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?

Question

Options

• AUse App Engine and configure Cloud Scheduler to trigger the application using Pub/Sub.
• BUse Cloud Functions and configure the bucket as a trigger resource.
• CUse Google Kubernetes Engine and configure a CronJob to trigger the application using
• DUse Dataflow as a batch job, and configure the bucket as a data source.

• B
  92% (35)
• C
  3% (1)
• D
  5% (2)

Explanation

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. 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 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

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