Questions posées lors d’un entretien d’embauche pour Software Engineer - Java Developer chez AEYE Health

There were 4 interviews. First interview was about who are you. Second interview was professional that included Java and SQL questions. Third interview was with the CEO that included conversation in English, talking about the technological challengaes that you have encountered. The forth interview included the below question(it was the first question) The second question was how to build an architecture of the system(that was offered to build by the interviewer).