Node.js Preparation Pack

Learn single-threaded event loop phases, pending I/O callbacks, setImmediate execution, Express middlewares, and clustering.

Question Cards (10)

Card #1medium

How would you handle global error boundaries in Express or Node.js backend apps?

ExpressError Handling
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Card #2easy

What is Node.js and why is it used?

Node.jsBackend Development
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Card #3easy

What is the difference between Node.js and JavaScript?

Node.jsConcurrency
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Card #4easy

What is npm in Node.js?

Node.jsnpm
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Card #5medium

What is the Event Loop in Node.js?

Node.jsEvent Loop
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Card #6medium

What is the difference between synchronous and asynchronous programming in Node.js?

Node.jsAsync
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Card #7medium

What is Express.js and why is it commonly used with Node.js?

Node.jsExpress.js
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Card #8hard

How would you optimize the performance of a Node.js application?

Node.jsPerformance
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Card #9hard

What are Streams in Node.js and when should they be used?

Node.jsStreams
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Card #10hard

How does Node.js handle high concurrency despite being single-threaded?

Node.jsConcurrency
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Frequently Asked Questions

What is the Event Loop in Node.js?

The Event Loop allows Node.js to run non-blocking, asynchronous I/O tasks on a single thread.

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