What is MongoDB?
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Is a promise a callback?
Explain event loop in node js?
What is promisify?
How we can read a file in node js?
How to use async await with promises in node js?
How will you write a file using node?
Explain repl in the context of node.js.
What is the preferred method of resolving unhandled exceptions in node.js?
what is libuv in node js?
Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.
What is NPM in Node.js?
What is piping in node js?