Core Data Concepts Quiz

Which data store is best for an application needing fast read/write operations in high-volume transactions?

• Graph Database

• Data Lake

• Relational Database

A company wants to store vast amounts of multi-structured data for batch analysis. Which solution is most suitable?

• Relational Database

• Key-Value Store

• Data Lake

Which processing system is best for analyzing customer purchase trends over the past year?

• OLAP (Online Analytical Processing)

• OLTP (Online Transactional Processing)

• Stream Processing

Your organization needs to store transactional logs accessed frequently for real-time analysis. Which storage system is ideal?

• File Storage System

• Relational Database

• Graph Database

What format should be used to store a collection of digital images?

• Structured format (CSV)

• Unstructured format (BLOB)

• Semi-structured format (XML)

Your company is developing a system to store application logs with varied formats. What data format is best?

• Semi-structured (JSON)

• Structured (SQL tables)

• Unstructured (Plain text files)

Which of the following is an example of unstructured data?

• CSV file with sales records

• JSON file with customer details

• Video file of a product demonstration

A company wants to ensure data integrity during simultaneous customer order updates. Which system should be used?

• File Storage System

• Relational Database

• Key-Value Store

Which system is appropriate for storing hierarchical data with different attributes per record?

• Delimited Text Files

• Document Database

• Relational Database

Which processing system is best for analyzing real-time sensor data from IoT devices?

• OLAP

• Stream Processing

• Batch Processing