NoSQL Online Test

Instructions:

This practice test has 20 questions
You have to attempt all the questions
Time will be 05:00 minute for 20 questions. After 05:00 minute, practice test will be submitted automatically and you will redirect to result page.
This practice test is for self evalutation, if you get less marks then passing marks. Please prepare more for get excellent mark next time
Best of luck :)

1. Which database property emphasizes immediate consistency in the CAP theorem, contrasting with BASE?

Availability Atomicity Consistency Durability

2. What is the main purpose of OAuth 2.0 in NoSQL database security?

Data Encryption Single Sign-On Data Masking Data Obfuscation

3. Which NoSQL database is often used for caching and session management?

Cassandra Redis Memcached Elasticsearch

4. Which NoSQL database category is closely associated with BASE principles?

Key-Value Stores Column-Family Stores Document Stores Graph Databases

5. In the context of the CAP Theorem, what does "P" refer to?

Partition tolerance Persistence Performance Probability

6. In which NoSQL data model is the schema typically fixed or predefined?

Document Store Key-Value Store Graph Store Wide-Column Store

7. Which term describes the ability of NoSQL databases to accommodate changes in data structure?

Schema-less Schema-evolution Schema-rigid Schema-centric

8. What is the primary benefit of a specialized query language for NoSQL databases?

Improved data security Enhanced data modeling Efficient data retrieval Simplified data storage

9. Neo4j is a popular NoSQL database for which type of data?

Key-Value Document Wide-column store Graph Data

10. What is the primary purpose of a query language in NoSQL databases?

Data retrieval Data modeling Data encryption Data partitioning

11. What is the focus of the "S" in BASE?

Speed Strong Soft Staleness

12. Which of the following properties does BASE prioritize in NoSQL databases, in contrast to the ACID properties?

Atomicity Availability Consistency Durability

13. In which type of NoSQL database is data organized into column families?

Document Stores Graph Databases Key-Value Stores Column-Family Stores

14. What is a potential drawback of using caching in NoSQL databases?

Increased Data Security Overhead Data Duplication Data Fragmentation

15. What is the primary purpose of data archiving in NoSQL databases?

Data Encryption Data Deletion Data Recovery Long-term Storage

16. How does cache eviction work in NoSQL caching mechanisms?

Data Duplication Data Backup Data Removal Data Encryption

17. What is a key disadvantage of NoSQL databases when it comes to complex queries involving multiple tables?

Limited support for joins Strong consistency Relational model Low write performance

18. Which NoSQL database might use replication as a data migration strategy to ensure high availability and fault tolerance?

MongoDB Cassandra Redis Couchbase

19. What is the primary benefit of using ETL (Extract, Transform, Load) in data migration?

Data Duplication Data Compression Data Transformation Data Consistency

20. BASE is often used in NoSQL databases that prioritize which two of the following attributes?

Availability and Consistency Availability and Durability Availability and Elasticity Elasticity and Consistency