
Core Data Concepts Quiz
Authored by Minh Doan
Computers
Professional Development

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data store is best for an application needing fast read/write operations in high-volume transactions?
Graph Database
Data Lake
Relational Database
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which processing system is best for analyzing customer purchase trends over the past year?
OLAP (Online Analytical Processing)
OLTP (Online Transactional Processing)
Stream Processing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What format should be used to store a collection of digital images?
Structured format (CSV)
Unstructured format (BLOB)
Semi-structured format (XML)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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