NoSQL Online Test

1. Which query language is commonly associated with querying data in JSON-based NoSQL databases?

SQL N1QL CQL SPARQL

2. Which NoSQL data migration strategy involves breaking down large data documents into smaller, more manageable pieces?

Sharding ETL (Extract, Transform, Load) Replication Data Deduplication

3. Which consistency model is suitable for applications where low-latency reads are more important than strong data consistency?

Strong consistency Eventual consistency Causal consistency Monotonic consistency

4. Which principle of the CAP Theorem asserts that all nodes in a distributed system can read and write data?

Consistency Availability Partition tolerance Atomicity

5. What is a common advantage of NoSQL databases when it comes to scaling out and adding more servers?

Horizontal scalability Limited scalability Centralized storage Fixed schema

6. What type of data model does Apache Solr use for its search capabilities?

Document Graph Key-Value Search-Oriented

7. Which advantage of NoSQL databases makes them well-suited for web and mobile applications with variable workloads?

Scalability Complex querying Schema enforcement Centralized storage

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

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

9. According to the CAP Theorem, what is "A"?

Availability Atomicity Authentication Affinity

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

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

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

Strong Consistency Fixed Schema Horizontal Scalability ACID Compliance

12. Which consistency model emphasizes strict data consistency and may lead to increased latency?

Strong consistency Eventual consistency Causal consistency Monotonic consistency

13. What does the BASE acronym stand for in NoSQL databases?

Basic, Atomic, Strong, Eventually Basically Available, Soft state, Eventually consistent Binary, Availability, Scalability, Efficiency Base, Acid, Soft, Eventually

14. Which cache consistency model ensures that the cache always contains the most recent data?

Strong Consistency Eventual Consistency Causal Consistency Weak Consistency

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

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

16. Which backup method is suitable for protecting against accidental data loss, but less effective for disaster recovery in NoSQL databases?

Incremental Backup Differential Backup Full Backup Continuous Backup

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

Data Encryption Single Sign-On Data Masking Data Obfuscation

18. Which NoSQL database model is typically associated with excellent horizontal scalability?

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

19. What is the primary trade-off addressed by the CAP theorem regarding consistency in distributed systems?

Consistency vs. Availability Consistency vs. Partition tolerance Availability vs. Partition tolerance Eventual vs. Strong consistency

20. Which query language is used for querying RDF data in NoSQL databases designed for semantic web applications?

SPARQL SQL N1QL Gremlin