Explanation:
The question asks for a solution with minimal implementation effort. Option A directly configures Cloud Storage to trigger Pub/Sub notifications when objects are modified, which is a built-in feature requiring only configuration. This approach leverages Google Cloud's native integrations, offering the simplest and most efficient solution without the need for custom code or additional services.
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What is the most efficient implementation approach for publishing a message to a Cloud Pub/Sub topic whenever a report is uploaded to a Cloud Storage bucket, requiring minimal development effort?
A
Configure the Cloud Storage bucket to trigger Cloud Pub/Sub notifications when objects are modified.
B
Create an App Engine application to receive the file; when it is received, publish a message to the Cloud Pub/Sub topic.
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.
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.