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Exam Professional Cloud Developer topic 1 question 318 discussion

Actual exam question from Google's Professional Cloud Developer
Question #: 318
Topic #: 1
[All Professional Cloud Developer Questions]

You are a developer that works for a local concert venue. Customers use your company’s website to purchase tickets for events. You need to provide customers with immediate confirmation when a selected seat has been reserved. How should you design the ticket ordering process?

  • A. Add the seat reservation to a Cloud Tasks queue, which triggers Workflows to process the seat reservation.
  • B. Publish the seat reservation to a Pub/Sub topic. Configure the backend service to use Eventarc to process the seat reservation on GKE.
  • C. Upload the seat reservation to a Cloud Storage bucket, which triggers an event to a Cloud Run service that processes the orders.
  • D. Submit the seat reservation in an HTTP POST request to an Application Load Balancer. Configure the Application Load Balancer to distribute the request to a Compute Engine managed instance group that processes the reservation.
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Suggested Answer: D 🗳️
by anshad666 at Oct. 12, 2024, 9:30 a.m.

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anshad666
1 month, 1 week ago
Selected Answer: B
Asynchronous Processing: By using Pub/Sub, you can publish the seat reservation message immediately, allowing for quick acknowledgment to the customer without waiting for the backend processing to complete. This ensures that users receive confirmation right away, improving the user experience. Eventarc Integration: Eventarc can be configured to route events from Pub/Sub to your backend service running on GKE. This allows for flexibility and scalability, as your service can automatically handle incoming requests based on events published to the topic.
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