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Question 264 - Professional Cloud Developer discussion

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You manage a microservice-based ecommerce platform on Google Cloud that sends confirmation emails to a third-party email service provider using a Cloud Function. Your company just launched a marketing campaign, and some customers are reporting that they have not received order confirmation emails. You discover that the services triggering the Cloud Function are receiving HTTP 500 errors. You need to change the way emails are handled to minimize email loss. What should you do?

A.
Increase the Cloud Function's timeout to nine minutes.
Answers
A.
Increase the Cloud Function's timeout to nine minutes.
B.
Configure the sender application to publish the outgoing emails in a message to a Pub/Sub topic. Update the Cloud Function configuration to consume the Pub/Sub queue.
Answers
B.
Configure the sender application to publish the outgoing emails in a message to a Pub/Sub topic. Update the Cloud Function configuration to consume the Pub/Sub queue.
C.
Configure the sender application to write emails to Memorystore and then trigger the Cloud Function. When the function is triggered, it reads the email details from Memorystore and sends them to the email service.
Answers
C.
Configure the sender application to write emails to Memorystore and then trigger the Cloud Function. When the function is triggered, it reads the email details from Memorystore and sends them to the email service.
D.
Configure the sender application to retry the execution of the Cloud Function every one second if a request fails.
Answers
D.
Configure the sender application to retry the execution of the Cloud Function every one second if a request fails.
Suggested answer: B

Explanation:

This is a robust and scalable approach. By decoupling the email sending process using Pub/Sub, you introduce a queueing mechanism. This ensures that even if the Cloud Function encounters an issue, the email messages are not lost but remain in the queue. Additionally, Pub/Sub can handle high throughput and provides retry mechanisms.

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asked 18/09/2024
Oleksii Ivanov
45 questions
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