Answer
Node isolates requests via async boundaries and execution contexts. For stricter isolation, use worker threads, VM sandboxes, or containerization.
Quick Answer
Node.js isolates requests through closures and the call stack — each async operation has its own execution context via callbacks or async/await. Node.js 16+ added AsyncLocalStorage (async_hooks) for propagating request-scoped context (like a request ID or user info) through async operations without passing it as a parameter everywhere.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ