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Node JS Interview Questions and Answers

Frequently asked Interview Question and Answer in Node JS suites for both Freshers and Experienced Candidates.

Interview Questions and Answers Set 1

1.What is Node.js? Node.js is a very powerful JavaScript based platform or framework which is built

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21.How To Update A Dependency Using Npm? Update package.json and change the version of the dependency

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41.Explain “Path” module in Node.JS? “Path” module will be used for transforming and handling file paths

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11. What Is Chaining Process In Node.Js?It’s an approach to connect the output of one stream to the input

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31.Explain “DNS module” in Node.JS? This module is used for DNS lookup and to use underlying OS name resolution

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51.What Is A Control Flow Function? What Are The Steps Does It Execute?It is a generic piece of code

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61.What is the role of assert in Node.js? The Node.js Assert is a way to write tests. It provides no feedback

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81.Explain Web Server? It is a software app which will handle the HTTP requests by client

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71. How Will You Truncate A File Using Node?Following is the syntax of the method to truncate an opened file:

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91. What are the features of Node.js? Node.js is a single-threaded but highly scalable system

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