NoSQL All

MongoDB

CouchDB

DynamoDB

Node.js All - Done

What is event loop?
Why node.js is used?
What is an error-first callback?
How can you avoid callback hells?
What are Promises?
What tools can be used to assure consistent style? Why is it important?
When should you npm and when yarn?
What's a stub? Name a use case!
What's a test pyramid? Give an example!
What's your favorite HTTP framework and why?
How can you secure your HTTP cookies against XSS attacks?
How can you make sure your dependencies are safe?
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NodeJS
What is NodeJS?
What are the benefits of NodeJS?
Is Node a single threaded application?
What is npm?
What is event loop?
What is piping in Node?
Can you use install multiple versions of NodeJS?
What is an error-first callback?
What is callback hell and how can you avoid it?
What are Promises?
What's your favorite HTTP framework and why?