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WorksheetsDP900>Test
Total questions: 58
Worksheet time: 41mins
What should you use to automatically delete blobs from Azure Blob Storage?
A. soft delete
B. archive storage
C. the change feed
D. a lifecycle management policy
You need to store event log data that is semi-structured and received as the logs occur. What should
you use?
A. Azure Table storage
B. Azure Queue storage
C. Azure Files
What is a characteristic of a non-relational database?
A. a fixed schema
B. self-describing entities
C. full support for Transact-SQL
A serverless configuration
Azure SQL Database elastic pool
Azure SQL Managed Instance
Azure SQL Database single database
A database that has the highest compatibility with on-premises Microsoft SQL Server
Azure SQL Database single database:
Azure SQL Database elastic pool
Azure SQL Managed Instance
What is a primary characteristic of a relational database?
A. data is queried and manipulated by using a variant of the SQL language
B. a flexible data structure
C. a lack of dependencies between tables
D. a large amount of duplicate data
Which database transaction property ensures that individual transactions are executed only once and
either succeed in their entirety or roll back?
A. isolation
B. durability
C. atomicity
D. consistency
Which property of a transactional workload guarantees that each transaction is treated as a single
unit that either succeeds completely or fails completely?
A. isolation
B. durability
C. consistency
D. atomicity
Which database transaction property ensures that transactional changes to a database are preserved
during unexpected operating system restarts?
A. consistency
B. durability
C. isolation
D. atomicity
What is used to define a query in a stream processing jobs in Azure Stream Analytics?
A. XML
B. KQL
C. YAML
D. SQL
Which type of Azure resource supports the serverless configuration of an Azure SQL database?
A. Azure SQL Managed Instance
B. SQL Server on Azure Virtual Machines
C. a single database in Azure SQL Database
D. an Azure SQL Database elastic pool
What is required to provision Azure Data Lake Storage in an Azure Storage account?
A. Versioning must be enabled.
B. Hierarchical namespace must be enabled
C. Hierarchical namespace must be disabled
D. Versioning must be disabled.
You plan to deploy an app. The app requires a nonrelational data service that will provide latency
guarantees of less than 10-ms for reads and writes. What should you include in the solution?
A. Azure Cosmos
B. Azure Table storage
C. Azure Files
D. Azure Blob storage
What ate three characteristics of an Online Transaction Processing (OLTP) workload?
A. normalized data
B. schema defined in a database
C. schema defined when reading unstructured data from a database
D. light writes and heavy reads
E. heavy writes and moderate reads
A bank has a system that manages financial transactions.
When transferring money between accounts, the system must never retrieve a value for the source
account that reflects the balance before the transfer and a value for the destination account that
reflects the balance after the transfer.
Of which ACID semantic is this an example?
A. atomicity
B. isolation
C. durability
D. consistency
Which Azure SQL offering provides near-IOO percent compatibility with on-premises Microsoft SQL Server instances, while providing automated updates, backups, and maintenance tasks?
A. Azure SQL Managed Instance
B. SQL Server on Azure Virtual Machines
C. Azure SQL Edge
D. Azure SQL Database
A data engineer is responsible for which task?
A. Design and build analytical models.
B. Design and implement data stores for analytical workloads.
C. Explore data to identify trends.
D. Implement policies, tools. and processes for backup and recovery plans.
In Microsoft Power BI, a .......................................... is a collection of visualizations that appear together on one or more pages.
dashboard
dataset
report
tile
....................................... is a platform as a service (PaaS) relational data service that uses massively parallel processing (MPP)
Azure Synapse Analytics
Azure SQL Database
Azure Cosmos DB
Azure Database for MariaDB
Which T-SQL statement should be used to instruct a database management system to use an index
instead of performing a full table scan?
A. WHERE
B. SELECT
C. JOIN
Database backup and recovery
Data Engineer
Data Analyst
Database Administrator
Enabling advanced analytic capabilities through reports
Data Engineer
Data Analyst
Database Administrator
Monitoring data pipelines
Data Engineer
Data Analyst
Database Administrator
In a relational database, the schema is defined before data is written to the table.
Yes
No
Key/value data stores are highly optimized for complex queries that contain multiple joins.
Yes
No
A relational database is commonly used to store and query structured data.
Yes
No
In a graph database, edges specify relationships between ......................
tables
column families
facts
vertexes
The pipeline engine used in Azure Data Factory is also available in .................................
Azure Svnanse Analytics
Azure Databricks.
Azure HDInsight.
Azure SQL Database.
The Azure Cosmos DB ................................. enables the use of SELECT statements to retrieve documents from Azure Cosmos DB.
for NoSOL
for Apache Gremlin
for MongoDB
for Table
Which Azure Cosmos DB API should you use for a graph database?
A. Azure Cosmos DB for Apache Gremlin
B. Azure Cosmos DB for NoSQL
C. Azure Cosmos DB for Apache Cassandra
D. Azure Cosmos DB for Table
A Microsoft Power BI ................................ enables users to create highly formatted, fixed-layout documents optimized for printing and archiving.
dashboard
interactive report
paginated report
subscription
Batch workloads
collect data and then process the data when a condition is met.
always process data in memory, row-by-row.
collect and process data at most once a day.
process data as new data is received in near real-time.
An extract, load, and transform (ELT) process requires
a target data store powerful enough to transform data.
a data pipeline that includes a transformation engine.
a separate transformation engine.
data that is fully processed before being loaded to the target data store.
Relational data uses to enforce relationships between different tables.
keys
collections
rows
partitions
Varying fields for each entity in a JSON document is an example of
semi-structured data.
relational data.
structured data.
unstructured data
A ISON document that contains customer entities with a variable number of properties is an example of ......................
semi-structured
relational
structured
unstructured
In an analytical model, any point where the dimensions intersect represents ...................
a cube.
an aggregated dimension.
an aggregated measure.
................................ is responsible for finding hidden patterns in data and creating graphical reports that deliver information in a useful and appealing format.
A data analyst
A data engineer
A database administrator
In a fully denormalized database, how is data read and written for a single entity?
A. Data is read from a single table and written to a single table.
B. Data is read from multiple tables and written to a single table.
C. Data is read from a single table and written to multiple tables.
D. Data is read from multiple tables and written to multiple tables.
A relational database is appropriate for scenarios that involve a high of
changes to relationships between entities
Geographically distrubited writes
transacational writes
writes that have varying data structures
An extract , load and transform (ELT) process required ....
A data pipeline that includes a transformation engine
A seperate transformation engine
a target data store powerful enough to transform data
data that is fully processed before being loaded to the target data store
A bar chart showing year to date sales by region is an example of which type of analytics ?
Descriptive
Diagnostic
Predictive
Prescriptive
A visualization that shows a university's current student enrollment versus the maximum capacity is an example of .................................. analytics
Cognitive
Descriptive
Predictive
Prespective
Batch processing can output data to a file store
Yes
No
Batch processing can output data to a relational database
Yes
No
What are two uses of data visualization? Each correct answer present a complete solution.
A. Represent trends and patterns over time
B. Communicate the significance of data.
C. implement machine learning to predict future values.
D. Consistently implement business logic across reports
Data for a product catalog will be loaded every 12 hours to a data warehouse
Batch
Streaming
Data for online purchases will be loaded to a data warehouse as the purchase occur
Streaming
Batch
Updates to inventory data will be loaded to a data warehouse every 1000 transactions
Batch
Streaming
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)
What are two characteristics of real-time data processing? Each correct answer present a complete
solution.
A. Data is processed as it is created.
B. Low latency is expected
C. High latency acceptable
D. Data is processed periodically
Which two Azure services can be used to provision Spark clusters? Each correct answer presents a
complete solution.
A. Azure Databricks
B. Azure Log Analytics
C. Azure Time Series Insights
D. Azure HDinsight
You need to develop a solution to provide data to executives. the solution must provide an
interactive graphic interface, depict various key performance indications, and support data
exploration by using drill down.
What should you use in Microsoft Power BI?
A. a dashboard
B. Microsoft Power Apps
C. a dataflow
D. a report
What should you use to build a Microsoft Power BI paginated report?
A. Power BI report Builder
B. Power BI Desktop
C. Charticulator
D. the Power BI service
A pipeline is a representation of a data structure within Azure Data Factory
Yes
No
Azure Data Factory pipelines can execute other pipelines
Yes
No
A processing step within an azure Data Factory pipeline is an activity
Yes
No
Relational data is stored in ........
a file system as unstructred data
a hierarchical folder structure
a tabular form of rows and columns
comma-seperated value (CSV) files
