PCD Question 74

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose A1

  The best answer is A. Configure the Cloud Storage bucket to trigger Cloud Pub/Sub notifications when objects are modified. Here's why: Simplicity and Ease of Implementation: This approach is the most straightforward and requires minimal effort. Cloud Storage offers built-in integration with Cloud Pub/Sub, allowing you to configure notifications directly within the bucket settings. No Additional Code: You don't need to write any custom code or deploy additional applications. Cloud Storage handles the notification process automatically. Scalability and Reliability: Cloud Pub/Sub is a highly scalable and reliable messaging service, ensuring that your notifications are delivered efficiently and reliably.

• 1

  Let's look at why the other options are less ideal: B. Create an App Engine application to receive the file; when it is received, publish a message to the Cloud Pub/Sub topic. This approach requires you to create and deploy an App Engine application, which adds complexity and overhead. C. Create a Cloud Function that is triggered by the Cloud Storage bucket. In the Cloud Function, publish a message to the Cloud Pub/Sub topic. While Cloud Functions are a good option for event-driven tasks, this approach still requires you to write and deploy code, making it more complex than using built-in Cloud Storage notifications. D. Create an application deployed in a Google Kubernetes Engine cluster to receive the file; when it is received, publish a message to the Cloud Pub/Sub topic. This is the most complex and resource-intensive approach. It requires you to create and manage a Kubernetes cluster, deploy an application, and handle the notification process within your application code.

• Chose A1

  A. Configure the Cloud Storage bucket to trigger Cloud Pub/Sub notifications when objects are modified. This solution is straightforward and requires minimal effort to implement. Google Cloud Storage offers native support for publishing messages to Cloud Pub/Sub topics in response to changes in your bucket, like uploading a new file. By configuring Cloud Storage to automatically send a message to a Pub/Sub topic when a new report is uploaded, you can easily set up a real-time notification system without the need to write and maintain additional code.