Welcome to the ultimate collection of 300+ Free Cassandra MCQ Questions designed to help you master Cassandra, one of the most powerful and scalable NoSQL databases available today. This comprehensive quiz covers a wide range of topics, from the fundamentals to advanced concepts, catering to learners at all levels—basic to expert.
Whether you’re a beginner just starting your journey or an experienced professional seeking to refine your skills, this quiz provides an engaging way to test your knowledge. Each question is meticulously crafted to align with real-world use cases, ensuring that you gain practical insights alongside theoretical understanding.
The Cassandra MCQ Questions in this quiz span key topics such as Cassandra’s architecture, installation, query language (CQL), and data modeling. You’ll explore critical areas like replication, consistency levels, performance tuning, and ecosystem integrations, diving into the nuances that make Cassandra a top choice for modern distributed systems.
Key highlights of this quiz:
- Beginner Level: Learn the basics, including Cassandra’s purpose, architecture, and essential commands.
- Intermediate Level: Strengthen your understanding of data modeling, indexing, and practical use cases.
- Expert Level: Tackle advanced topics such as performance optimization, compaction strategies, and integration with tools like Apache Spark.
By completing this quiz, you’ll not only reinforce your learning but also prepare yourself for interviews, certifications, and hands-on projects. Each question is accompanied by answers and explanations to support continuous learning and improvement.
Start the 300+ Free Cassandra MCQ Questions Quiz now and take a step closer to mastering Cassandra! Dive in, test your skills, and become proficient in this high-demand technology.
Below are some demo MCQs :
Sample 20 Cassandra MCQs with Answers
1. What type of database is Cassandra?
A) Relational Database
B) Key-Value Store
C) Column-Family Database
D) Graph Database
Answer: C) Column-Family Database
2. Which protocol does Cassandra use for communication between nodes?
A) Gossip Protocol
B) HTTP
C) RPC
D) REST
Answer: A) Gossip Protocol
3. What is the primary role of the Partition Key in Cassandra?
A) Sort data within partitions
B) Identify the table
C) Distribute data across nodes
D) Define replication strategy
Answer: C) Distribute data across nodes
4. What is the default consistency level in Cassandra?
A) ONE
B) ALL
C) QUORUM
D) ANY
Answer: A) ONE
5. Which tool is used to manage Cassandra clusters?
A) cqlsh
B) nodetool
C) cassandra-cli
D) spark-shell
Answer: B) nodetool
6. What does SSTable stand for?
A) Simple Storage Table
B) Sorted String Table
C) System Storage Table
D) Scalable String Table
Answer: B) Sorted String Table
7. What is the purpose of a Keyspace in Cassandra?
A) To store user data
B) To group column families
C) To execute queries
D) To define nodes
Answer: B) To group column families
8. How does Cassandra ensure high availability?
A) Vertical scaling
B) Replication
C) Strict consistency
D) Sharding
Answer: B) Replication
9. Which query language is used in Cassandra?
A) SQL
B) CQL
C) PQL
D) MongoQL
Answer: B) CQL
10. What is a Materialized View in Cassandra?
A) A backup of data
B) A secondary index
C) A query-specific table for efficient reads
D) A type of keyspace
Answer: C) A query-specific table for efficient reads
11. What is the purpose of the Gossip Protocol in Cassandra?
A) Data compaction
B) Inter-node communication and failure detection
C) Query optimization
D) Write-ahead logging
Answer: B) Inter-node communication and failure detection
12. What is a Tombstone in Cassandra?
A) A deleted row marker
B) A failed query
C) A corrupted node
D) A backup entry
Answer: A) A deleted row marker
13. Which of the following is NOT a consistency level in Cassandra?
A) LOCAL_QUORUM
B) EVENTUAL
C) ONE
D) ALL
Answer: B) EVENTUAL
14. What is the maximum number of nodes a Cassandra cluster can theoretically support?
A) 256
B) 1024
C) 1000
D) Unlimited
Answer: D) Unlimited
15. Which of the following is an anti-entropy mechanism in Cassandra?
A) Repair
B) Read-Ahead Cache
C) Write-Ahead Logging
D) Compaction
Answer: A) Repair
16. In Cassandra, what is the role of a Clustering Column?
A) Distribute data across nodes
B) Provide sorting order within a partition
C) Define the keyspace
D) Enable indexing
Answer: B) Provide sorting order within a partition
17. Which command is used to create a keyspace in Cassandra?
A) CREATE DATABASE
B) CREATE KEYSPACE
C) CREATE SCHEMA
D) CREATE TABLESPACE
Answer: B) CREATE KEYSPACE
18. What type of replication strategy is best for multi-data-center setups?
A) SimpleStrategy
B) NetworkTopologyStrategy
C) LocalStrategy
D) DataCenterAwareStrategy
Answer: B) NetworkTopologyStrategy
19. What happens if a Cassandra node fails?
A) The entire cluster stops
B) Replicated data is used from other nodes
C) Data is lost permanently
D) Data is backed up
Answer: B) Replicated data is used from other nodes
20. What is Write Consistency in Cassandra?
A) Ensures all nodes are up before writing
B) Ensures writes reach a specified number of replicas
C) Guarantees data is read accurately
D) Verifies keyspace exists before writing
Answer: B) Ensures writes reach a specified number of replicas