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DP900>>Test3

Total questions: 42

Worksheet time: 35mins

Name
Class
Date
1.

What should you use to create and run data ingestion pipelines?


a)


Azure Cosmos DB

b)

Azure Data Factory

c)


Azure Databricks

d)


Azure HDInsight

2.

Which service is built on Apache Spark and is compatible with other cloud providers?


a)

Azure Data Factory

b)


Azure Databricks

c)


Azure HDInsight

d)


Azure Synapse Analytics

3.

What should you create first for an integration process that copies data from Microsoft Excel files to Parquet files by using Azure Data Factory?


a)

a dataset

b)


a linked service

c)


a pipeline

d)


an activity

4.

What is a characteristic of batch processing?


a)


Batch processing handles small datasets based on a time window.

b)


Batch processing is used to perform complex analysis.

c)


Batch processing processes individual events.

d)


Latency is measured in seconds or milliseconds.

5.

Which two services can be used as a source for stream processing? Each correct answer presents a complete solution.


a)


Azure Databricks

b)


Azure Event Hubs

c)


Azure IoT Hub

d)


Azure SQL Database

6.

In a stream processing architecture, what can you use to persist the processed results as files?


a)

Azure Data Lake Storage Gen2

b)

Azure Databricks

c)

Azure Event Hubs

d)


Azure Synapse Analytics

7.

Which service allows you to perform on-demand analysis of large volumes of data from text logs, websites and IoT devices by using a common querying language for all the data sources?


a)


Azure Cosmos DB

b)


Azure Data Explorer

c)

Azure Data Lake Storage Gen2

d)

Azure Stream Analytics

8.

Which type of data structure should you use to optimize create, read, update, and delete (CRUD) operations for data saved in a multi-column tabular format?


a)


document database

b)


graph database

c)


key/value store

d)


relational database

9.

You have data stored in two tables in a database.

You create a relationship between the tables.

Which type of data do you have?

a)


semi-structured

b)


structured

c)


unstructured

10.

Which is the best type of database to use for an organizational chart?


a)

Azure Table storage

b)


Azure SQL Database

c)


columnar

d)


graph

11.

Which type of database should you use to store sequential data in the fastest way possible?


a)


Azure SQL Database

b)


Azure Table storage

c)

graph

d)


time series

12.

You design an application that needs to store data based on the following requirements:

  • Store historical data from multiple data sources.

  • Load data on a scheduled basis.

  • Use a denormalized star or snowflake schema.

Which type of database should you use?

a)


Azure Table storage

b)


graph

c)


OLAP

d)


OLTP

13.

Which service allows you to store data as a graph database?


a)


Azure Cosmos DB

b)


Azure SQL Database

c)


Azure SQL Managed Instance

d)


Azure Synapse Analytics

14.

Which type of database can be used for semi-structured data that will be processed by an Apache Spark pool in Azure Synapse Analytics?


a)


column-family

b)


graph

c)


relational

15.

Which two types of file store data in columnar format?


a)

Avro

b)

Csv

c)

Parquet

d)

ORC

16.

Which Azure Cosmos DB API allows you to implement a non-relational database and model nodes that have relationships between them?


a)

Apache Gremlin

b)


MongoDB

c)


NoSQL

d)


Table

17.

Which two attributes are characteristics of an analytical data workload?

a)


highly denormalized

b)


highly normalized

c)


optimized for create, read, update, and delete (CRUD) operations

d)


optimized for read operations

18.

Which type of data workload is optimized for updates and relies on relationships between entities to correlate data?


a)


analytical

b)


graph

c)


time series

d)

transactional

19.

Which job role is responsible for designing database solutions, creating databases, and developing stored procedures?


a)


database administrator

b)


database analyst

c)


database engineer

d)


database user

20.

Which job role is responsible for managing the security of the data in a database, implementing backup and recovery plans, and monitoring the performance of database solutions?


a)


database administrator

b)

data analyst

c)


data engineer

21.

Which job role is responsible for managing data privacy, monitoring data stores, and monitoring data pipelines?


a)


database administrator

b)


data analyst

c)


data engineer

22.

In a relational database, on which type of objects should you configure a datatype?


a)


columns

b)


fields

c)


relationships

d)


tables

23.

Which SQL clause can be used to copy all the rows from one table to a new table?


a)


INSERT – VALUES

b)


SELECT – HAVING

c)


SELECT - INTO

d)


UPDATE

24.

....................... is a process to reduce duplicate data in a database and ensure data integrity.

a)


Indexing

b)


Normalization

c)


Projecting

d)


Refactoring

25.

What should you create to improve the performance of a query accessing a table that contains millions of rows?


a)


a function

b)

a stored procedure

c)


a view

d)

index

26.

You have a complex query that selects data from multiple tables.

Which three database objects should allow you to reuse the query definition?

a)

a Function

b)


a table

c)

a stored procedure

d)


a view

e)


a temporary table

27.

Which two DML statements are used to modify the existing data in a table?

a)

INSERT

b)

MERGE

c)

UPDATE

d)

SELECT

28.

In a relational database, what can you use to create a virtual table from the results of a SELECT statement?


a)


a relationship

b)


a stored procedure

c)


a view

d)


an index

29.

Which data service provides a fully managed database with close to 100 percent feature parity with Microsoft SQL Server?


a)


Azure SQL Database

b)


Azure SQL Managed Instance

c)


Azure Synapse Analytics

d)


SQL Server on Azure Virtual Machines

30.

Which data service allows you to create a single database that can scale up and down without downtime?


a)


SQL Azure SQL Database

b)


Azure SQL Managed Instance

c)


Server on Azure Virtual Machines

31.

Which data service allows you to migrate an entire Microsoft SQL server to the cloud without requiring that you manage the infrastructure after the migration?


a)


Azure SQL Database

b)


Azure SQL Managed Instance

c)


Azure SQL Managed Instance

32.

Which open-source database is a hybrid relational-object database?


a)


MariaDB

b)


MySQL

c)


Oracle Database

d)

PostgreSQL

33.

Which type of Azure Storage is the least expensive option that allows you to store and edit image files?


a)

append blobs in the Archive tier

b)

append blobs in the Cool tier

c)


block blobs in the Archive tier

d)


block blobs in the Cool tier

34.

Which type of Azure Storage is used for VHDs and is optimized for random read and write operations?


a)

Append Blobs

b)

Azure Files

c)

Block Blob

d)

Page Blob

35.

Which type of Azure Storage is used to store large amounts of data that must be processed by services such as Azure Databricks, Azure Synapse Analytics, and Azure HDInsight?


a)

Azure Data Lake Storage Gen2

b)


Azure Files

c)


Azure Storage page blobs

d)

Azure Table storage

36.

Which type of Azure Storage is used to store key/value pairs grouped in partitions?


a)


Azure Data Lake Storage Gen2

b)


Azure Files

c)


Azure Storage page blobs

d)


Azure Table storage

37.

Which two storage solutions can be mounted in Azure Synapse Analytics and used to process large volumes of data?

a)

Azure Blob storage

b)

Azure Data Lake Storage

c)


Azure Files

d)


Azure Table storage

38.

Which Azure Cosmos DB API should you use for data in a graph structure?


a)

Apache Cassandra

b)

Apache Gremlin

c)


MongoDB

d)


Table

39.

Which Azure Cosmos DB API should you use for data in the BSON format?


a)


Apache Cassandra

b)


Apache Gremlin

c)

MongoDB

d)


Table

40.

Which Azure Cosmos DB API should you use for data in key/value tables?


a)

Apache Cassandra

b)


Apache Gremlin

c)


MongoDB

d)


Table

41.

You need to process many JSON files every minute, while keeping the data from the files accessible by using native queries.

Which Azure Cosmos DB API should you use?

a)


Apache Cassandra

b)

Apache Gremlin

c)


NoSQL

d)


Table

42.

Which Azure Cosmos DB API is queried by using a syntax based on SQL?


a)


Apache Cassandra

b)


Apache Gremlin

c)

MongoDB

d)

Table