GCP - Cloud Pub/Sub
Which of the following is a valid reason to use a dead letter topic in Pub/Sub?
Which of the following is a valid reason to use a dead letter topic in Pub/Sub?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify dead letter topic purpose
Dead letter topics are used to isolate messages that fail processing repeatedly.Step 2: Eliminate unrelated options
Dead letter topics do not store successful messages, increase size limits, or handle encryption.Final Answer:
To isolate messages that repeatedly fail processing. -> Option BQuick Check:
Dead letter topic purpose = isolate failed messages [OK]
Quick Trick: Dead letter topics handle failed messages, not successful ones [OK]
Common Mistakes:
- Confusing dead letter topics with audit logs
- Thinking dead letter topics affect message size
- Assuming dead letter topics manage encryption
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