Node.js Interview Questions | Eklavya Online

Node.js Interview Questions

Does Node.js supports cryptography?

Yes, Node.js Crypto module supports cryptography. It provides cryptographic functionality that includes a set of wrappers for open SSL’s hash HMAC, cipher, decipher, sign and verify functions.

Explain Node.js web application architecture?

A web application distinguishes into 4 layers: Client Layer: The Client layer contains web browsers, mobile browsers or applications which can make an HTTP request to the web server. Server Layer: The Server layer contains the Web server which can intercept the request made by clients and pass them the response. Business Layer: The business …

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What is npm? What is the main functionality of npm?

npm stands for Node Package Manager. Following are the two main functionalities of npm: Online repositories for node.js packages/modules which are searchable on search.nodejs.org Command line utility to install packages, do version management and dependency management of Node.js packages.