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WorksheetsWORKSHOP: HEALTHCARE DATA LAKEHOUSE IN ACTION
Total questions: 10
Worksheet time: 5mins
What distinguishes a data lakehouse from a data warehouse and data lake?
Only stores structured data
Combines structured data management with flexibility for unstructured data
Does not support AI/ML
Limited to cloud environments
Which of the following is a component of the compute layer in a data lakehouse?
MinIO
AWS S3
Apache Spark
Azure Blob Storage
What is the role of a data catalog in a lakehouse architecture?
Manages metadata and enhances data discoverability
Encrypts data for security
Stores only structured data
Deletes obsolete data
Which open table format supports ACID transactions in a data lakehouse?
CSV
JSON
Delta Lake
Parquet
What is a primary consideration for cost control in a lakehouse architecture?
Using expensive proprietary databases
Limiting data storage capacity
Using fixed compute resources
Implementing cheap object storage and pay-as-you-go compute
What does data lineage in a lakehouse help track?
Hardware failures
The origin and transformation of data
User access history
Cost expenditure on resources
Which activities are crucial for ensuring data quality in a lakehouse?
Ignoring data validation
Only storing raw data
Implementing data cleansing and validation processes
Minimizing data ingestion
What is a primary function of the monitoring and management layer in a lakehouse?
Performance tracking and resource optimization
Data encryption
Data visualization
Static data storage
What is a key strategy for optimizing the storage layer in a data lakehouse?
Using only high-cost storage solutions
Storing all data in a single format
Avoiding cloud-based storage
Implementing data compression and tiered storage
What is NOT an approach to ensure dynamic data access control in a lakehouse environment?
Role-based access control (RBAC)
Attribute-based access control (ABAC)
Open access policies for all users
Policy-based access control
