You are a Cloud Architect designing a real-time streaming analytics system using Pub/Sub, Dataflow, and Bigtable. The system must be resilient to zone failures. How should you architect this solution?
Choose an answer
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Correct answer: Use regional endpoints for Pub/Sub, and regional Dataflow jobs writing to multi-cluster Bigtable instance.
Why this is the answer
*Explanation:* To ensure resilience to zone failures in a real-time streaming analytics system, you should choose **option A**. This architecture involves using regional endpoints for Pub/Sub, regional Dataflow jobs, and a multi-cluster Bigtable instance. Regional endpoints and multi-cluster Bigtable provide redundancy across zones, and regional Dataflow jobs ensure that data processing can continue even if one zone fails. This setup enhances the overall availability and fault tolerance of the system.
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