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WorksheetsDP900>>Test3
Total questions: 42
Worksheet time: 35mins
What should you use to create and run data ingestion pipelines?
Azure Cosmos DB
Azure Data Factory
Azure Databricks
Azure HDInsight
Which service is built on Apache Spark and is compatible with other cloud providers?
Azure Data Factory
Azure Databricks
Azure HDInsight
Azure Synapse Analytics
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 dataset
a linked service
a pipeline
an activity
What is a characteristic of batch processing?
Batch processing handles small datasets based on a time window.
Batch processing is used to perform complex analysis.
Batch processing processes individual events.
Latency is measured in seconds or milliseconds.
Which two services can be used as a source for stream processing? Each correct answer presents a complete solution.
Azure Databricks
Azure Event Hubs
Azure IoT Hub
Azure SQL Database
In a stream processing architecture, what can you use to persist the processed results as files?
Azure Data Lake Storage Gen2
Azure Databricks
Azure Event Hubs
Azure Synapse Analytics
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 Cosmos DB
Azure Data Explorer
Azure Data Lake Storage Gen2
Azure Stream Analytics
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?
document database
graph database
key/value store
relational database
You have data stored in two tables in a database.
You create a relationship between the tables.
Which type of data do you have?
semi-structured
structured
unstructured
Which is the best type of database to use for an organizational chart?
Azure Table storage
Azure SQL Database
columnar
graph
Which type of database should you use to store sequential data in the fastest way possible?
Azure SQL Database
Azure Table storage
graph
time series
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?
Azure Table storage
graph
OLAP
OLTP
Which service allows you to store data as a graph database?
Azure Cosmos DB
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Which type of database can be used for semi-structured data that will be processed by an Apache Spark pool in Azure Synapse Analytics?
column-family
graph
relational
Which two types of file store data in columnar format?
Avro
Csv
Parquet
ORC
Which Azure Cosmos DB API allows you to implement a non-relational database and model nodes that have relationships between them?
Apache Gremlin
MongoDB
NoSQL
Table
Which two attributes are characteristics of an analytical data workload?
highly denormalized
highly normalized
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?
analytical
graph
time series
transactional
Which job role is responsible for designing database solutions, creating databases, and developing stored procedures?
database administrator
database analyst
database engineer
database user
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?
database administrator
data analyst
data engineer
Which job role is responsible for managing data privacy, monitoring data stores, and monitoring data pipelines?
database administrator
data analyst
data engineer
In a relational database, on which type of objects should you configure a datatype?
columns
fields
relationships
tables
Which SQL clause can be used to copy all the rows from one table to a new table?
INSERT – VALUES
SELECT – HAVING
SELECT - INTO
UPDATE
....................... is a process to reduce duplicate data in a database and ensure data integrity.
Indexing
Normalization
Projecting
Refactoring
What should you create to improve the performance of a query accessing a table that contains millions of rows?
a function
a stored procedure
a view
index
You have a complex query that selects data from multiple tables.
Which three database objects should allow you to reuse the query definition?
a Function
a table
a stored procedure
a view
a temporary table
Which two DML statements are used to modify the existing data in a table?
INSERT
MERGE
UPDATE
SELECT
In a relational database, what can you use to create a virtual table from the results of a SELECT statement?
a relationship
a stored procedure
a view
an index
Which data service provides a fully managed database with close to 100 percent feature parity with Microsoft SQL Server?
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
SQL Server on Azure Virtual Machines
Which data service allows you to create a single database that can scale up and down without downtime?
SQL Azure SQL Database
Azure SQL Managed Instance
Server on Azure Virtual Machines
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?
Azure SQL Database
Azure SQL Managed Instance
Azure SQL Managed Instance
Which open-source database is a hybrid relational-object database?
MariaDB
MySQL
Oracle Database
PostgreSQL
Which type of Azure Storage is the least expensive option that allows you to store and edit image files?
append blobs in the Archive tier
append blobs in the Cool tier
block blobs in the Archive tier
block blobs in the Cool tier
Which type of Azure Storage is used for VHDs and is optimized for random read and write operations?
Append Blobs
Azure Files
Block Blob
Page Blob
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 Data Lake Storage Gen2
Azure Files
Azure Storage page blobs
Azure Table storage
Which type of Azure Storage is used to store key/value pairs grouped in partitions?
Azure Data Lake Storage Gen2
Azure Files
Azure Storage page blobs
Azure Table storage
Which two storage solutions can be mounted in Azure Synapse Analytics and used to process large volumes of data?
Azure Blob storage
Azure Data Lake Storage
Azure Files
Azure Table storage
Which Azure Cosmos DB API should you use for data in a graph structure?
Apache Cassandra
Apache Gremlin
MongoDB
Table
Which Azure Cosmos DB API should you use for data in the BSON format?
Apache Cassandra
Apache Gremlin
MongoDB
Table
Which Azure Cosmos DB API should you use for data in key/value tables?
Apache Cassandra
Apache Gremlin
MongoDB
Table
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?
Apache Cassandra
Apache Gremlin
NoSQL
Table
Which Azure Cosmos DB API is queried by using a syntax based on SQL?
Apache Cassandra
Apache Gremlin
MongoDB
Table
