Question 1

Are Streams and Buffers asked in backend interviews?

Accepted Answer

Yes. Product companies frequently ask Streams and Buffers because they are important for performance optimization, file processing, and memory efficiency.

Question 2

What are the most common Node.js interview questions?

Accepted Answer

Common topics include the Event Loop, async programming, Promises, Streams, Buffers, APIs, authentication, databases, caching, scalability, and system design.

Question 3

Do companies ask Event Loop questions in Node.js interviews?

Accepted Answer

Yes. The Event Loop is one of the most frequently asked Node.js interview topics because it is fundamental to understanding how Node.js handles asynchronous operations.

Question 4

Do Node.js interviews include database questions?

Accepted Answer

Yes. SQL, NoSQL, indexing, joins, transactions, query optimization, and database design are commonly discussed.

Are Streams and Buffers asked in backend interviews?

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