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was recently I attended a MNC Monster interview and here are the questions from it there were around 20 plus questions so let's go through them one by one the first question was how does node.js work the second question was he wanted me to
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explain uh the difference between front end and backend development so we just wanted to check whether I have the basic knowledge of the different difference between front and back end how these two ends are different and how both of them works write the third question is what
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are streams in node.js fourth question was what is our EPL or Rebel in node.js next question was what is an event Loop in node.js in this question the fifth one this is the most asked node Trace intrication because event Loop is a very important Concept
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in node.js right so prepare it well the sixth question is what is piping in node.js the exploration was explained different types of HTTP requests like get is there post is there put is there right so all of those things next question is what is the purpose of environment variables right why do we
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even need environment variables in a node.js application so that was the intention of the uh interviewer now let's discuss the express race questions so the first Express this question was how to create a simple express.js application so how do you you know run
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the commands and what commands you run to set up the express.js application and all that all the dependencies you install and everything now the next question was explain some features of expressjs this is the uh you can expect in your interview as well in in the same question or in some different way but
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you should know the features of expressjs 11th question was Explain express this route Handler function and its arguments so by arguments as you know like there is a response is there request is there next is there error is there right so those arguments in every
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route of the uh Express is apis right the 12th question is what is chorus or cross origin resource sharing and how you can enable it in expresses so there is a package that you can use and you can read about it and if you want me to
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make a video on uh the answers of all of these questions then please comment below 13 question is what is Scaffolding in Express JS next question was how you used have you used any template engines right so if you have used any then you
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can uh uh answer this question well and the next question is uh about the mongodb so in mongodb the first question was what are the features of mongodb so this is a very general question for any technology the feature of mongodb if you
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you are going for a reactant within feature of react feature of node.js right those kind of things so you should know what are the features of mongodb now what is uh storage encryption next question was what are limit and Skip methods so these two are basically used for when you want to you know add the
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page generation to your apis mostly they are used for them next question is explain sharding and aggregation in mongodb 19th is what is mongodb production sorry projection and the 20th question was what are the data types of mongodb so you should know all
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the types of mongodb and you can explain them well and the last part of the interview was the if you exercise questions and here is uh the first JS question how react.js Works uh explain uh the hooks and
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lifecycle method differences uh and uh like what are the different Hooks and our conversation uh went for like two three minutes uh for this question hooks versus lifecycle methods and when I mentioned like uh hooks about huge effect and user if then the next
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question was explain use effect and user F because at times the interviewer pick the topics from what you are saying right so this was that kind of experience the next thing is context API versus Redux this is a very uh common question in any interview if you're
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going for a react interview then you should know uh the differences between context API and Redux the next question is how to pass data from child to the parent and this is also one of the most asked integration in any reactant review so you should know how you can pass
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because as you know react is unidirectional you can pass data from parent to child only theoretically but there are some workarounds with them you can pass the data from child to parent as well so you should know how you can do that and the last question was functional versus class components
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okay