A. Incorrect.
Azure SQL Database is relational and not the best match for flexible JSON document NoSQL requirements.

B. Correct.
Azure Cosmos DB is a globally distributed NoSQL database service that can store JSON document data.

C. Incorrect.
Azure Files provides managed file shares, not a document database.

D. Incorrect.
Key Vault stores secrets and cryptographic assets, not customer document records.

A. Incorrect.
Blob archive tier is object storage for rarely accessed blobs and is not mounted as an SMB file share.

B. Incorrect.
Event Hubs ingests event streams and does not provide file shares.

C. Correct.
Azure Files provides managed cloud file shares accessible through SMB and NFS.

D. Incorrect.
Synapse Link is for analytics integration and is not an SMB file sharing service.

A. Incorrect.
Table Storage stores NoSQL key-attribute entities, not large object files as its primary purpose.

B. Incorrect.
Service Bus is an enterprise messaging service and is not object storage.

C. Incorrect.
App Configuration stores application settings and feature flags, not large unstructured objects.

D. Correct.
Azure Blob Storage is object storage for unstructured data such as images, backups, logs, and documents.

A. Correct.
Relational databases use tables, schemas, keys, and relationships, while non-relational stores can use flexible data models.

B. Incorrect.
Relational data is commonly queried with SQL.

C. Incorrect.
Non-relational databases do not require stored procedures as a defining feature.

D. Incorrect.
Relational databases are not limited to image files.

A. Incorrect.
Azure Firewall secures network traffic and does not build business dashboards.

B. Incorrect.
Azure Backup protects data and workloads but is not a visualization tool.

C. Correct.
Power BI is used to create reports, dashboards, and data visualizations.

D. Incorrect.
Private DNS provides name resolution and is unrelated to reporting.

A. Incorrect.
Azure Bastion provides secure VM remote access and is not an analytics warehouse service.

B. Incorrect.
Load Balancer distributes network traffic and does not provide data warehousing.

C. Incorrect.
Action groups send notifications or trigger actions; they are not analytics platforms.

D. Correct.
Azure Synapse Analytics combines enterprise data warehousing and big data analytics capabilities.

A. Incorrect.
Azure DNS hosts DNS zones and is not a Spark analytics service.

B. Correct.
Azure Databricks provides an Apache Spark-based analytics platform commonly used for big data and machine learning workloads.

C. Incorrect.
Queue Storage stores messages and does not provide Spark notebooks.

D. Incorrect.
DevTest Labs manages development and test environments, not distributed analytics notebooks.

A. Correct.
Azure Event Hubs is a high-throughput event ingestion service for telemetry and streaming data.

B. Incorrect.
Azure Files provides file shares and does not ingest event streams.

C. Incorrect.
Elastic query is not the event ingestion service for high-volume telemetry.

D. Incorrect.
Advisor gives recommendations and does not ingest streaming events.

A. Incorrect.
The Core SQL API is commonly used for JSON document data, not graph traversal with vertices and edges.

B. Incorrect.
The Table API supports key-value style workloads and is not the graph API.

C. Correct.
The Gremlin API is used with graph data models in Azure Cosmos DB.

D. Incorrect.
Blob API is for object storage and is not a Cosmos DB API.

A. Incorrect.
SQL Managed Instance is a relational database service and does not use the Table Storage key-attribute model.

B. Incorrect.
CDN caches content closer to users and is not a NoSQL entity store.

C. Incorrect.
Virtual WAN is a networking service and does not store data entities.

D. Correct.
Azure Table Storage stores NoSQL key-attribute entities using partition keys and row keys.