Case study-based questions

Let's start with a data lake case study question.

Case study – data lake

In a case study question, a use case will be described in detail with multiple inputs such as business requirements and technical requirements. You will have to carefully read the question and understand the requirements before answering the question.

Note

In the actual exam, the title of the question will NOT have a category such as Data Lake. I've just added it here so that it is easy for you to locate the questions directly from the table of contents. This is true for all the question headings in this chapter.

Background

Let's assume you are a data architect in a retail company that has both online and bricks and mortar outlets all over the world. You have been asked to design their data processing solution. The leadership team wants to see a unified dashboard of daily, monthly, and yearly revenue reports in a graphical format, from across all...