Caching · question
Question 3 of 22
What are the different levels of caching in a typical web application?
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Re-explain
Browser Cache: Stores static resources (CSS, JS, images) on client-side
CDN Cache: Geographically distributed cache for static content
Reverse Proxy Cache: Server-side cache (e.g., Nginx, Varnish)
Application Cache: In-memory cache within the application
Database Cache: Query result caching at database level
Example flow: Request → Browser Cache → CDN → Reverse Proxy → Application Cache → Database Cache → Database
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