Amberscript Full Stack Web Developer interview questions

Tasks: Write a react app from scratch with some methods like a todo app and the algorithm task was based calculating longest gap within given timeframes. Questions: What are the benefits and give some example of microservice architecture? Why would someone choose React over other Frontend frameworks? What does it mean that NodeJs is single threaded > how can we compensate for this? Explain what ExpressJs is used for? What is docker used for? Lots of open-ended questions... What would you say are your biggest weaknesses are?