14 questions for “File System (fs) Module”

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Node.js File System (fs) Module 5 Node.js Core Node.js Modules 2 Node.js File Uploads & Media Processing 2 Node.js Path & OS Modules 2

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14 questions in 1 technology

#	Question	Technology	Topic	Level
1	What is the difference between fs.rename() and manually copying then deleting a file, particularly across different filesystems or drives? Node.js › File System (fs) Module	Node.js	File System (fs) Module	Intermediate
2	How do you safely watch a directory or file for changes using fs.watch(), and what are its known cross-platform limitations? Node.js › File System (fs) Module	Node.js	File System (fs) Module	Intermediate
3	What is the difference between the synchronous, callback-based, and promise-based variants of Node's fs module methods? Node.js › File System (fs) Module	Node.js	File System (fs) Module	Beginner
4	How would you read a large file efficiently using a stream rather than loading it entirely into memory with fs.readFile()? Node.js › File System (fs) Module	Node.js	File System (fs) Module	Intermediate
5	What are Node.js file descriptor limits, and how might a Node.js application unintentionally exhaust them? Node.js › File System (fs) Module	Node.js	File System (fs) Module	Advanced
6	What does the node:path module provide, and why should you always use it instead of manually concatenating file path strings? Node.js › Core Node.js Modules	Node.js	Core Node.js Modules	Intermediate
7	What is the node: prefix for core module imports, and why was it introduced? Node.js › Core Node.js Modules	Node.js	Core Node.js Modules	Beginner
8	What does path.parse() and path.format() do, and how are they useful for decomposing and reconstructing file paths? Node.js › Path & OS Modules	Node.js	Path & OS Modules	Beginner
9	What is the security risk of trusting a client-supplied filename for an uploaded file, and how do you mitigate it? Node.js › File Uploads & Media Processing	Node.js	File Uploads & Media Processing	Advanced
10	What is the difference between path.join() and path.resolve(), and when would you use each? Node.js › Path & OS Modules	Node.js	Path & OS Modules	Beginner

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