Azure Cosmos DB is a globally distributed, multi-model database service designed for high performance, scalability, and availability. It supports multiple APIs, including SQL, MongoDB, Cassandra, Gremlin, and Table, making it a versatile choice for modern applications. If you’re preparing for exams, interviews, or simply want to strengthen your skills, this collection of Azure Cosmos DB MCQs Questions is perfect for you. From the basics of setting up Cosmos DB to advanced topics like multi-region writes and optimization, these questions cover all levels of expertise.
Whether you’re a beginner learning about consistency levels or an expert working on global distribution strategies, these Azure Cosmos DB MCQs Questions will help you evaluate and expand your knowledge. Dive into the sample MCQs below, and access the full collection of 200+ questions to master Azure Cosmos DB concepts.
10 Sample MCQs on Azure Cosmos DB
- What does Azure Cosmos DB guarantee for its users?
- A) Unlimited storage
- B) Single-region availability
- C) Low-latency access
- D) Free transactions
- Answer: C
- Which API is used for graph databases in Azure Cosmos DB?
- A) SQL API
- B) Gremlin API
- C) Cassandra API
- D) Table API
- Answer: B
- What is a partition key used for in Azure Cosmos DB?
- A) Security
- B) Data indexing
- C) Data distribution
- D) Authentication
- Answer: C
- Which consistency level provides the strongest guarantee?
- A) Eventual
- B) Consistent Prefix
- C) Session
- D) Strong
- Answer: D
- What is the default indexing mode in Azure Cosmos DB?
- A) None
- B) Consistent
- C) Automatic
- D) Lazy
- Answer: C
- Which Azure Cosmos DB feature enables real-time processing of data changes?
- A) Change Feed
- B) Global Distribution
- C) Consistency Levels
- D) Autoscale
- Answer: A
- What is the unit of throughput in Azure Cosmos DB?
- A) IOPS
- B) RUs
- C) TPS
- D) MBps
- Answer: B
- Which API is best suited for NoSQL document-oriented applications?
- A) SQL API
- B) Cassandra API
- C) Gremlin API
- D) Table API
- Answer: A
- How does Azure Cosmos DB ensure high availability?
- A) Auto backups
- B) Global replication
- C) Strong indexing
- D) Consistency models
- Answer: B
- What is the maximum number of regions a Cosmos DB account can replicate data to?
- A) 10
- B) 50
- C) 100
- D) Unlimited
- Answer: D