[Solved] If a Cloud CDN cache miss occurs, what is the sequence of events for serving the user request? — Ans: User request -> CDN edge -> Backend origin -> CDN caches response -> User | GCP

GCP - Cloud Load Balancing

If a Cloud CDN cache miss occurs, what is the sequence of events for serving the user request?

AUser request -> Backend origin -> CDN edge -> User

BUser request -> CDN edge -> User without backend contact

CUser request -> CDN edge -> Backend origin -> CDN caches response -> User

DUser request -> Backend origin only, no CDN involvement

Step-by-Step Solution

Solution:

Step 1: Define cache miss behavior
On cache miss, CDN forwards request to backend origin to fetch fresh content.
Step 2: Describe response flow
Backend response is cached at CDN edge, then served to user for future requests.
Final Answer:
User request -> CDN edge -> Backend origin -> CDN caches response -> User -> Option C
Quick Check:
Cache miss flow = Backend fetch then cache [OK]

Quick Trick: Cache miss triggers backend fetch and caches response [OK]

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If a Cloud CDN cache miss occurs, what is the sequence of events for serving the user request?