Tag: DP-900 Practice Exam Questions

DP-900: Azure Data Fundamentals – Advanced Practice Exam – 60 questions

Advanced Practice Exam (60 Questions)

This advanced practice exam contains:

  • Higher-difficulty questions
  • More scenario-based questions
  • Multi-answer questions
  • Matching questions
  • Fill-in-the-blank questions
  • SQL and architecture concepts
  • Azure service selection scenarios

Section 1 — Core Data Concepts


Question 1 (Scenario-Based)

A company stores customer survey responses in JSON format. Each survey can contain different fields depending on the survey type.

How should this data be classified?

A. Structured
B. Semi-structured
C. Unstructured
D. Transactional

Answer: B — Semi-structured

Explanations

A. Incorrect
Structured data requires a rigid schema.

B. Correct
JSON is semi-structured because it contains flexible tagged fields.

C. Incorrect
Unstructured data has little or no organization.

D. Incorrect
Transactional refers to workload type, not structure.


Question 2 (Multi-Answer)

Which characteristics are associated with transactional workloads? (Choose TWO)

A. High concurrency
B. Historical aggregations
C. Fast insert/update operations
D. Large-scale reporting queries

Answers: A and C

Explanations

A. Correct
Transactional systems support many simultaneous users.

B. Incorrect
Historical aggregations are analytical.

C. Correct
OLTP systems perform fast write operations.

D. Incorrect
Large reporting queries belong to analytics workloads.


Question 3 (Scenario-Based)

A database contains duplicated customer addresses across multiple tables. The database architect wants to reduce redundancy and improve consistency.

Which process should be used?

A. Partitioning
B. Normalization
C. Encryption
D. Replication

Answer: B — Normalization

Explanations

A. Incorrect
Partitioning improves scalability.

B. Correct
Normalization reduces duplication.

C. Incorrect
Encryption secures data.

D. Incorrect
Replication copies data.


Question 4 (Single Answer)

Which SQL statement removes an existing table and all its data?

A. DELETE
B. REMOVE
C. DROP
D. ERASE

Answer: C — DROP

Explanations

A. Incorrect
DELETE removes rows only.

B. Incorrect
REMOVE is not standard SQL.

C. Correct
DROP deletes the table structure and data.

D. Incorrect
ERASE is not standard SQL.


Question 5 (Matching)

Match the role to the responsibility.

RoleResponsibility
1. DBAA. Creates dashboards
2. Data AnalystB. Maintains database performance
3. Data EngineerC. Builds data pipelines

Answers

  • 1 → B
  • 2 → A
  • 3 → C

Question 6 (Scenario-Based)

A retail company needs a database for processing thousands of purchases per minute with guaranteed consistency.

Which workload type is MOST appropriate?

A. Analytical
B. Streaming
C. Transactional
D. Archival

Answer: C — Transactional

Explanations

A. Incorrect
Analytical systems focus on reporting.

B. Incorrect
Streaming processes event flows.

C. Correct
Transactional systems support operational consistency and speed.

D. Incorrect
Archival systems store inactive data.


Question 7 (Fill in the Blank)

The SQL statement used to add new rows to a table is __________.

Answer: INSERT


Question 8 (Multi-Answer)

Which file formats are commonly used in analytics workloads? (Choose TWO)

A. Parquet
B. ORC
C. BMP
D. EXE

Answers: A and B

Explanations

A. Correct
Parquet is optimized for analytics.

B. Correct
ORC is another columnar analytics format.

C. Incorrect
BMP is an image format.

D. Incorrect
EXE is executable software.


Question 9 (Scenario-Based)

An organization wants to analyze 10 years of sales history for trends and forecasting.

Which workload type is BEST suited?

A. OLTP
B. Analytical
C. Streaming
D. Operational

Answer: B — Analytical


Question 10 (Single Answer)

Which database object contains reusable SQL logic?

A. View
B. Index
C. Stored Procedure
D. Key

Answer: C — Stored Procedure


Section 2 — Relational Data on Azure


Question 11 (Scenario-Based)

A company is migrating an on-premises SQL Server application that relies heavily on SQL Server Agent, cross-database queries, and instance-level features.

Which Azure service is MOST appropriate?

A. Azure SQL Database
B. Azure SQL Managed Instance
C. Azure Cosmos DB
D. Azure Blob Storage

Answer: B — Azure SQL Managed Instance

Explanations

A. Incorrect
Azure SQL Database has fewer instance-level features.

B. Correct
Managed Instance offers near full SQL Server compatibility.

C. Incorrect
Cosmos DB is NoSQL.

D. Incorrect
Blob Storage stores files.


Question 12 (Single Answer)

Which Azure SQL offering provides the HIGHEST level of infrastructure control?

A. Azure SQL Database
B. Azure SQL Managed Instance
C. SQL Server on Azure Virtual Machines
D. Azure Synapse Analytics

Answer: C — SQL Server on Azure Virtual Machines


Question 13 (Multi-Answer)

Which are advantages of Platform as a Service (PaaS) databases? (Choose TWO)

A. Automatic patching
B. Reduced administrative overhead
C. Full operating system control
D. Manual backups only

Answers: A and B


Question 14 (Scenario-Based)

A company wants automatic scaling, backups, and minimal management overhead for a new cloud-native application.

Which solution is BEST?

A. SQL Server on Azure VMs
B. Azure SQL Database
C. Windows Server Failover Cluster
D. Self-hosted SQL Server

Answer: B — Azure SQL Database


Question 15 (Single Answer)

What is the purpose of a foreign key?

A. Encrypt data
B. Create indexes
C. Enforce relationships between tables
D. Remove duplicates

Answer: C — Enforce relationships between tables


Question 16 (Scenario-Based)

A company needs a managed PostgreSQL service in Azure.

Which service should be used?

A. Azure SQL Database
B. Azure Database for PostgreSQL
C. Azure Blob Storage
D. Azure Cosmos DB

Answer: B — Azure Database for PostgreSQL


Question 17 (Single Answer)

Which normalization form removes transitive dependencies?

A. 1NF
B. 2NF
C. 3NF
D. 4NF

Answer: C — 3NF


Question 18 (Multi-Answer)

Which SQL statements are Data Manipulation Language (DML)? (Choose TWO)

A. SELECT
B. INSERT
C. CREATE
D. DROP

Answers: A and B


Question 19 (Scenario-Based)

A query needs to return ALL customers, including those without orders.

Which JOIN should be used?

A. INNER JOIN
B. CROSS JOIN
C. LEFT JOIN
D. SELF JOIN

Answer: C — LEFT JOIN


Question 20 (Single Answer)

Which object improves query performance but does NOT store actual business data?

A. Table
B. View
C. Index
D. Row

Answer: C — Index


Section 3 — Non-Relational Data


Question 21 (Scenario-Based)

A media company needs to store petabytes of video content at low cost.

Which Azure service is MOST appropriate?

A. Azure SQL Database
B. Azure Blob Storage
C. Azure Table Storage
D. Azure Cache for Redis

Answer: B — Azure Blob Storage


Question 22 (Single Answer)

Which Azure Blob Storage tier is optimized for infrequently accessed data?

A. Premium
B. Hot
C. Cool
D. Archive

Answer: C — Cool


Question 23 (Scenario-Based)

An organization needs cloud-hosted SMB file shares accessible by both cloud and on-premises servers.

Which service should be used?

A. Azure Cosmos DB
B. Azure Files
C. Azure Table Storage
D. Azure SQL Database

Answer: B — Azure Files


Question 24 (Multi-Answer)

Which APIs are supported by Azure Cosmos DB? (Choose TWO)

A. MongoDB
B. Cassandra
C. Oracle
D. SMB

Answers: A and B


Question 25 (Scenario-Based)

A gaming company needs globally distributed low-latency data access for player profiles.

Which Azure service is BEST?

A. Azure Cosmos DB
B. Azure Files
C. Azure SQL Database
D. Azure Blob Storage

Answer: A — Azure Cosmos DB


Question 26 (Single Answer)

What is a major benefit of Azure Cosmos DB partitioning?

A. Reduces security
B. Enables scalability
C. Removes replication
D. Prevents indexing

Answer: B — Enables scalability


Question 27 (Fill in the Blank)

Azure Cosmos DB provides multi-region __________ to improve availability and performance.

Answer: replication


Question 28 (Scenario-Based)

A company needs a NoSQL key-value store for massive telemetry ingestion.

Which service is MOST appropriate?

A. Azure Table Storage
B. Azure SQL Database
C. Azure Files
D. Azure DNS

Answer: A — Azure Table Storage


Question 29 (Single Answer)

Which storage service stores data as objects inside containers?

A. Azure Files
B. Azure Blob Storage
C. Azure SQL Database
D. Azure Cosmos DB

Answer: B — Azure Blob Storage


Question 30 (Multi-Answer)

Which are characteristics of non-relational databases? (Choose TWO)

A. Flexible schemas
B. Strict relational constraints
C. Horizontal scalability
D. Mandatory JOIN operations

Answers: A and C


Section 4 — Analytics Workloads


Question 31 (Scenario-Based)

A company collects IoT sensor readings every second and needs near real-time dashboards.

Which processing approach is MOST appropriate?

A. Batch processing
B. Streaming processing
C. Archival processing
D. Offline reporting

Answer: B — Streaming processing


Question 32 (Single Answer)

Which Azure service is designed for high-throughput event ingestion?

A. Azure Event Hubs
B. Azure Backup
C. Azure Files
D. Azure DNS

Answer: A — Azure Event Hubs


Question 33 (Scenario-Based)

An organization needs Apache Spark-based analytics with collaborative notebooks.

Which service is BEST?

A. Azure Databricks
B. Azure Files
C. Azure DNS
D. Azure Firewall

Answer: A — Azure Databricks


Question 34 (Single Answer)

Which architecture commonly includes fact tables and dimension tables?

A. OLTP schema
B. Star schema
C. Graph schema
D. XML schema

Answer: B — Star schema


Question 35 (Multi-Answer)

Which are characteristics of a data warehouse? (Choose TWO)

A. Optimized for analytics
B. Stores historical data
C. Primarily supports OLTP transactions
D. Limited aggregations

Answers: A and B


Question 36 (Scenario-Based)

A company wants a unified analytics platform combining engineering, warehousing, data science, and BI.

Which Microsoft service BEST fits?

A. Microsoft Fabric
B. Azure Files
C. Azure Firewall
D. Azure DNS

Answer: A — Microsoft Fabric


Question 37 (Single Answer)

Which service allows SQL-like queries against streaming data?

A. Azure Stream Analytics
B. Azure Files
C. Azure Backup
D. Azure Monitor

Answer: A — Azure Stream Analytics


Question 38 (Scenario-Based)

An organization processes payroll data once nightly.

Which processing type is MOST appropriate?

A. Streaming
B. Batch
C. Event-driven only
D. Real-time analytics

Answer: B — Batch


Question 39 (Single Answer)

Which process extracts, transforms, and loads data into analytical systems?

A. ETL
B. DNS
C. RAID
D. OLTP

Answer: A — ETL


Question 40 (Multi-Answer)

Which services are commonly associated with real-time analytics? (Choose TWO)

A. Azure Event Hubs
B. Azure Stream Analytics
C. Azure Files
D. Azure Backup

Answers: A and B


Section 5 — Power BI


Question 41 (Scenario-Based)

An executive wants a single-page overview showing KPIs and summary visuals.

Which Power BI object should be used?

A. Dataset
B. Dashboard
C. Dataflow
D. Semantic model

Answer: B — Dashboard


Question 42 (Single Answer)

Which Power BI component is primarily used for data transformation?

A. DAX
B. Power Query
C. Azure Functions
D. Power Automate

Answer: B — Power Query


Question 43 (Scenario-Based)

A report must show revenue trends over 24 months.

Which visualization is BEST?

A. Pie chart
B. Gauge chart
C. Line chart
D. Scatter chart

Answer: C — Line chart


Question 44 (Single Answer)

Which visualization is BEST for displaying proportions?

A. Scatter chart
B. Pie chart
C. Card
D. Gauge chart

Answer: B — Pie chart


Question 45 (Scenario-Based)

A company wants users to filter reports interactively by region and year.

Which feature should be used?

A. Indexes
B. Slicers
C. Measures
D. Triggers

Answer: B — Slicers


Question 46 (Single Answer)

Which Power BI language creates measures and calculated columns?

A. SQL
B. Python
C. DAX
D. XML

Answer: C — DAX


Question 47 (Scenario-Based)

A business analyst wants to identify the relationship between advertising spend and revenue.

Which visualization is BEST?

A. Pie chart
B. Scatter chart
C. Gauge chart
D. Card

Answer: B — Scatter chart


Question 48 (Single Answer)

Which Power BI visualization is BEST for detailed row-level data?

A. Table
B. Gauge
C. Pie chart
D. Card

Answer: A — Table


Question 49 (Multi-Answer)

Which are benefits of Power BI dashboards? (Choose TWO)

A. Real-time monitoring
B. Single-page summaries
C. Operating system administration
D. SQL indexing

Answers: A and B


Question 50 (Scenario-Based)

A company needs a geographic visualization of sales by country.

Which visualization is BEST?

A. Matrix
B. Map
C. Gauge
D. Card

Answer: B — Map


Section 6 — Comprehensive Scenarios


Question 51 (Scenario-Based)

A healthcare organization requires:

  • Globally distributed NoSQL storage
  • Automatic replication
  • Low latency worldwide
  • Flexible schema support

Which solution BEST fits?

A. Azure SQL Database
B. Azure Cosmos DB
C. Azure Files
D. Azure Synapse Analytics

Answer: B — Azure Cosmos DB


Question 52 (Scenario-Based)

A manufacturing company collects sensor telemetry every second from thousands of devices.

Which Azure service should ingest the streaming events?

A. Azure Event Hubs
B. Azure Files
C. Azure SQL Managed Instance
D. Azure Backup

Answer: A — Azure Event Hubs


Question 53 (Scenario-Based)

A company wants full control of SQL Server patching, OS configuration, and backups.

Which deployment option should be used?

A. Azure SQL Database
B. Azure SQL Managed Instance
C. SQL Server on Azure Virtual Machines
D. Azure Cosmos DB

Answer: C — SQL Server on Azure Virtual Machines


Question 54 (Single Answer)

Which Azure service is MOST optimized for unstructured object storage?

A. Azure Blob Storage
B. Azure SQL Database
C. Azure Files
D. Azure Synapse Analytics

Answer: A — Azure Blob Storage


Question 55 (Scenario-Based)

An analytics team needs to store historical sales data optimized for aggregation queries.

Which solution is BEST?

A. Transactional database
B. Data warehouse
C. Azure Files
D. DNS server

Answer: B — Data warehouse


Question 56 (Single Answer)

Which SQL statement changes existing records?

A. CREATE
B. UPDATE
C. INSERT
D. ALTER

Answer: B — UPDATE


Question 57 (Multi-Answer)

Which are benefits of normalization? (Choose TWO)

A. Reduced redundancy
B. Improved consistency
C. Increased duplicate storage
D. Reduced relationships

Answers: A and B


Question 58 (Scenario-Based)

A report needs to compare revenue across product categories.

Which visualization is BEST?

A. Line chart
B. Scatter chart
C. Bar chart
D. Gauge chart

Answer: C — Bar chart


Question 59 (Fill in the Blank)

The SQL JOIN that returns only matching rows from both tables is called an __________ JOIN.

Answer: INNER


Question 60 (Scenario-Based)

A company needs:

  • Large-scale analytics
  • Integrated Power BI reporting
  • Data engineering
  • Real-time analytics
  • Unified SaaS experience

Which platform BEST meets these requirements?

A. Microsoft Fabric
B. Azure Files
C. Azure DNS
D. Windows Server Failover Clustering

Answer: A — Microsoft Fabric


Advanced Exam Study Tips

Know the differences between:

  • OLTP vs OLAP
  • Batch vs streaming
  • Structured vs semi-structured vs unstructured
  • Relational vs NoSQL

Memorize Azure service associations:

ServicePurpose
Azure Blob StorageUnstructured object storage
Azure FilesSMB file shares
Azure Table StorageKey-value NoSQL
Azure Cosmos DBGlobally distributed NoSQL
Azure Event HubsStreaming ingestion
Azure Stream AnalyticsReal-time analytics
Azure DatabricksSpark analytics
Microsoft FabricUnified analytics platform

Power BI visualization shortcuts:

VisualizationBest Use
Line chartTrends
Bar chartComparisons
Pie chartProportions
Scatter chartRelationships
CardSingle KPI
MapGeographic analysis
GaugeProgress toward target

Go to the DP-900 Exam Prep Hub main page.

DP-900: Azure Data Fundamentals – Practice Exam Questions – 60 questions

Full Practice Exam

This practice exam covers all major skills measured on the DP-900 certification exam, including:

  • Core data concepts
  • Relational data on Azure
  • Non-relational data on Azure
  • Analytics workloads
  • Power BI and visualization
  • Real-time analytics
  • Azure data services

Question formats include:

  • Single-answer multiple choice
  • Multi-answer multiple choice
  • Matching/connect-the-answers
  • Fill-in-the-blank
  • Scenario-based questions

Section 1 — Core Data Concepts


Question 1 (Single Answer)

Which type of data has a predefined schema consisting of rows and columns?

A. Unstructured data
B. Semi-structured data
C. Structured data
D. Streaming data

Answer: C — Structured data

Explanations

A. Incorrect
Unstructured data does not have a predefined schema.

B. Incorrect
Semi-structured data has some organization but not fixed rows/columns.

C. Correct
Structured data uses a defined schema with rows and columns.

D. Incorrect
Streaming data refers to continuously arriving data, not structure type.


Question 2 (Multi-Answer)

Which of the following are examples of semi-structured data? (Choose TWO)

A. JSON
B. CSV
C. XML
D. SQL tables

Answers: A and C

Explanations

A. Correct
JSON contains tags/structure but flexible schemas.

B. Incorrect
CSV is structured tabular data.

C. Correct
XML is semi-structured because it uses tagged hierarchical data.

D. Incorrect
SQL tables are structured relational data.


Question 3 (Fill in the Blank)

A database design technique used to reduce data redundancy is called __________.

Answer: Normalization

Explanation

Normalization organizes data efficiently and minimizes duplication.


Question 4 (Single Answer)

Which SQL statement retrieves data from a table?

A. INSERT
B. UPDATE
C. SELECT
D. DELETE

Answer: C — SELECT

Explanations

A. Incorrect
INSERT adds records.

B. Incorrect
UPDATE modifies records.

C. Correct
SELECT retrieves data.

D. Incorrect
DELETE removes records.


Question 5 (Matching)

Match the workload to its description.

WorkloadDescription
1. TransactionalA. Historical analysis
2. AnalyticalB. Real-time business operations

Answers

  • 1 → B
  • 2 → A

Explanation

Transactional workloads support day-to-day operations; analytical workloads analyze historical data.


Question 6 (Single Answer)

Which role is MOST responsible for maintaining database availability and backups?

A. Data Analyst
B. Data Engineer
C. Database Administrator
D. Business User

Answer: C — Database Administrator

Explanations

A. Incorrect
Data analysts focus on reporting and insights.

B. Incorrect
Data engineers build pipelines and integration systems.

C. Correct
DBAs manage availability, backups, and performance.

D. Incorrect
Business users consume reports.


Question 7 (Multi-Answer)

Which are characteristics of analytical workloads? (Choose TWO)

A. Frequent INSERT operations
B. Historical trend analysis
C. Large-scale aggregations
D. High-volume OLTP transactions

Answers: B and C

Explanations

A. Incorrect
Frequent inserts are more common in transactional systems.

B. Correct
Analytical systems examine historical data.

C. Correct
Aggregations are common in analytics.

D. Incorrect
OLTP workloads are transactional.


Question 8 (Single Answer)

Which file format is commonly used for big data analytics because of columnar storage and compression?

A. TXT
B. CSV
C. Parquet
D. XML

Answer: C — Parquet

Explanations

A. Incorrect
TXT files are plain text.

B. Incorrect
CSV is row-based text data.

C. Correct
Parquet is optimized for analytics workloads.

D. Incorrect
XML is semi-structured but not optimized for analytics.


Question 9 (Single Answer)

Which database object stores data in rows and columns?

A. View
B. Stored procedure
C. Table
D. Index

Answer: C — Table

Explanations

A. Incorrect
Views are virtual query results.

B. Incorrect
Stored procedures contain SQL logic.

C. Correct
Tables store relational data.

D. Incorrect
Indexes improve query performance.


Question 10 (Single Answer)

Which SQL JOIN returns only matching rows from both tables?

A. LEFT JOIN
B. RIGHT JOIN
C. INNER JOIN
D. FULL OUTER JOIN

Answer: C — INNER JOIN

Explanations

A. Incorrect
LEFT JOIN includes unmatched left-side rows.

B. Incorrect
RIGHT JOIN includes unmatched right-side rows.

C. Correct
INNER JOIN returns only matches.

D. Incorrect
FULL OUTER JOIN includes all rows.


Section 2 — Relational Data on Azure


Question 11 (Single Answer)

Which Azure SQL option provides the MOST compatibility with on-premises SQL Server?

A. Azure SQL Database
B. Azure SQL Managed Instance
C. Azure Cosmos DB
D. Azure Blob Storage

Answer: B — Azure SQL Managed Instance

Explanations

A. Incorrect
Azure SQL Database is fully managed but has fewer instance-level features.

B. Correct
Managed Instance provides near full SQL Server compatibility.

C. Incorrect
Cosmos DB is NoSQL.

D. Incorrect
Blob Storage is object storage.


Question 12 (Multi-Answer)

Which Azure services support open-source relational databases? (Choose TWO)

A. Azure Database for PostgreSQL
B. Azure Database for MySQL
C. Azure Synapse Analytics
D. Azure Files

Answers: A and B

Explanations

A. Correct
Azure provides managed PostgreSQL.

B. Correct
Azure provides managed MySQL.

C. Incorrect
Synapse is analytics-focused.

D. Incorrect
Azure Files is storage.


Question 13 (Single Answer)

Which Azure SQL option gives customers the MOST operating system control?

A. Azure SQL Database
B. Azure SQL Managed Instance
C. SQL Server on Azure Virtual Machines
D. Azure Cosmos DB

Answer: C — SQL Server on Azure Virtual Machines

Explanations

A. Incorrect
Fully managed platform service.

B. Incorrect
Managed service with limited OS access.

C. Correct
VMs provide full infrastructure control.

D. Incorrect
Cosmos DB is NoSQL.


Question 14 (Fill in the Blank)

A column whose values uniquely identify each row in a table is called a __________ key.

Answer: Primary

Explanation

A primary key uniquely identifies rows.


Question 15 (Single Answer)

Which database normalization form removes repeating groups?

A. 1NF
B. 2NF
C. 3NF
D. 4NF

Answer: A — 1NF

Explanations

A. Correct
1NF eliminates repeating groups.

B. Incorrect
2NF removes partial dependencies.

C. Incorrect
3NF removes transitive dependencies.

D. Incorrect
4NF handles multi-valued dependencies.


Section 3 — Non-Relational Data on Azure


Question 16 (Single Answer)

Which Azure storage service is best for storing large unstructured files?

A. Azure SQL Database
B. Azure Blob Storage
C. Azure Table Storage
D. Azure Cosmos DB

Answer: B — Azure Blob Storage

Explanations

A. Incorrect
SQL Database is relational.

B. Correct
Blob Storage stores unstructured objects like images/videos.

C. Incorrect
Table Storage stores NoSQL key-value data.

D. Incorrect
Cosmos DB is a globally distributed database.


Question 17 (Single Answer)

Which Azure storage service provides SMB file shares?

A. Azure Blob Storage
B. Azure Cosmos DB
C. Azure Files
D. Azure Table Storage

Answer: C — Azure Files

Explanations

A. Incorrect
Blob Storage is object storage.

B. Incorrect
Cosmos DB is NoSQL.

C. Correct
Azure Files supports SMB shares.

D. Incorrect
Table Storage stores structured NoSQL entities.


Question 18 (Multi-Answer)

Which are valid Azure Cosmos DB APIs? (Choose TWO)

A. MongoDB API
B. Cassandra API
C. Oracle API
D. SMB API

Answers: A and B

Explanations

A. Correct
Cosmos DB supports MongoDB API.

B. Correct
Cosmos DB supports Cassandra API.

C. Incorrect
Oracle API is not supported.

D. Incorrect
SMB is a file-sharing protocol.


Question 19 (Single Answer)

Which characteristic is a major feature of Azure Cosmos DB?

A. Single-region architecture
B. Global distribution
C. Relational-only schema
D. File-share management

Answer: B — Global distribution

Explanations

A. Incorrect
Cosmos DB supports multiple regions.

B. Correct
Global distribution is a key feature.

C. Incorrect
Cosmos DB is NoSQL.

D. Incorrect
Not a file-sharing service.


Question 20 (Matching)

Match the storage service to its use case.

ServiceUse Case
1. Blob StorageA. SMB file shares
2. Azure FilesB. Unstructured objects

Answers

  • 1 → B
  • 2 → A

Section 4 — Analytics Workloads


Question 21 (Single Answer)

Which process involves collecting data from multiple sources into an analytics system?

A. Visualization
B. Data ingestion
C. Data modeling
D. Backup

Answer: B — Data ingestion

Explanations

A. Incorrect
Visualization displays data.

B. Correct
Ingestion collects and imports data.

C. Incorrect
Modeling defines relationships/calculations.

D. Incorrect
Backup protects data copies.


Question 22 (Single Answer)

Which analytical store is optimized for historical analytics and reporting?

A. OLTP database
B. Data warehouse
C. Azure Files
D. DNS server

Answer: B — Data warehouse

Explanations

A. Incorrect
OLTP supports transactions.

B. Correct
Warehouses support analytics.

C. Incorrect
Files are storage shares.

D. Incorrect
DNS resolves names.


Question 23 (Multi-Answer)

Which Microsoft services support large-scale analytics? (Choose TWO)

A. Azure Databricks
B. Microsoft Fabric
C. Azure DNS
D. Azure Firewall

Answers: A and B

Explanations

A. Correct
Databricks supports big data analytics.

B. Correct
Fabric is an end-to-end analytics platform.

C. Incorrect
DNS is networking.

D. Incorrect
Firewall is security infrastructure.


Question 24 (Single Answer)

What is the primary difference between batch processing and streaming processing?

A. Batch processing handles data continuously
B. Streaming processes data as it arrives
C. Streaming stores only historical data
D. Batch requires IoT devices

Answer: B — Streaming processes data as it arrives

Explanations

A. Incorrect
Continuous processing is streaming.

B. Correct
Streaming handles near real-time data.

C. Incorrect
Streaming is not limited to historical data.

D. Incorrect
Batch does not require IoT.


Question 25 (Single Answer)

Which Azure service is commonly used for streaming event ingestion?

A. Azure Event Hubs
B. Azure Files
C. Azure SQL Database
D. Azure DNS

Answer: A — Azure Event Hubs

Explanations

A. Correct
Event Hubs ingests streaming events.

B. Incorrect
Azure Files is storage.

C. Incorrect
SQL Database is relational.

D. Incorrect
DNS is networking.


Question 26 (Single Answer)

Which service uses SQL-like queries for real-time stream processing?

A. Azure Stream Analytics
B. Azure Firewall
C. Azure DNS
D. Azure Virtual Machines

Answer: A — Azure Stream Analytics

Explanations

A. Correct
Stream Analytics uses SQL-like syntax.

B. Incorrect
Firewall is security.

C. Incorrect
DNS resolves names.

D. Incorrect
VMs are infrastructure.


Question 27 (Fill in the Blank)

The architecture commonly used in analytics models with fact and dimension tables is called a __________ schema.

Answer: Star


Question 28 (Single Answer)

Which Power BI object is a single-page collection of visualizations?

A. Report
B. Dashboard
C. Dataset
D. Workspace

Answer: B — Dashboard

Explanations

A. Incorrect
Reports are usually multi-page.

B. Correct
Dashboards are single-page summaries.

C. Incorrect
Datasets store data models.

D. Incorrect
Workspaces organize content.


Question 29 (Single Answer)

Which Power BI feature is used for data transformation?

A. DAX
B. Power Query
C. Power Automate
D. Azure Functions

Answer: B — Power Query

Explanations

A. Incorrect
DAX creates calculations.

B. Correct
Power Query cleans and transforms data.

C. Incorrect
Power Automate automates workflows.

D. Incorrect
Azure Functions run code.


Question 30 (Single Answer)

Which Power BI language is used for measures and calculations?

A. Python
B. JavaScript
C. DAX
D. XML

Answer: C — DAX


Section 5 — Power BI Visualization


Question 31 (Single Answer)

Which chart type is BEST for showing trends over time?

A. Pie chart
B. Scatter chart
C. Line chart
D. Gauge chart

Answer: C — Line chart


Question 32 (Single Answer)

Which visualization is BEST for showing proportions of a whole?

A. Pie chart
B. Table
C. Scatter chart
D. Card

Answer: A — Pie chart


Question 33 (Single Answer)

Which visualization is BEST for geographic analysis?

A. Matrix
B. Map
C. Gauge
D. Card

Answer: B — Map


Question 34 (Single Answer)

Which visualization is BEST for displaying a single KPI?

A. Scatter chart
B. Card
C. Matrix
D. Pie chart

Answer: B — Card


Question 35 (Single Answer)

Which visualization is BEST for comparing categories?

A. Line chart
B. Map
C. Bar chart
D. Gauge chart

Answer: C — Bar chart


Question 36 (Multi-Answer)

Which visuals support detailed tabular reporting? (Choose TWO)

A. Table
B. Matrix
C. Gauge
D. Pie chart

Answers: A and B


Question 37 (Single Answer)

Which Power BI feature enables interactive filtering?

A. DAX
B. Slicer
C. Gauge
D. Workspace

Answer: B — Slicer


Question 38 (Single Answer)

Which visualization is BEST for identifying relationships between two numeric variables?

A. Pie chart
B. Scatter chart
C. Card
D. Gauge chart

Answer: B — Scatter chart


Question 39 (Fill in the Blank)

A Power BI object containing multiple pages of visualizations is called a __________.

Answer: Report


Question 40 (Single Answer)

Which Power BI component is cloud-based and used for sharing reports?

A. Power BI Desktop
B. Power BI Service
C. Power Query
D. Power Pivot

Answer: B — Power BI Service


Section 6 — Advanced Scenarios


Question 41 (Scenario)

A company needs a globally distributed NoSQL database with low latency worldwide.

Which Azure service should they use?

A. Azure SQL Database
B. Azure Cosmos DB
C. Azure Files
D. Azure Blob Storage

Answer: B — Azure Cosmos DB


Question 42 (Scenario)

A company needs to store millions of images and videos cost-effectively.

Which Azure service is MOST appropriate?

A. Azure SQL Database
B. Azure Blob Storage
C. Azure Files
D. Azure Synapse Analytics

Answer: B — Azure Blob Storage


Question 43 (Scenario)

A company needs fully managed relational databases with automatic patching and backups.

Which service is BEST?

A. SQL Server on Azure VMs
B. Azure SQL Database
C. Azure Files
D. Azure Event Hubs

Answer: B — Azure SQL Database


Question 44 (Scenario)

A retail company wants real-time fraud detection from transaction streams.

Which Azure service is MOST appropriate for processing?

A. Azure Stream Analytics
B. Azure DNS
C. Azure Files
D. Azure Backup

Answer: A — Azure Stream Analytics


Question 45 (Multi-Answer)

Which are characteristics of transactional systems? (Choose TWO)

A. Low-latency transactions
B. Historical trend analysis
C. High concurrency
D. Large aggregations

Answers: A and C


Question 46 (Single Answer)

Which SQL statement modifies existing rows?

A. INSERT
B. UPDATE
C. SELECT
D. CREATE

Answer: B — UPDATE


Question 47 (Single Answer)

Which SQL JOIN returns all rows from the left table and matching rows from the right table?

A. INNER JOIN
B. LEFT JOIN
C. RIGHT JOIN
D. CROSS JOIN

Answer: B — LEFT JOIN


Question 48 (Matching)

Match the visualization to the purpose.

VisualizationPurpose
1. Line chartA. Show relationships
2. Scatter chartB. Show trends

Answers

  • 1 → B
  • 2 → A

Question 49 (Single Answer)

Which Azure service supports Apache Spark analytics?

A. Azure Databricks
B. Azure Files
C. Azure DNS
D. Azure Firewall

Answer: A — Azure Databricks


Question 50 (Single Answer)

Which storage type is MOST appropriate for key-value NoSQL storage?

A. Azure Table Storage
B. Azure SQL Database
C. Azure Files
D. Azure Synapse Analytics

Answer: A — Azure Table Storage


Section 7 — Mixed Difficulty Review


Question 51 (Single Answer)

What is the primary purpose of normalization?

A. Increase redundancy
B. Improve graphics rendering
C. Reduce duplicate data
D. Increase storage costs

Answer: C — Reduce duplicate data


Question 52 (Single Answer)

Which data type stores audio and video files?

A. Structured
B. Semi-structured
C. Unstructured
D. Relational

Answer: C — Unstructured


Question 53 (Multi-Answer)

Which are benefits of Power BI dashboards? (Choose TWO)

A. Real-time monitoring
B. Single-page summary
C. Operating system management
D. Virtual machine provisioning

Answers: A and B


Question 54 (Single Answer)

Which service is MOST associated with IoT device ingestion?

A. Azure IoT Hub
B. Azure SQL Database
C. Azure Files
D. Azure Backup

Answer: A — Azure IoT Hub


Question 55 (Single Answer)

Which Azure service provides a unified analytics platform with BI integration?

A. Microsoft Fabric
B. Azure Firewall
C. Azure DNS
D. Azure Backup

Answer: A — Microsoft Fabric


Question 56 (Single Answer)

Which object improves database query performance?

A. Table
B. View
C. Index
D. Trigger

Answer: C — Index


Question 57 (Single Answer)

Which workload typically uses OLTP systems?

A. Analytical
B. Transactional
C. Archival
D. Reporting-only

Answer: B — Transactional


Question 58 (Fill in the Blank)

The SQL statement used to remove rows from a table is __________.

Answer: DELETE


Question 59 (Single Answer)

Which Azure SQL offering is a Platform as a Service (PaaS) solution?

A. SQL Server on Azure Virtual Machines
B. Azure SQL Database
C. Windows Server
D. Hyper-V

Answer: B — Azure SQL Database


Question 60 (Single Answer)

Which Power BI visualization is MOST appropriate for showing progress toward a goal?

A. Scatter chart
B. Gauge chart
C. Table
D. Pie chart

Answer: B — Gauge chart


Final Exam Tips

Focus heavily on:

  • Relational vs non-relational data
  • Azure storage services
  • Azure SQL family
  • Cosmos DB features
  • Power BI basics
  • Analytics workloads
  • Batch vs streaming concepts

Frequently tested associations:

  • Blob Storage → unstructured files
  • Event Hubs → streaming ingestion
  • Stream Analytics → real-time processing
  • Cosmos DB → globally distributed NoSQL
  • Power BI → visualization and reporting
  • DAX → calculations
  • Power Query → transformation

Power BI Visualization Tips

  • Line chart → trends
  • Bar chart → comparisons
  • Pie chart → proportions
  • Scatter chart → relationships
  • Card → single KPI
  • Map → geographic data

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