ABC company has 1000s of IoT devices spread across the continent. The company collects real-time data from these sources and stores it using Azure DataLake storage Gen2(ADLS2). Which of the following tells about the tools used for ingesting this data to ADLS2?

Answer options:

A.Azure Stream Analytics
B.Azure HDInsight Storm
C.Azure Data Factory
D.None of the above

Correct Answers: A and B 
The first point to keep in mind is that the data is real-time and is coming from 100s of devices. So, it is a streaming data ingest solution we are looking for. Azure Stream Analytics and Azure HDInsight Storm can ingest streaming data seamlessly and they integrate with ADLS2 easily. So, this makes them the right choice. Options A and B are correct: Both of them can ingest streaming data.
Option C is incorrect: Azure data factory cannot be used for streaming data.
Option D is incorrect: A and B are answers.
Reference: 
To know more about Streaming Data ingestion, please refer to the doc below: 

https://docs.microsoft.com/en-us/azure/storage/blobs/data-lake-storage-data-scenarios#streamed-data