A

A. to automate the creation of an interdependent group of Azure resources in a repeatable way

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43
Q

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?

A. role-based access control (RBAC)

B. Dynamic Host Configuration Protocol (DHCP)

C. Domain Name Service (DNS)

D. a database-level firewall

A

D. a database-level firewall

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44
Q
A

Microsoft SQL server Management studio
Microsoft Visual studio code
Azure Data Studio
Microsoft SQL Server Data Tools.

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45
Q
A

Yey
No
Yes

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46
Q

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

A. sqlcmd

B. bcp

C. azdata

D. Azure CLI

A

A. sqlcmd

47
Q
A

Yes
Yes
Yes

48
Q
A

Yes
Yes
Yes

49
Q
A

Yes
Yes
Yes

50
Q
A

A table
A column

51
Q
A

No
No
Yes

52
Q

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

A. SELECT

B. JOIN

C. MERGE

D. CREATE

A

D: create

53
Q
A

Yes
No
Yes

54
Q

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?

A. Azure Cosmos DB

B. Azure HDInsight

C. Azure SQL Database

D. Azure Synapse Analytics

A

C. Azure SQL Database

55
Q

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. access to the latest features

B. complete control over backup and restore processes

C. in-database machine learning services

D. reduced administrative effort for managing the server infrastructure

A

A,D

56
Q
A

No
Yes
No

57
Q
A

SELECT
GROUP BY

58
Q

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

A. the Azure Active Directory (Azure AD) account that created the database

B. the server admin login account of the logical server

C. the Azure Active Directory (Azure AD) administrator account

D. the sa account

A

B. the server admin login account of the logical server

59
Q

You manage an application that stores data in a shared folder on a Windows server.
You need to move the shared folder to Azure Storage.
Which type of Azure Storage should you use?

A. queue

B. blob

C. file

D. table

A

C. file

60
Q

Your company is designing a database that will contain session data for a website. The data will include notifications, personalization attributes, and products that are added to a shopping cart.
Which type of data store will provide the lowest latency to retrieve the data?

A. key/value

B. graph

C. columnar

D. document

A

A. key/value

61
Q

You have an application that runs on Windows and requires access to a mapped drive.
Which Azure service should you use?

A. Azure Files

B. Azure Blob storage

C. Azure Cosmos DB

D. Azure Table storage

A

A. Azure Files

62
Q
A

Yes
Yes
No

63
Q

Your company is 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?

A. columnar

B. key/value

C. document

D. graph

A

C. document

64
Q

You need to recommend a non-relational data store that is optimized for storing and retrieving text 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. key/value

B. columnar

C. object

D. document

A

C. object

65
Q

Your company is designing a data store for internet-connected temperature sensors.
The collected data will be used to analyze temperature trends.
Which type of data store should you use?

A. relational

B. time series

C. graph

D. columnar

A

B. time series

66
Q
A

Yes
Yes
Yes

67
Q
A

graph

68
Q

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

A. database

B. item

C. container

D. partition

A

Azure Cosmos databases
Azure Cosmos containers

69
Q
A

Yes
Yes
Yes
Yes

70
Q
A

Key/value
Object
Graph

71
Q

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. (Choose two.)
NOTE: Each correct selection is worth one point.

A. the throughput

B. the read region

C. the partition key

D. the API

A

A. the throughput
C. the partition key

72
Q
A

D. columnar

73
Q

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

A. Azure Disk Storage

B. Azure Data Lake Storage

C. Azure Blob storage

D. Azure Queue storage

A

B. Azure Data Lake Storage

74
Q

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?

A. Archive

B. Hot

C. Cool

A

A. Archive

75
Q

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?

A. document

B. columnar

C. graph

D. time series

A

A. document

76
Q
A

Gremlin API
MongoDB API
Table API

77
Q
A

enable the hierarchical namespace

78
Q
A

as nodes and edges by using the Gremlin language

79
Q

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

A. multi-master replication

B. Availability Zones

C. the strong consistency level

D. automatic failover

A

B. Availability Zones

80
Q

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

A. provides resiliency if an Azure region fails

B. supports partitioning

C. provides a higher storage capacity

D. supports a multi-master model

A

D. supports a multi-master model

81
Q

Your company needs to design a database that shows how changes in network traffic in one area of a network affect network traffic in other areas of the network.
Which type of data store should you use?

A. graph

B. key/value

C. document

D. columnar

A

A. graph

82
Q
A

Yes
Yes
Yes

83
Q
A

Azure Cosmos DB

Azure Files

84
Q

You need to use Transact-SQL to query files in Azure Data Lake Storage from an Azure Synapse Analytics data warehouse.
What should you use to query the files?

A. Azure Functions

B. Microsoft SQL Server Integration Services (SSIS)

C. PolyBase

D. Azure Data Factory

A

C. PolyBase

85
Q
A
86
Q
A

Batch
Batch
Streaming

87
Q
A

from multiple sources is combined in a single location

88
Q
A

No
Yes
Yes

89
Q
A

Azure Data Factory
Azure Data Lake Storage
Azure Synapse Analytics

90
Q
A

Yes
Yes
No

91
Q

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

A. Charticulator

B. Power BI Desktop

C. the Power BI service

D. Power BI Report Builder

A

D. Power BI Report Builder

92
Q
A

Azure Data Factory
Azure Synapse Analytics

93
Q
A

Yes
No
Yes

94
Q

Which scenario is an example of a streaming workload?

A. sending transactions that are older than a month to an archive

B. sending transactions daily from point of sale (POS) devices

C. sending telemetry data from edge devices

D. sending cloud infrastructure metadata every 30 minutes

A

C. sending telemetry data from edge devices

95
Q
A

process data in memory, row-by-row
OR
collect data and then process the data when a condition is met

96
Q
A

Yes
Yes
No

97
Q

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

A

D. streaming

98
Q

You have a SQL pool in Azure Synapse Analytics that is only used actively every night for eight hours.
You need to minimize the cost of the SQL pool during idle times. The solution must ensure that the data remains intact.
What should you do on the SQL pool?

A. Scale down the data warehouse units (DWUs).

B. Pause the pool.

C. Create a user-defined restore point.

D. Delete the pool

A

B. Pause the pool.

99
Q

Which Azure Data Factory component initiates the execution of a pipeline?

A. a control flow

B. a trigger

C. a parameter

D. an activity

A

B. a trigger

100
Q

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. batch processing

C. Online Analytical Processing (OLAP)

D. Online Transaction Processing (OLTP)

A

C. Online Analytical Processing (OLAP)

101
Q
A

Data movement
Data transformation
Control

102
Q

What are three characteristics of an Online Transaction Processing (OLTP) workload? Each correct answer presents a complete solution. (Choose three.)
NOTE: Each correct selection is worth one point.

A. denormalized data

B. heavy writes and moderate reads

C. light writes and heavy reads

D. schema on write

E. schema on read

F. normalized data

A

B: Heavy writes, moderate reads
D: Schema on write, strongly enforced Workload
F: Normalization: Highly normalized

103
Q

Which two activities can be performed entirely by using the Microsoft Power BI service? Each correct answer presents a complete solution. (Choose two.)
NOTE: Each correct selection is worth one point.

A. report and dashboard creation

B. report sharing and distribution

C. data modeling

D. data acquisition and preparation

A

A. report and dashboard creation

B. report sharing and distribution

104
Q
A

a control flow

105
Q

You need to develop a solution to provide data to executives. The solution must provide an interactive graphical interface, depict various key performance indicators, and support data exploration by using drill down.
What should you use in Microsoft Power BI?

A. a dashboard

B. a report

C. a dataflow

D. Microsoft Power Apps

A

B. a report

106
Q

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

A. Azure Time Series Insights

B. Azure HDInsight

C. Azure Databricks

D. Azure Log Analytics

A

B. Azure HDInsight

C. Azure Databricks

107
Q

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

A

C. Online Analytical Processing (OLAP)

108
Q

Which three objects can be added to a Microsoft Power BI dashboard? Each correct answer presents a complete solution. (Choose three.)
NOTE: Each correct selection is worth one point.

A. a report page

B. a Microsoft PowerPoint slide

C. a visualization from a report

D. a dataflow

E. a text box

A

A. a report page
C. a visualization from a report
E. a text box

109
Q
A

Yes
No
Yes

110
Q

Which Azure Data Factory component provides the compute environment for activities?

A. a linked service

B. an integration runtime

C. a control flow

D. a pipeline

A

B. an integration runtime

111
Q
A

paginated report

112
Q

What are 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. Implement machine learning to predict future values

C. Communicate the significance of data

D. Consistently implement business logic across reports

A

A. Represent trends and patterns over time
C. Communicate the significance of data

113
Q
A

DP-900 (1 decks)

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