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WorksheetsMicrosoft Azure DP-900 | Exam Prep
Total questions: 71
Worksheet time: 40mins
Which data service provides a fully managed database with close to 100% feature parity with Microsoft SQL Server?
Azure SQL Managed Instance
Azure SQL Database
SQL Server on Azure Virtual Machines
Azure Synapse Analytics
Which (3) open-source databases are available as platform as a service (PaaS) in Azure?
MariaDB
MySQL
PostgreSQL
CockroachDB
CouchDB
Which data service allows you to use every feature of Microsoft SQL Server in the cloud?
Azure SQL Database
Azure SQL Managed Instance
SQL Server on an Azure Virtual Machine running on Windows
SQL Server on an Azure Virtual Machine running on Linux
Which data service allows you to control the amount of RAM, change the I/O subsystem configuration, and add or remove CPUs?
SQL Server on Azure Virtual Machines
Azure SQL Database
Azure SQL Managed Instance
Which open-source database has a built-in support for temporal data?
MySQL
MariaDB
PostgreSQL
Oracle Database
Which SQL engine is optimized for IoT scenarios?
SQL Server on Azure Virtual Machines
Azure SQL Database
Azure SQL Edge
Azure SQL Managed Instance
Which type of Azure Storage is used for VHDs and is optimized for random read and write operations?
Append Blobs
Block Blobs
Page Blobs
Azure Files
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?
Azure Files
Azure Data Lake Storage Gen2
Azure Storage Page Blobs
Azure Tables Storage
Which Azure Blob storage access tier should you use for data that will be used once per year and can have access time that takes more than an hour?
Hot
Archive
Cold
Which (2) storage solutions can be mounted in Azure Synapse Analytics and is used to process large volumes of data?
Azure Blob Storage
Azure Data Lake Storage
Azure Files
Azure Table Storage
You need to replace an existing on-premise SMB shared folder with a cloud solution. Which storage option should you choose?
Azure Blob Storage
Azure Files
Azure Table Storage
Azure Data Lake Storage
Which storage solution should you use to store unstructured documents, graph databases, and key/value pairs?
Azure Files
Azure Table Storage
Azure Cosmos DB
Azure SQL
Which Azure Cosmos DB API should you use for data in graph structure?
MongoDB
Table
Apache Cassandra
Apache Gremlin
Which Azure CosmosDB API should you use for data in column-family storage structure?
MongoDB
Table
Apache Cassandra
Apache Gremlin
Which Azure CosmosDB API is queried by using a syntax based on SQL?
Table
Apache Cassandra
Apache Gremlin
MongoDB
Which strange solution allows you to aggregate data stored in JSON files for use in analytical reports without additional development effort?
Azure CosmosDB
Azure Blob Storage
Azure Data Lake Storage
Azure SQL Database
Which type of data structure allows you to store data in a two-column format without requiring a complex database management system?
Relational database
Key/Value store
Document database
Graph database
Which Azure data service allows you to store document, graph, and column-family databases?
HBase in HDInsight
Azure Cosmos DB
Azure SQL Database
Azure Table storage
Which Azure data service allows you to store images, PDF files, and static JSON files?
Azure SQL Database
Azure Blob storage
Azure Table storage
Azure CosmosDB for Apache Gremlin
You have a folder that contains documents, images, and audio files.
Which type of data do you have?
Structured
Semi-Structured
Unstructured
Which type of database should you use to store sequential data in the fastest way possible?
Azure SQL Database
Time Series
Azure Table storage
Graph
Which type of database can be used for semi-structured data that will be processed by an Apache Spark tool in Azure Synapse Analytics?
column-family
Graph
relational
Which Azure CosmosDB API allows you to implement a non-relational database and model nodes that have relationships between them?
SQL
Table
MongoDB
Apache Gremlin
Which (2) attributes are characteristics of a transactional data workload?
highly normalized
highly denormalized
optimized for create, read, update, and delete (CRUD) operations
optimized for read operations
Which type of data workload is optimized for updates and relies on relationships between entities to correlate data?
Transactional
Analytical
Time Series
Graph
What are (3) properties of analytical data workloads?
They operate on historical data.
Read operations are optimized.
They operate on current data.
Read and Write operations are optimized.
They calculate business metrics over time.
Which feature of transactional data processing guarantees that concurrent processes can NOT see the data in an inconsistent state?
Atomicity
Consistency
Isolation
Durability
Which job role is responsible for designing database solutions, creating databases, and developing stored procedures?
database administrator
database engineer
database analyst
database user
Which job role is responsible for troubleshooting index performance, provisioning access to databases, and backing up databases?
database administrator
database engineer
database analyst
database user
Which job role is responsible for managing data privacy, monitoring data stores, and monitoring data pipelines?
database administrator
data engineer
data analyst
What should you use to create and run data ingestion pipelines?
Azure Databricks
Azure Data Factory
Azure HDInsight
Azure Cosmos DB
Which native Azure service can you use to process data by running Apache Spark jobs?
Azure Data Lake Storage
Azure CosmosDB
Azure Synapse Analytics
Which type of data store uses Star schemas, fact tables, and dimensional tables?
Relational Database
Data Warehouse
Cube
Data Lake
Which data integration service allows you to orchestrate data flow without coding?
Azure Data Factory
Azure Data Lake
Azure Databricks
Azure HDInsight
Which (2) services allow you to create a pipeline to process data in response to an event?
Azure Synapse Analytics
Azure Data Factory
Azure Databricks
Azure HDInsight
You have an Azure CosmosDB service running the SQL API. One of the operational databases has a lot of transactions. Which service allows you to perform near real-time analytics on the operational data stored in Azure CosmosDB?
Azure Synapse
Azure Databricks
Azure HDInsights
Azure Data Lake Storage
Which is a characteristic of stream processing?
All t here data in a dataset is processed.
Latency is measured in seconds or milliseconds.
Stream processing is used to perform complex analysis.
Stream processing can handle large datasets.
In a stream processing architecture, what can you use to persist the processed results as files?
Azure Event Hubs
Azure Data Lake Storage Gen2
Azure Synapse Analytics
Azure Databricks
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?
Azure Data Explorer
Azure Data Lake Storage Gen2
Azure Stream Analytics
Azure CosmosDB
You are processing data by using batches and streams. What should you use to ensure that transactional consistency is enforced during the processing?
Azure Delta Lake
Azure Blobs storage
Azure Tables storage
Azure SQL database
Which type of visual in Microsoft Power BI should you use to compare categorized values as the proportions of a total value?
pie chart
line chart
bar chart
scatter plot
What should you create in a data model to allow users to drill up and down in a report?
dimension
hierarchy
fact table
cube
Which visual in Microsoft Power BI allows you to view trends, such as changes in sales over time?
scatter plot
line chart
pie chart
card
In the PowerBI service, what should you create to share a single page with the most important visuals from the reports?
dashboard
scorecard
dataset
workspace
Which type of data should be sent from video cameras in a native binary format?
structured
semi-structured
unstructured
Which SQL clause can be used to copy all the rows from one table to a new table?
‘SELECT’ - ‘INTO’
‘UPDATE’
‘INSERT - VALUES’
‘SELECT - HAVING’
is a process, to replace duplicate data in a database and ensure data integrity.
(a)
is created to improve the performance of a query accessing a table that contains millions of rows.
(a)
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?
SQL Server on Azure Virtual Machines
Azure SQL Database
Azure SQL Managed Instance
Which open-source database is a hybrid relational-object database?
MySQL
MariaDB
PostgreSQL
Oracle Database
Which job role is responsible for building data models and finding hidden data patterns?
database administrator
data engineer
data analyst
What are (2) characteristics of Azure Table storage?
Each RowKey value is unique within a table.
Each RowKey value is unique within a table partition.
Items in the same partitions are stored in a row key order.
Tables use indexes to speed up queries.
Which Azure CosmosDB API should you use for data in key/value tables?
MongoDB
Table
Apache Cassandra
Apache Gremlin
You need to process many JSON files every minute, while keeping the data from the files accessible by using native queries. Which Azure CosmosDB API should you use?
SQL
Table
Apache Cassandra
Apache Gremlin
Which (2) types of files store data in columnar format?
Avro
Parquet
ORC
CSV
Which (2) types of applications are used in transactional systems?
line-of-business applications
live applications
reports presenting business metrics
reports presenting OLAP measures
Which type of Azure Storage is the least expensive option that allows you to store and edit image files?
block blobs in the Cool Tier
block blobs in the Archive Tier
append blobs in the Cool Tier
append blobs in the Archive Tier
Which Azure CosmosDB API should you use for data in the BSON format?
MongoDB
Table
Apache Cassandra
Apache Gremlin
Which Azure CosmosDB API allows you to work with vertices and edges?
SQL
Table
Apache Cassandra
Apache Gremlin
What should you use to process large amounts of data by using Apache Hadoop?
Azure Databricks
Azure Data Factory
Azure Synapse Analytics
Azure HDInsight
Which type of blob should you use to store data blocks that are added to a file frequently, but can NOT be deleted?
block
page
append
You have data stored in (2) tables in a database. You create a relationship between the table. Which type of data do you have?
structured
semi-structured
unstructured
Which service can you use to perpetually retrieve data from a Kafka queue, process the data, and write the data to Azure Data Lake?
Azure Synapse Analytics
Azure Stream Analytics
Azure CosmosDB
Azure Data Factory
Which (2) keys are needed to create a one-to-many relationship between two tables in a relational database?
Primary Key
Unique Key
Foreign Key
Index Key
Which (2) attributes are characteristics of an analytical data workload?
highly normalized
highly denormalized
optimized for create, read, update, and delete (CRUD) operations
optimized for read operations
In a relational database, in which type of object should you configure a data type?
columns
fields
relationships
rows
tables
What are (2) advantages of using normalization over not using normalization in a relational database?
uses less storage space
optimized for complex reads
optimized for updates
provides storage for non-structured data
Which SQL operation is used to combine the content of (2) tables based on a shared column?
HAVING
JOIN
UNION
INTERSECT
Which (2) DML statements are used to modify the existing data in a table?
SELECT
UPDATE
INSERT
MERGE
In a relational database, what can you use to create a virtual table from the results of a ‘SELECT’ statement?
an index
a relationship
a stored procedure
a view
Which service is managed and serverless, avoids the use of Windows Server licenses, and allows for each workload to have its own instance of the service being used?
Azure SQL Database
Azure SQL Managed Instance
SQL Server on Azure Virtual Machines running Windows
SQL Server on Azure Virtual Machines running on Linux
