How can you combine pull and push subscription features to build a hybrid message processing system?

hard📝 Application Q9 of 15

GCP - Cloud Pub/Sub

AUse a pull subscription and implement a custom push mechanism in the subscriber.

BCreate two subscriptions: one pull and one push, both attached to the same topic.

CCreate a push subscription with a pull client that acknowledges messages manually.

DConfigure a push subscription to automatically switch to pull mode on failure.

Step-by-Step Solution

Solution:

Step 1: Understand hybrid system needs
Hybrid means using both pull and push features simultaneously.
Step 2: Evaluate options
Creating two subscriptions (pull and push) on the same topic allows hybrid processing; others are incorrect or unsupported.
Final Answer:
Create two subscriptions: one pull and one push, both attached to the same topic. -> Option B
Quick Check:
Hybrid = Separate pull and push subscriptions [OK]

Quick Trick: Hybrid needs separate pull and push subscriptions [OK]

Common Mistakes:

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