Advanced authentication strategies in Node.js
Instruction: Describe advanced authentication strategies in Node.js, including JWT, OAuth, and multi-factor authentication.
Context: This question looks for comprehensive knowledge of implementing various authentication mechanisms in Node.js, covering token-based systems, third-party OAuth services, and securing endpoints.
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At the very outset, it's essential to clarify that when we talk about advanced authentication strategies in Node.js, we're referring to mechanisms designed...