NoSQL Databases (e.g., MongoDB, Cassandra) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. What is a primary characteristic of NoSQL databases compared to traditional relational databases?



2. Which of the following is a type of NoSQL database?



3. What does ACID stand for in the context of database transactions?



4. Which type of NoSQL database is optimized for storing and retrieving key-value pairs?



5. What is a common use case for a document-oriented NoSQL database like MongoDB?



6. What is BSON in the context of MongoDB?



7. Which statement about MongoDB’s schema is true?



8. How do you perform aggregation operations in MongoDB?



9. What is a sharding key in MongoDB?



10. How do you create an index on a field in a MongoDB collection?



11. What is the primary data model used in Cassandra?



12. Which of the following is a characteristic of Cassandra’s architecture?



13. How does Cassandra ensure fault tolerance and high availability?



14. Which query language is used to interact with Cassandra?



15. What is a key advantage of using Cassandra for distributed databases?



16. What is a key difference between MongoDB and Cassandra?



17. Which NoSQL database is suitable for applications requiring high availability and linear scalability?



18. What is a common disadvantage of using NoSQL databases?



19. How do NoSQL databases typically handle transactions compared to traditional relational databases?



20. Which NoSQL database is known for its in-memory data storage and high-speed data access?



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