Scenario: Mys-Tech is a British multinational chemical corporation with global operations and numerous facilities worldwide. Headquartered in London, UK, the company employs thousands of people across various sectors. As a developer at Mys-Tech, you have been assigned the task of ingesting data into Azure Databricks. The data comes from multiple sources, and after ingestion, you need to run ETL processes to move the data into a data lake. Question: Which of the following data sources can be mounted under Databricks File System (DBFS)? (Select four.)