Topic 1 Question 153

Associate Cloud Engineer

Topic 1 Question 153
You have created a code snippet that should be triggered whenever a new file is uploaded to a Cloud Storage bucket. You want to deploy this code snippet. What should you do?
- Use App Engine and configure Cloud Scheduler to trigger the application using Pub/Sub.
- Use Cloud Functions and configure the bucket as a trigger resource.
- Use Google Kubernetes Engine and configure a CronJob to trigger the application using Pub/Sub.
- Use Dataflow as a batch job, and configure the bucket as a data source.
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- Correct Answer is (B):
  
  Google Cloud Storage Triggers Cloud Functions can respond to change notifications emerging from Google Cloud Storage. These notifications can be configured to trigger in response to various events inside a bucket—object creation, deletion, archiving and metadata updates.
  
  Note: Cloud Functions can only be triggered by Cloud Storage buckets in the same Google Cloud Platform project. Event types Cloud Storage events used by Cloud Functions are based on Cloud Pub/Sub Notifications for Google Cloud Storage and can be configured in a similar way.
  
  Supported trigger type values are:
  
  google.storage.object.finalize
  
  google.storage.object.delete
  
  google.storage.object.archive
  
  google.storage.object.metadataUpdate
  
  Object Finalize Trigger type value: google.storage.object.finalize
  
  This event is sent when a new object is created (or an existing object is overwritten, and a new generation of that object is created) in the bucket.
  
  https://cloud.google.com/functions/docs/calling/storage#event_types
  
  👍 36
  ESP_SAP2020/08/22
- The answer is B
  
  👍 19
  francisco_guerra2020/08/12
- 正解だと思う選択肢: B
  Vote For B
  
  👍 4
  alaahakim2021/11/20
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