Final answer:
The correct workflow to meet the requirements is option D: File Drop Automation: File Transfer Activity > Import File Activity > Filter Activity > SQL Query Activity 1.
Step-by-step explanation:
The correct workflow to meet the requirements is option D: File Drop Automation: File Transfer Activity > Import File Activity > Filter Activity > SQL Query Activity 1.
This workflow ensures that a single daily file on the Marketing Cloud SFTP is imported into a staging data extension.
It also separates the file into two different data extensions using a Filter Activity before running SQL Query Activity 1.
By setting up the workflow as a File Drop Automation, the system will generate an alert if the file is not present on time, ensuring that the customer is aware of any delays in the upload.