DP-200 Azure Data Storage Solutions 2

Question 1

What format does Azure Cosmos DB use to store data in its Core (SQL) API?

Accepted Answer

JSON documents

Answer

Azure Cosmos DB's Core (SQL) API stores data as JSON documents, enabling flexible schema-less data modeling.

Question 2

In Azure Cosmos DB, what does the Request Unit (RU) measure?

Accepted Answer

The cost of database operations in terms of CPU, memory, and I/O

Answer

Request Units abstract the combined CPU, memory, and I/O resources consumed by a single database operation in Cosmos DB.

Question 3

Which Cosmos DB consistency level provides the strongest consistency guarantees?

Accepted Answer

Strong

Answer

Strong consistency guarantees that reads always return the most recent committed write, at the cost of higher latency.

Question 4

What is the maximum size of a single document in Azure Cosmos DB?

Accepted Answer

2 MB

Answer

Azure Cosmos DB enforces a maximum document size of 2 MB to ensure consistent performance and efficient indexing.

Question 5

Which Azure Cosmos DB feature automatically distributes data and throughput across multiple partitions?

Accepted Answer

Horizontal partitioning

Answer

Horizontal partitioning in Cosmos DB automatically splits data across logical and physical partitions to scale throughput and storage.

DP-200 - Microsoft Azure Data Solutions Practice Test