Last time we research which storage technology we can use it it took us more than 1 week, researching and gathering all the factors (prices, bottle necks, open source or not, managed or not, libraries, pros and cons ...) so to answer in 10s at an interview is ... superficial. But then the interviewer knows this so ... there is no right answer, right? but there are wrong answers :)
For me, I approach these answers by identifying and focusing on what technical needs the system requires, rather that the technology (at first). You don't want to get stuck trying to defend your choice for Microservice A data storage when you haven't begun to talk about the goals and responsibilities of Microservice D.
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Last time we research which storage technology we can use it it took us more than 1 week, researching and gathering all the factors (prices, bottle necks, open source or not, managed or not, libraries, pros and cons ...) so to answer in 10s at an interview is ... superficial. But then the interviewer knows this so ... there is no right answer, right? but there are wrong answers :)
For me, I approach these answers by identifying and focusing on what technical needs the system requires, rather that the technology (at first). You don't want to get stuck trying to defend your choice for Microservice A data storage when you haven't begun to talk about the goals and responsibilities of Microservice D.