UNIT-4

What are the fundamental components of data storage?

• Data, Metadata, Indexing

• Data, Applications, Dashboards

• Data, Reports, Visualization

• Data, Streaming, Transformation

Which of the following is a key characteristic of modern data storage systems?

• High latency

• Scalability

• Limited access

• Manual processing only

Which data storage system is optimized for fast read and write operations?

• Data Warehouse

• Object Storage

• OLTP Database

• Data Lake

Which type of storage is best suited for handling structured and relational data?

• Key-Value Store

• Relational Database

• File Storage

• Blob Storage

Which of the following is an example of a file-based storage abstraction?

• CSV

• SQL Table

• Redis Cache

• API Gateway

Which of the following is NOT a primary abstraction for data storage?

• Files

• Tables

• Objects

• Dashboards

Which abstraction is best suited for large-scale distributed storage systems?

• Object Storage

• Key-Value Store

• Columnar Databases

• All of the above

Which of the following is a defining feature of a Data Warehouse?

• Supports real-time processing

• Optimized for structured data and analytical queries

• Stores unstructured data without transformation

• Uses NoSQL databases for storage

What is a key characteristic of a Data Lake?

• Stores only structured data

• Uses a predefined schema-on-write approach

• Can store raw, semi-structured, and unstructured data

• Requires immediate data transformation before storage

Which of the following is a major advantage of a Data Lakehouse?

• It combines structured and unstructured storage with analytical capabilities

• It only supports batch processing

• It does not support real-time analytics

• It does not allow schema evolution