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
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1. What does "ETL" stand for in the context of NoSQL data migration?

Extract, Tag, Load Encrypt, Transfer, Load Extract, Transform, Load Erase, Transmit, Log

2. Which NoSQL database type stores data in semi-structured documents?

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

3. Which type of cache is typically used for improving read performance in NoSQL databases?

Write-Through Cache Write-Behind Cache Read-Through Cache Eviction Cache

4. Which type of data migration moves data from one NoSQL database to another while preserving the data structure?

Schema Migration Vertical Migration Horizontal Migration NoSQL-to-SQL Migration

5. In which NoSQL data model is data typically stored in column families?

Document Store Key-Value Store Column-family Store Graph Store

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

Partition tolerance Persistence Performance Probability

7. Which NoSQL data model is ideal for use cases like social networks and recommendation engines?

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

8. Which data model allows dynamic and schema-less data storage?

Document Store Key-Value Store Column-family Store Wide-Column Store

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

Cassandra Redis Memcached Elasticsearch

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

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

11. Which NoSQL databases often support SSL/TLS encryption for data transmission?

Cassandra CouchDB Redis Elasticsearch

12. What is a common disadvantage of NoSQL databases when it comes to data consistency?

Eventual consistency Strong consistency Isolation levels ACID compliance

13. Which NoSQL data model is optimized for complex relationship queries?

Key-Value Store Column-family Store Wide-Column Store Graph Store

14. 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

15. What is the primary advantage of NoSQL databases regarding scalability?

Strong Consistency Fixed Schema Horizontal Scalability ACID Compliance

16. 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

17. Which type of NoSQL data model is based on key-value pairs?

Document Store Column-family Store Graph Store Key-Value Store

18. What is a potential drawback of using continuous backup in NoSQL databases?

Data Consistency High Overhead Data Encryption Limited Scalability

19. In BASE, what is the meaning of "E"?

Evergreen Eventual Efficient Elastic

20. Which authentication method commonly secures access to NoSQL databases?

Username/Password OAuth 2.0 Biometric RFID Cards