DP 900 Certification Questions And Answers
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Q: 1 What is the primary purpose of a relational database?
1] Storing structured data
2] Storing unstructured data
3] Processing real-time streams
4] Managing virtual machines
Q: 2 Which Azure service is a relational database offering?
1] Azure Blob Storage
2] Azure SQL Database
3] Azure Data Factory
4] Azure Cosmos DB
Q: 3 What is the primary feature of a NoSQL database?
1] Support for fixed schemas
2] Support for flexible schemas
3] Limited data scalability
4] Strict data consistency
Q: 4 Which Azure service provides a globally distributed NoSQL database?
1] Azure SQL Database
2] Azure Cosmos DB
3] Azure Synapse Analytics
4] Azure Data Lake
Q: 5 What is the main use case for Azure Synapse Analytics?
1] Web application hosting
2] Big data analytics
3] Real-time monitoring
4] Secure file storage
Q: 6 Which Azure service is designed for real-time analytics on fast-moving data?
1] Azure Data Factory
2] Azure Stream Analytics
3] Azure SQL Database
4] Azure Logic Apps
Q: 7 What is a data warehouse designed for?
1] Processing real-time transactions
2] Storing and analyzing large datasets
3] Hosting virtual machines
4] Managing user identities
Q: 8 What type of data is typically stored in a data lake?
1] Structured only
2] Unstructured, semi-structured, and structured
3] Unstructured only
4] Metadata only
Q: 9 Which Azure service enables the movement and transformation of data?
1] Azure Data Factory
2] Azure SQL Database
3] Azure Event Hubs
4] Azure DevOps
Q: 10 What is the role of Azure Data Lake Storage?
1] Hosting relational databases
2] Storing large-scale unstructured data
3] Monitoring application performance
4] Managing containerized apps
Q: 11 Which component is central to the Extract, Transform, Load (ETL) process?
1] Azure Logic Apps
2] Data integration tools
3] Virtual machines
4] Azure Key Vault
Q: 12 What is a benefit of using a NoSQL database?
1] High data consistency
2] Flexible schema support
3] Limited scalability
4] Complex query optimization
Q: 13 Which Azure service is used to implement data pipelines?
1] Azure Synapse Analytics
2] Azure Data Factory
3] Azure Cosmos DB
4] Azure Monitor
Q: 14 What is the purpose of Azure Event Hubs?
1] Stream real-time data
2] Host relational databases
3] Create workflows
4] Secure application access
Q: 15 Which Azure service is best suited for integrating data from multiple sources?
1] Azure Data Factory
2] Azure Blob Storage
3] Azure Kubernetes Service
4] Azure Functions
Q: 16 What is a key characteristic of structured data?
1] Fixed schema
2] No predefined schema
3] Highly variable formats
4] Limited query capabilities
Q: 17 Which database system uses tables, rows, and columns?
1] Relational database
2] NoSQL database
3] Key-value store
4] Graph database
Q: 18 What is the purpose of a partition key in a NoSQL database?
1] To encrypt data
2] To distribute data across partitions
3] To ensure schema compliance
4] To provide high consistency
Q: 19 Which type of database is ideal for managing hierarchical relationships?
1] Relational database
2] Graph database
3] Key-value database
4] NoSQL database
Q: 20 What is the role of Azure SQL Managed Instance?
1] Provide fully managed SQL Server instances
2] Store unstructured data
3] Host containerized applications
4] Automate data backups
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Q: 21 Which service provides serverless, scalable NoSQL database in Azure?
1] Azure SQL Database
2] Azure Cosmos DB
3] Azure Data Lake
4] Azure Kubernetes Service
Q: 22 Which consistency level ensures the strongest data consistency in Azure Cosmos DB?
1] Eventual consistency
2] Strong consistency
3] Session consistency
4] Bounded staleness
Q: 23 What is the purpose of Azure Synapse Link?
1] Real-time data integration
2] Secure identity management
3] Automate VM creation
4] Scale relational databases
Q: 24 Which storage option is best for streaming large amounts of unstructured data?
1] Azure Queue Storage
2] Azure Blob Storage
3] Azure Table Storage
4] Azure Files
Q: 25 What is a key feature of a graph database?
1] Tabular data representation
2] Storing hierarchical and relationship data
3] Fixed schema
4] High latency
Q: 26 What is the purpose of Azure Table Storage?
1] Store key-value pairs
2] Host virtual machines
3] Manage structured transactions
4] Create SQL databases
Q: 27 Which database model uses collections instead of tables?
1] Relational
2] NoSQL
3] Graph
4] In-memory database
Q: 28 Which Azure service is used for managing data catalogs?
1] Azure Purview
2] Azure Monitor
3] Azure Synapse Analytics
4] Azure Sentinel
Q: 29 What is a key advantage of a data lake over traditional data storage?
1] Ability to store only structured data
2] Scalability for all types of data formats
3] Optimized for relational queries
4] Requires less metadata
Q: 30 What is the main feature of Azure Databricks?
1] Big data analytics and machine learning
2] Hosting web apps
3] Identity and access management
4] Monitoring SQL queries
Q: 31 What does Azure Synapse Analytics integrate for advanced analytics?
1] SQL and Spark
2] SQL and R
3] Spark and Python
4] Hadoop and Python
Q: 32 Which tool helps visualize relationships in graph databases?
1] Azure Data Studio
2] Graph Explorer
3] Azure Monitor
4] Azure Key Vault
Q: 33 What is a benefit of data normalization in relational databases?
1] Reduces data redundancy
2] Increases data redundancy
3] Eliminates the need for keys
4] Simplifies querying
Q: 34 Which Azure service offers data governance capabilities?
1] Azure Purview
2] Azure Monitor
3] Azure AD
4] Azure DevOps
Q: 35 What is the primary benefit of Azure Cosmos DB’s multi-region replication?
1] Improved cost efficiency
2] High availability and low latency
3] Automated scaling
4] Enhanced schema flexibility
Q: 36 Which type of storage provides message queueing functionality?
1] Azure Table Storage
2] Azure Queue Storage
3] Azure Blob Storage
4] Azure Files
Q: 37 What is the purpose of a surrogate key in relational databases?
1] Ensure data normalization
2] Act as a unique identifier for records
3] Partition data across tables
4] Encrypt sensitive data
Q: 38 Which Azure service allows for real-time processing of IoT data?
1] Azure Stream Analytics
2] Azure SQL Database
3] Azure Functions
4] Azure Purview
Q: 39 What is the purpose of sharding in databases?
1] Enhance security
2] Improve scalability
3] Automate data backup
4] Provide consistency
Q: 40 What is the default consistency level in Azure Cosmos DB?
1] Strong consistency
2] Eventual consistency
3] Session consistency
4] Consistent prefix
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Q: 41 What does a star schema represent in a data warehouse?
1] Central fact table with related dimension tables
2] Centralized table storing all data
3] Distributed database model
4] Decentralized NoSQL structure
Q: 42 Which Azure tool is used to monitor and optimize query performance in SQL databases?
1] Query Performance Insight
2] Azure Monitor
3] Azure Key Vault
4] Azure Policy
Q: 43 What is a common use case for Azure Blob Storage?
1] Storing logs and media files
2] Managing virtual networks
3] Creating SQL databases
4] Running application workflows
Q: 44 What is the primary role of Azure Time Series Insights?
1] Analyze IoT data streams
2] Monitor SQL database usage
3] Secure application access
4] Manage relational databases
Q: 45 Which storage solution is ideal for a large volume of relational data?
1] Azure Files
2] Azure SQL Database
3] Azure Data Lake
4] Azure Queue Storage
Q: 46 What is a feature of columnar databases?
1] Optimized for OLTP
2] Optimized for analytical queries
3] Fixed schema requirement
4] Requires key-value pairing
Q: 47 What is the main use of Azure Monitor in the context of data solutions?
1] Track resource metrics
2] Analyze customer relationships
3] Secure SQL databases
4] Query real-time data
Q: 48 Which Azure service supports polyglot persistence?
1] Azure Cosmos DB
2] Azure Data Lake
3] Azure SQL Database
4] Azure Event Grid
Q: 49 What is the purpose of Azure Cache for Redis?
1] Provide low-latency data access
2] Automate backups
3] Secure data across regions
4] Analyze SQL queries
Q: 50 Which Azure service is commonly used for ETL pipelines?
1] Azure Data Factory
2] Azure SQL Managed Instance
3] Azure Kubernetes Service
4] Azure AD
Q: 51 What is an example of semi-structured data?
1] JSON file
2] Plain text file
3] SQL table
4] PDF document
Q: 52 What is the role of an index in a database?
1] Enhance data security
2] Improve query performance
3] Simplify data normalization
4] Provide schema flexibility
Q: 53 Which Azure service is a fully managed NoSQL database for high-throughput, low-latency workloads?
1] Azure Cosmos DB
2] Azure SQL Managed Instance
3] Azure Blob Storage
4] Azure Queue Storage
Q: 54 What does OLTP stand for?
1] Online Logical Transaction Processing
2] Offline Linear Transaction Processing
3] Online Transaction Processing
4] On-premises Transaction Processing
Q: 55 Which database model is optimized for transactional operations?
1] Columnar database
2] Relational database
3] Graph database
4] Document database
Q: 56 What is Azure Data Explorer primarily used for?
1] Real-time and ad hoc data analysis
2] Managing structured data
3] Hosting virtual machines
4] Automating application builds
Q: 57 Which feature of Azure Cosmos DB allows data to scale globally?
1] Data encryption
2] Partition keys
3] Multi-region replication
4] Strong consistency
Q: 58 What does Azure Database Migration Service enable?
1] Move data from on-premises to Azure
2] Create backups of SQL databases
3] Scale virtual machines
4] Secure application access
Q: 59 What is the primary benefit of columnar storage for analytics?
1] Improved transactional performance
2] Efficient querying for large datasets
3] Simplified schema management
4] Faster streaming data ingestion
Q: 60 Which Azure service supports streaming millions of events per second?
1] Azure Data Factory
2] Azure Event Hubs
3] Azure Blob Storage
4] Azure Files
Q: 61 What is a common use case for Azure Table Storage?
1] Storing key-value pairs
2] Storing relational data
3] Storing large files
4] Analyzing big data
Q: 62 What is the key difference between a data warehouse and a data lake?
1] Data warehouse stores raw data; data lake processes structured data
2] Data warehouse processes structured data; data lake stores raw data
3] Data warehouse uses NoSQL; data lake uses relational models
4] Both are the same
Q: 63 What is the purpose of Azure Blob Storage lifecycle policies?
1] Encrypt data
2] Automatically transition blobs to cooler tiers
3] Ensure schema flexibility
4] Automate database backups
Q: 64 Which Azure service offers in-memory data storage?
1] Azure Data Lake Storage
2] Azure Cache for Redis
3] Azure Data Factory
4] Azure Cosmos DB
Q: 65 Which data format is most associated with big data workloads?
1] CSV
2] JSON
3] Parquet
4] TXT
Q: 66 What is a feature of Azure Database for PostgreSQL?
1] Supports ACID transactions
2] Optimized for columnar storage
3] Built for NoSQL data
4] Integrated with Azure Blob Storage
Q: 67 What is a data pipeline?
1] A process to move and transform data
2] A virtual machine used for analytics
3] A tool for encrypting relational data
4] A schema for defining NoSQL collections
Q: 68 Which Azure service is designed for time-series data analysis?
1] Azure Stream Analytics
2] Azure Time Series Insights
3] Azure Data Factory
4] Azure SQL Managed Instance
Q: 69 What does the ACID acronym represent in database systems?
1] Atomicity, Consistency, Isolation, Durability
2] Automation, Consistency, Isolation, Durability
3] Analytics, Consistency, Integration, Durability
4] Atomicity, Caching, Isolation, Delivery
Q: 70 Which database type is ideal for highly connected data?
1] Relational database
2] Graph database
3] Document database
4] Key-value database
Q: 71 Which Azure service simplifies data transformation for AI workloads?
1] Azure Machine Learning
2] Azure Synapse Analytics
3] Azure Data Factory
4] Azure Purview
Q: 72 What is the role of a fact table in a data warehouse?
1] Stores detailed transactional data
2] Stores aggregated numerical data
3] Stores metadata
4] Manages indexes
Q: 73 Which tool is commonly used to visualize data in Azure?
1] Power BI
2] Azure DevOps
3] Azure Key Vault
4] Azure AD
Q: 74 Which Azure service provides monitoring for SQL databases?
1] Azure Monitor
2] Azure Purview
3] Azure Data Factory
4] Azure Kubernetes Service
Q: 75 What does Azure Data Share enable?
1] Secure data sharing between organizations
2] Migrate databases to Azure
3] Automate schema creation
4] Build ETL pipelines
Q: 76 What is an example of operational data?
1] Customer transaction data
2] Aggregated sales reports
3] Yearly financial trends
4] Historical event logs
Q: 77 Which database engine supports open-source compatibility in Azure?
1] Azure SQL Managed Instance
2] Azure Database for MySQL
3] Azure Cosmos DB
4] Azure Event Hubs
Q: 78 What is the purpose of Azure Logic Apps in data solutions?
1] Create workflows
2] Manage data ingestion
3] Encrypt data
4] Optimize queries
Q: 79 What is the primary feature of Azure Data Lake Gen2?
1] Hierarchical namespace
2] Fixed schema
3] Real-time query performance
4] Relational model
Q: 80 What is the benefit of data sharding in databases?
1] Improved query consistency
2] Enhanced scalability
3] Increased latency
4] Reduced storage costs
Q: 81 Which database service is best for mobile applications requiring offline sync?
1] Azure Cosmos DB
2] Azure SQL Database
3] Azure Database for PostgreSQL
4] Azure Cache for Redis
Q: 82 Which Azure service is used to query big data stored in Azure Storage?
1] Azure Data Explorer
2] Azure Synapse Analytics
3] Azure SQL Database
4] Azure Blob Storage
Q: 83 What is an advantage of polyglot persistence?
1] Use of a single database engine
2] Combining multiple data models
3] Strict schema adherence
4] Simplified data storage
Q: 84 Which component in Azure Synapse allows for serverless querying?
1] SQL Pool
2] Data Lake
3] SQL On-Demand
4] Apache Spark
Q: 85 What is the role of Azure Managed Identity in data solutions?
1] Secure access to Azure services
2] Scale data ingestion pipelines
3] Automate relational backups
4] Monitor user behavior
Q: 86 Which service provides distributed streaming data ingestion?
1] Azure Event Hubs
2] Azure Data Lake
3] Azure SQL Managed Instance
4] Azure Kubernetes Service
Q: 87 Which NoSQL database model uses JSON-like documents?
1] Graph database
2] Document database
3] Key-value store
4] Relational database
Q: 88 What is a characteristic of normalized data?
1] Minimal redundancy
2] High redundancy
3] Simplified queries
4] Unstructured format
Q: 89 Which Azure tool tracks data lineage for compliance purposes?
1] Azure Purview
2] Azure Monitor
3] Azure SQL Database
4] Azure Data Factory
Q: 90 What is the purpose of Azure Blob soft delete?
1] Recover deleted blobs
2] Encrypt stored data
3] Compress data
4] Migrate blobs to other tiers
Q: 91 Which Azure database service supports PostgreSQL extensions?
1] Azure SQL Database
2] Azure Database for PostgreSQL
3] Azure Data Lake
4] Azure Cosmos DB
Q: 92 What does eventual consistency in NoSQL databases ensure?
1] Immediate consistency
2] Guaranteed eventual data synchronization
3] Strict schema enforcement
4] Minimal latency
Q: 93 Which Azure service integrates with Apache Spark?
1] Azure Synapse Analytics
2] Azure Data Lake
3] Azure SQL Managed Instance
4] Azure Cosmos DB
Q: 94 What is the purpose of a dimension table in a star schema?
1] Provide descriptive attributes
2] Store raw transactional data
3] Host analytical queries
4] Automate indexing
Q: 95 Which Azure service is designed for batch data processing?
1] Azure Batch
2] Azure Stream Analytics
3] Azure SQL Database
4] Azure AD
Q: 96 Which tool is best for visualizing large datasets in Azure?
1] Power BI
2] Azure Data Studio
3] Azure AD
4] Azure Monitor
Q: 97 What is a primary function of Azure Functions in data workflows?
1] Trigger actions based on events
2] Store analytical data
3] Build relational tables
4] Process stream data
Q: 98 What is the benefit of serverless databases in Azure?
1] Scalability and cost-efficiency
2] High maintenance requirements
3] Fixed schema enforcement
4] Minimal security
Q: 99 Which Azure service helps manage metadata?
1] Azure Purview
2] Azure Monitor
3] Azure Functions
4] Azure Blob Storage
Q: 100 What is a benefit of Azure SQL Database Hyperscale?
1] Supports databases up to 100TB
2] Provides in-memory capabilities
3] No support for dynamic scaling
4] Requires on-prem backups