DP-203 Practice Test | Azure Data Engineer Certification

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You manage an enterprise data warehouse in Azure Synapse Analytics. Users report slow performance when they run commonly used queries. Users do not report performance changes for infrequently used queries. You need to monitor resource utilization to determine the source of the performance issues. Which two metrics should you monitor?

DWU percentage

Data IO percentage

Local tempdb percentage

Cache used percentage

CPU percentage

Cache hit percentage

You need to design an Azure Synapse Analytics dedicated SQL pool that can return an employee record from a given point in time, maintains the latest employee information, and minimizes query complexity. How should you model the employee data?

Temporal table

SQL graph table

Type 2 slowly changing dimension (SCD) table

Type 1 slowly changing dimension (SCD) table

You have an Azure Storage account that contains 100 GB of files. The files contain text and numerical values. 75% of the rows contain description data that has an average length of 1.1 MB. You plan to copy the data from the storage account to an enterprise data warehouse in Azure Synapse Analytics. You need to prepare the files to ensure that the data copies quickly. Solution: You convert the files to compressed delimited text files.

Yes

You need to output files from Azure Data Factory. Which file format should you use for JSON with TimeStamp

GIZP

Parquet

CSV

Avro

You have an Azure Data Lake Storage Gen2 account named account1 that stores logs as shown in the following table.

DP-203 Practice Test | Azure Data Engineer Certification

You do not expect that the logs will be accessed during the retention periods.
You need to recommend a solution for account1 that meets the following requirements:

Automatically deletes the logs at the end of each retention period
Minimizes storage costs

What should you include in the recommendation to delete the logs automatically?

Azure Data Factory Pipeline

Azure Blob storage lifecycle management rules

Immutable Azure Blob storage time-based retention polices

You are planning the deployment of Azure Data Lake Storage Gen2. You have a report that will access the data lake and queries a single record based on a timestamp. Which format to store the data in the data lake to support the report and must minimize read times?

Avro

CSV

TXT

Parquet

You have an Azure Stream Analytics query. The query returns a result set that contains 10,000 distinct values for a column named clusterID. You monitor the Stream Analytics job and discover high latency. You need to reduce the latency. Which two actions should you perform?

Add a temporal analytic function.

Scale out the query by using PARTITION BY.

Increase the number of streaming units.

Convert the query to a reference query.

You have an Azure Data Lake Storage Gen2 account named adls2 that is protected by a virtual network. You are designing a SQL pool in Azure Synapse that will use adls2 as a source. What should you use to authenticate to adls2?

Shared key

Azure Active Directory (Azure AD) user

Shared access signature

Managed identity

You are creating dimensions for a data warehouse in an Azure Synapse Analytics dedicated SQL pool. You create a table by using the Transact-SQL statement shown in the following exhibit.

DP-203 Practice Test | Azure Data Engineer Certification
What's the slowly changing dimension type for the [DimProduct] table?

Type 3

Type 1

Type 2

Type 6

10.

You have an Azure SQL database that has masked columns. You need to identify when a user attempts to infer data from the masked columns. What should you use?

Transparent Data Encryption (TDE)

Auditing

Custom masking rules

Azure Advanced Threat Protection (ATP)

11.

You are designing an app that will provide a data cleaning and supplementing service for customers. The app will use Azure Data Factory to run a daily process to read and write data from Azure Storage blob containers. You need to recommend an access mechanism for the customers to grant the app access to their data. The solution must Provide access for a period of three months, Restrict the app's access to specific containers, Minimize administrative effort, and Minimize changes to the existing access controls of the customer's Azure Storage accounts. What should you recommend?

Anonymous public read access

Shared key

Managed identity

Shared access signature

12.

You are designing a real-time dashboard solution that will visualize streaming data from remote sensors that connect to the internet. The streaming data must be aggregated to show the average value of each 10-second interval. The data will be discarded after being displayed in the dashboard. The solution will use Azure Stream Analytics and must minimize latency from an Azure Event hub to the dashboard, minimize the required storage, and minimize development effort. What should you include in your stream solution to aggregate query?

Azure Stream Analytic

Power BI

Azure Event Hub

Azure SQL

13.

You are designing a real-time stream processing solution in Azure Stream Analytics. The solution must read data from a blob container in an Azure Storage account via a service endpoint. You need to recommend an authentication mechanism for the solution. What should you recommend?

A user-assigned managed identity

Shared access signature

A managed identity

An account key

14.

You are building an Azure Stream Analytics job to identify how much time a user spends interacting with a feature on a webpage. The job receives events based on user actions on the webpage. Each row of data represents an event. Each event has a type of either 'start' or 'end'.

DP-203 Practice Test | Azure Data Engineer Certification
You need to calculate the duration between start and end events. How should you complete the query?

SELECT [user], feature, DATEDIFF( second, LAST(Time) OVER (PARTITION BY [user], feature LIMIT DURATION(hour, 1) WHEN Event = 'start'), Time) as duration FROM input TIMESTAMP BY Time WHERE Event = 'end'

SELECT [user], feature, DATEPART( second, ISFIRST(Time) OVER (PARTITION BY [user], feature LIMIT DURATION(hour, 1) WHEN Event = 'start'), Time) as duration FROM input TIMESTAMP BY Time WHERE Event = 'end'

SELECT [user], feature, DATEDIFF( second, TOPONE(Time) OVER (PARTITION BY [user], feature LIMIT DURATION(hour, 1) WHEN Event = 'start'), Time) as duration FROM input TIMESTAMP BY Time WHERE Event = 'end'

SELECT [user], feature, DATEADD( second, LAST(Time) OVER (PARTITION BY [user], feature LIMIT DURATION(hour, 1) WHEN Event = 'start'), Time) as duration FROM input TIMESTAMP BY Time WHERE Event = 'end'

15.

You have a table named SalesFact in an enterprise data warehouse in Azure Synapse Analytics. SalesFact contains sales data from the past 36 months and has the following characteristics: Is partitioned by month, Contains one billion rows, and Has clustered columnstore indexes At the beginning of each month, you need to remove data from SalesFact that is older than 36 months as quickly as possible. Which three actions should you perform in sequence in a stored procedure?

Truncate the partition containing the stale data

Create an empty table called SalesFact_Work that has the same schema as SalesFact

Copy the data to a new table using Create TABLE AS SELECT

Switch the partition containing the stale data from SalesFact to SalesFact_Work

Drop the SalesFact_Work table

16.

You are planning the deployment of Azure Data Lake Storage Gen2. You have a report that will access the data lake and reads three columns from a file that contains 50 columns. Which format to store the data in the data lake to support the report and must minimize read times?

TXT

Parquet

CSV

Avro

17.

You are the data engineer for your company. An application uses a NoSQL database to store data. The database uses the key-value and wide-column NoSQL database type. Developers need to access data in the database using an API. You need to determine which API to use for the database model and type?

Table API

MongoDB API

Cassandra API

Gremlin API

18.

You are monitoring an Azure Stream Analytics job. The Backlogged Input Events count has been 20 for the last hour. You need to reduce the Backlogged Input Events count. What should you do?

Increase the streaming units for the job.

Add an Azure Storage account to the job.

Drop late arriving events from the job.

Stop the job.

19.

You have an Azure subscription that contains the following resources: 1. An Azure Active Directory (Azure AD) tenant that contains a security group named Group1. 2. An Azure Synapse Analytics SQL pool named Pool1 You need to control the access of Group1 to specific columns and rows in a table in Pool1. Which Transact-SQL commands should you use to control access for rows?

CREATE SECURITY POLICY

CREATE PARTITION FUNCTION

GRANT

20.

You are designing a fact table named FactPurchase in an Azure Synapse Analytics dedicated SQL pool. The table contains purchases from suppliers for a retail store. FactPurchase will contain the following columns.

DP-203 Practice Test | Azure Data Engineer Certification
FactPurchase will have 1 million rows of data added daily and will contain three years of data.
Transact-SQL queries similar to the following query will be executed daily.

SELECT SupplierKey, StockItemKey, COUNT(*) FROM FactPurchase WHERE DateKey >= 20210101 AND DateKey <= 20210131 GROUP By SupplierKey, StockItemKey,ISOrderFinalized

Which table distribution will minimize query times?

Replicated

Round Robin

Hash-distributed on ISOrderFinalized

Hash-distributed on PurchaseKey

Hash-distributed on DateKey

21.

You are designing an Azure Databricks table. The table will ingest an average of 20 million streaming events per day. You need to persist the events in the table for use in incremental load pipeline jobs in Azure Databricks. The solution must minimize storage costs and incremental load times. What should you include in the solution?

Use a JSON format for physical data storage.

Partition by DateTime fields.

Sink to Azure Queue storage.

Include a watermark column.

22.

You have an Azure SQL database named DB1 that contains a table named Table1. Table1 has a field named Customer_ID that is varchar(22). You need to implement masking for the Customer_ID field to be The first two prefix characters must be exposed, The last four suffix characters must be exposed, and All other characters must be masked. Which solution should you use?

Implement data masking and use Email function mask.

Implement data masking and use Custom Text function mask.

Implement data masking and use Password function mask.

Implement data masking and use Credit card function mask.

23.

You have an Azure Storage account that generates 200,000 new files daily. The file names have a format of {YYYY}/{MM}/{DD}/{HH}/{CustomerID}.csv. You need to design an Azure Data Factory solution that will load new data from the storage account to an Azure Data Lake once hourly. The solution must minimize load times and costs. How should you configure the solution for Trigger?

Tumbling Window

New File

Fixed Schedule

Hopping Window

24.

You have a self-hosted integration runtime in Azure Data Factory.

The current status of the integration runtime has the following configurations:

Status: Running
Type: Self-Hosted
Version: 4.4.7292.1
Running / Registered Node(s): 1/1
High Availability Enabled: False
Linked Count: 0
Queue Length: 0
Average Queue Duration: 0.00s

The integration runtime has the following node details:

Name: X-M
Status: Running
Version: 4.4.7292.1
Available Memory: 7697MB
CPU Utilization: 6%
Network (In/Out): 1.21KBps/0.83KBps
Concurrent Jobs (Running/Limit): 2/14
Role: Dispatcher/Worker
Credential Status: In Sync

If the X-M mode becomes unavailable, all executed pipelines will

Exceed the CPU limit

Fail until the node comes back online

Switch to another integration runtime

25.

You are planning a solution to aggregate streaming data that originates in Apache Kafka and is output to Azure Data Lake Storage Gen2. The developers who will implement the stream processing solution use Java. Which service should you recommend using to process the streaming data?

Azure Event Hubs

Azure Stream Analytics

Azure Data Factory

Azure Databricks

26.

You need to output files from Azure Data Factory. Which file format should you use for a Columnar Format

Parquet

TXT

Avro

CSV

27.

You have a table in an Azure Synapse Analytics dedicated SQL pool. The table was created by using the following Transact-SQL statement.

DP-203 Practice Test | Azure Data Engineer Certification

You need to alter the table to meet the following requirements:

Ensure that users can identify the current manager of employees.
Provide fast lookup of the managers attributes such as name and job title.
Support creating an employee reporting hierarchy for your entire company.

Which column should you add to the table?

[ManagerEmployeeKey] [int] NULL

[ManagerName] [varchar](250) NULL

[ManagerEmployeeID] [smallint] NULL

[ManagerEmployeeKey] [smallint] NULL

28.

A company has a real-time data analysis solution that is hosted on Microsoft Azure. The solution uses Azure Event Hub to ingest data and an Azure Stream Analytics cloud job to analyze the data. The cloud job is configured to use 120 Streaming Units (SU). You need to optimize performance for the Azure Stream Analytics job. Which two actions should you perform?

Implement event ordering

Implement query parallelization by partitioning the data output

Scale the SU count for the job up

Scale the SU count for the job down

Implement Azure Stream Analytics user-defined functions (UDF)

Implement query parallelization by partitioning the data input

29.

You have an Azure SQL database named Database1 and two Azure event hub named Hub1. Database1 is used to store Driver Name, and License and Hub1 is used to store Ride Route, Ride Distance, Ride duration. You need to implement Azure Stream Analytics to calculate the average fare per mile by driver. How should you configure the Stream Analytics input for Database1?

Reference

Stream

30.

You are developing a solution that will stream to Azure Stream Analytics. The solution will have both streaming data and reference data. Which input type should you use for the reference data?

Azure Blob storage

Azure Event Hubs

Azure Cosmos DB

Azure IoT Hub

31.

You are designing an enterprise data warehouse in Azure Synapse Analytics that will store website traffic analytic 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 to use for the table?

Replicated

Round Robin distribution

Heap

Hash distribution

32.

You are designing a monitoring solution for a fleet of 500 vehicles. Each vehicle has a GPS tracking device that sends data to an Azure event hub once per minute. You have a CSV file in an Azure Data Lake Storage Gen2 container. The file maintains the expected geographical area in which each vehicle should be. You need to ensure that when a GPS position is outside the expected area, a message is added to another event hub for processing within 30 seconds. The solution must minimize cost. What should you include in the solution for Analysis Type?

Event Patten Matching

Lagged record comparison

Point with polygon

Polygon with overlap

33.

Load files as they arrive

Full Load

Incremental Load

34.

You are designing a solution that will copy Parquet files stored in an Azure Blob storage account to an Azure Data Lake Storage Gen2 account. The data will be loaded daily to the data lake and will use a folder structure of {Year}/{Month}/{Day}/. You need to design a daily Azure Data Factory data load to minimize the data transfer between the two accounts. Which two configurations should you include in the design?

Filter by the last modified date of the source files.

Delete the files in the destination before loading new data.

Specify a file naming pattern for the destination.

Delete the source files after they are copied.

35.

The following code segment is used to create an Azure Databricks cluster.

DP-203 Practice Test | Azure Data Engineer Certification Does Databricks cluster support the creation of Delta Lake Table?

Yes

36.

Hopping

No Window

Tumbling

Session

37.

A company has a SaaS solution that uses Azure SQL Database with elastic pools. The solution contains a dedicated database for each customer organization. Customer organizations have peak usage at different periods during the year. you need to implement the Azure SQL Database elastic pool to minimize cost. Which option or options should you configure?

Number of databases only

eDTUs per database only

eDTUs and max data size

CPU usage only

38.

You have an Azure Data Lake Storage Gen2 account named account1 that stores logs as shown in the following table.

DP-203 Practice Test | Azure Data Engineer Certification
You do not expect that the logs will be accessed during the retention periods.
You need to recommend a solution for account1 that meets the following requirements:

Automatically deletes the logs at the end of each retention period
Minimizes storage costs

What should you include in the recommendation to minimize storage costs?

Store the infrastructure in the Cool access tier and the application logs in the Archive access tier

Store the infrastructure and the application logs in the Archive access tier

Store the infrastructure and the application logs in the Cool access tier

39.

Azure Stream Analytic

Azure Synapse Analytics Apache Spark Pool

Azure Synapse Analytics Serverless SQL Pool

Azure Data Factory

40.

You have a data model that you plan to implement in a data warehouse in Azure Synapse Analytics as shown in the following exhibit.

DP-203 Practice Test | Azure Data Engineer Certification

All the dimension tables will be less than 2 GB after compression, and the fact table will be approximately 6 TB. Which type of table should you use for Fact_DailyBooking?

Heap

Hash-distributed

Round-Robin

Replicated

41.

You are designing an Azure Data Factory solution that will download up to 5 TB of data from several REST APIs. The solution must meet the following Staging requirements: 1. Ensure that the data can be landed quickly and in parallel to a staging area. 2. Minimize the need to return to the API sources to retrieve the data again should a later activity in the pipeline fail. What should you include in the solution to meet the staging requirements?

Azure SQL Analytic

Azure Synapse Analytic

Azure Event Hub

Azure Blob Storage

42.

You have an Azure subscription that contains a logical Microsoft SQL server named Server1. Server1 hosts an Azure Synapse Analytics SQL dedicated pool named Pool1. You need to recommend a Transparent Data Encryption (TDE) solution for Server1 to track the usage of encryption keys. What should you include in the recommendation?

All Encrypted

Platform-managed keys

Customer-managed keys

43.

A company has a storage account named XYZstore2020. They want to ensure that they can recover a blob object if it was deleted in the last 10 days. Which of the following would they implement for this requirement?

Firewalls and virtual networks

CORS

Access Keys

Soft Delete

44.

You are designing an Azure Stream Analytics job to process incoming events from sensors in retail environments. You need to process the events to produce a running average of shopper counts during the previous 15 minutes, calculated at five-minute intervals. Which type of window should you use?

Sliding Window

Tumbling Window

Session Window

Hopping Window

45.

You need to ensure that the Twitter feed data can be analyzed in the dedicated SQL pool. The solution must meet the customer sentiment analytic requirements. Which three Transact-SQL DDL commands should you run in sequence?

CREATE DATABASE SCOPED CREDINITAL

CREATE EXTERNAL TABLE AS SELECT

CREATE EXTERNAL TABLE

CREATE EXTERNAL FILE FORMAT

CREATE EXTERNAL DATA SOURCE

46.

You have a self-hosted integration runtime in Azure Data Factory.

The current status of the integration runtime has the following configurations:

Status: Running
Type: Self-Hosted
Version: 4.4.7292.1
Running / Registered Node(s): 1/1
High Availability Enabled: False
Linked Count: 0
Queue Length: 0
Average Queue Duration: 0.00s

The integration runtime has the following node details:

Name: X-M
Status: Running
Version: 4.4.7292.1
Available Memory: 7697MB
CPU Utilization: 6%
Network (In/Out): 1.21KBps/0.83KBps
Concurrent Jobs (Running/Limit): 2/14
Role: Dispatcher/Worker
Credential Status: In Sync

If the X-M mode becomes unavailable, all executed pipelines will

Raised

Left as is

Lowered

47.

You are designing an Azure Data Factory solution that will download up to 5 TB of data from several REST APIs. The solution must meet the following Analysis requirements: 1. Ensure that the data can be loaded in parallel. 2. Ensure that users and applications can query the data without requiring an additional compute engine. What should you include in the solution to meet the Analysis requirements?

Azure Blob Storage

Azure Event Hub

Azure Synapse Analytic

Azure SQL Analytic

48.

Azure Stream Analytic

Azure Event Hub

Azure SQL

Azure Cosmos DB

49.

A company purchases IoT devices to monitor manufacturing machinery. The company uses an IoT appliance to communicate with the IoT devices. The company must be able to monitor the devices in real-time. You need to design the solution. What should you recommend?

Azure Data Factory instance using Microsoft Visual Studio

Azure Analysis Services using Microsoft Visual Studio

Azure Data Factory instance using Azure PowerShell

Azure Stream Analytics cloud job using Azure Portal

50.

CREATE SECURITY POLICY

GRANT

CREATE PARTITION FUNCTION

51.

You are designing the folder structure for an Azure Data Lake Storage Gen2 container. Users will query data by using a variety of services including Azure Databricks and Azure Synapse Analytics serverless SQL pools. The data will be secured by subject area. Most queries will include data from the current year or current month. Which folder structure should you recommend to support fast queries and simplified folder security?

/{YYYY}/{MM}/{DD}/{SubjectArea}/{DataSource}/{FileData}_{YYYY}_{MM}_{DD}.csv

/{SubjectArea}/{DataSource}/{YYYY}/{MM}/{DD}/{FileData}_{YYYY}_{MM}_{DD}.csv

/{SubjectArea}/{DataSource}/{DD}/{MM}/{YYYY}/{FileData}_{YYYY}_{MM}_{DD}.csv

/{DataSource}/{SubjectArea}/{YYYY}/{MM}/{DD}/{FileData}_{YYYY}_{MM}_{DD}.csv

52.

You have an Azure Stream Analytics job that receives clickstream data from an Azure event hub. You need to define a query in the Stream Analytics job. The query must count the number of clicks within each 10-second window based on the country of a visitor, and ensure that each click is NOT counted more than once. How should you define the Query?

SELECT Country, Avg(*) AS Average FROM ClickStream TIMESTAMP BY CreatedAt GROUP BY Country, HoppingWindow(second, 10, 2)

SELECT Country, Count(*) AS Count FROM ClickStream TIMESTAMP BY CreatedAt GROUP BY Country, SessionWindow(second, 5, 10)

SELECT Country, Count(*) AS Count FROM ClickStream TIMESTAMP BY CreatedAt GROUP BY Country, TumblingWindow(second, 10)

SELECT Country, Avg(*) AS Average FROM ClickStream TIMESTAMP BY CreatedAt GROUP BY Country, SlidingWindow(second, 10)

53.

You plan to create a retail store table that will contain the address of each retail store. The table will be approximately 2 MB. Queries for retail store sales will include the retail store addresses. You need to implement the surrogate key for the retail store table. What should you create?

A user-defined SEQUENCE object

A table that has a FOREIGN KEY constraint

A system-versioned temporal table

A table that has an IDENTITY property

54.

You plan to ingest streaming social media data by using Azure Stream Analytics. The data will be stored in files in Azure Data Lake Storage, and then consumed by using Azure Databricks and PolyBase in Azure Synapse Analytics. You need to recommend a Stream Analytics data output format to ensure that the queries from Databricks and PolyBase against the files encounter the fewest possible errors. The solution must ensure that the files can be queried quickly and that the data type information is retained. What should you recommend?

JSON

CSV

Parquet

Avro

55.

You have an Azure Active Directory (Azure AD) tenant that contains a security group named Group1. You have an Azure Synapse Analytics dedicated SQL pool named dw1 that contains a schema named schema1. You need to grant Group1 read-only permissions to all the tables and views in schema1. The solution must use the principle of least privilege. Which three actions should you perform in sequence?

Create a database role named Role1 and grant Role1 SELECT permissions to schema1

Assign the Azure role-based access control (Azure RBAC) Reader role for dw1 to Group1

Assign Rol1 to the Group database user

Create a database role named Role1 and grant Role1 SELECT permissions to dw1

Create a database user in dw1 that represents Group1 and uses FROM EXTERNAL PROVIDE clause

56.

The following code segment is used to create an Azure Databricks cluster.

DP-203 Practice Test | Azure Data Engineer Certification Does Databricks cluster minimize costs when running scheduled jobs that execute notebooks?

Yes

57.

A company runs Microsoft SQL Server in an on-premises virtual machine (VM). You must migrate the database to Azure SQL Database. You synchronize users from Active Directory to Azure Active Directory (Azure AD). You need to configure Azure SQL Database to use an Azure AD user as administrator. What should you configure?

For each Azure SQL Database server, set the Active Directory to administrator

For each Azure SQL Database server, set the Access Control to administrator.

For each Azure SQL Database server, set the Access Control to administrator

For each Azure SQL Database, set the Access Control to administrator

58.

You have a data model that you plan to implement in a data warehouse in Azure Synapse Analytics as shown in the following exhibit.

DP-203 Practice Test | Azure Data Engineer Certification
All the dimension tables will be less than 2 GB after compression, and the fact table will be approximately 6 TB. Which type of table should you use for Dim_Customer?

Round-Robin

Heap

Hash-distributed

Replicated

59.

Stream

Reference

60.

Power BI

Azure Stream Analytic

Azure Event Hub

Azure SQL

61.

The following code segment is used to create an Azure Databricks cluster.

DP-203 Practice Test | Azure Data Engineer Certification

Does the Databricks cluster support multiple concurrent users?

Yes

62.

You have an Azure Synapse Analytics dedicated SQL pool. You need to ensure that data in the pool is encrypted at rest. The solution must NOT require modifying applications that query the data. What should you do?

Use a customer-managed key to enable double encryption for the Azure Synapse workspace.

Enable encryption at rest for the Azure Data Lake Storage Gen2 account.

Create an Azure key vault in the Azure subscription grant access to the pool.

Enable Transparent Data Encryption (TDE) for the pool.

63.

You have an Azure subscription that contains a logical Microsoft SQL server named Server1. Server1 hosts an Azure Synapse Analytics SQL dedicated pool named Pool1. You need to recommend a Transparent Data Encryption (TDE) solution for Server1 to Maintain the access of client apps to Pool1 in the event of an Azure datacenter outage that affects the availability of the encryption keys.. What should you include in the recommendation?

Create and configure Azure key vaults in two Azure regions

Implement a client app by using Microsoft .Net framework data provider

Enable Advanced Data Security in Server1

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