You are evaluating data storage solutions to support a new application.

You need to recommend a data storage solution that represents data by using nodes and relationships in graph structures.

Which data storage solution should you recommend?

A. Blob Storage

B. Cosmos DB

C. Data Lake Store
D. HDInsight

Explanation:
For large graphs with lots of entities and relationships, you can perform very complex analyses very quickly. Many graph databases provide a query language that you can use to traverse a network of relationships efficiently.

Relevant Azure service: Cosmos DB

References:
https://docs.microsoft.com/en-us/azure/architecture/guide/technology-choices/data-store-overview