A photo-sharing website running on AWS allows users to generate thumbnail images of photos stored in Amazon S3. An Amazon DynamoDB table maintains the locations of photos, and thumbnails are easily re- created from the originals if they are accidentally deleted.
How should the thumbnail images be stored to ensure the LOWEST cost?

• A.Amazon S3 with cross-region replication
• B.Amazon Glacier
• C.Amazon S3
• D.Amazon S3 Standard-Infrequent Access (S3 Standard-IA) with cross-region replication

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The core business of your company is to rent out construction equipment at a large scale. All the equipment that is being rented out has been equipped with multiple sensors that send event information every few seconds. These signals can vary from engine status, distance traveled, fuel level, and more. Customers are billed based on the consumption monitored by these sensors. You expect high throughput - up to thousands of events per hour per device - and need to retrieve consistent data based on the time of the event. Storing and retrieving individual signals should be atomic. What should you do?

• A.Create a file in Cloud Storage per device and append new data to that file.
• B.Create a file in Cloud Filestore per device and append new data to that file.
• C.Ingest the data into Datastore. Store data in an entity group based on the device.
• D.Ingest the data into Cloud Bigtable. Create a row key based on the event timestamp.

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You want to deploy an application on Cloud Run that processes messages from a Cloud Pub/Sub topic. You want to follow Google-recommended practices. What should you do?

• A.1. Create a Cloud Function that uses a Cloud Pub/Sub trigger on that topic.2. Call your application on Cloud Run from the Cloud Function for every message.
• B.1. Grant the Pub/Sub Subscriber role to the service account used by Cloud Run.2. Create a Cloud Pub/Sub subscription for that topic.3. Make your application pull messages from that subscription.
• C.1. Create a service account.2. Give the Cloud Run Invoker role to that service account for your Cloud Run application.3. Create a Cloud Pub/Sub subscription that uses that service account and uses your Cloud Run application as the push endpoint.
• D.1. Deploy your application on Cloud Run on GKE with the connectivity set to Internal.2. Create a Cloud Pub/Sub subscription for that topic.3. In the same Google Kubernetes Engine cluster as your application, deploy a container that takes the messages and sends them to your application.

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Your auditor wants to view your organization's use of data in Google Cloud. The auditor is most interested in auditing who accessed data in Cloud Storage buckets. You need to help the auditor access the data they need.
What should you do?

• A.Assign the appropriate permissions, and then use Cloud Monitoring to review metrics
• B.Use the export logs API to provide the Admin Activity Audit Logs in the format they want
• C.Turn on Data Access Logs for the buckets they want to audit, and Then build a query in the log viewer that filters on Cloud Storage
• D.Assign the appropriate permissions, and then create a Data Studio report on Admin Activity Audit Logs

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You are monitoring an application and receive user feedback that a specific error is spiking. You notice that the error is caused by a Service Account having insufficient permissions. You are able to solve the problem but want to be notified if the problem recurs. What should you do?

• A.In the Log Viewer, filter the logs on severity `Error' and the name of the Service Account.
• B.Create a sink to BigQuery to export all the logs.
  Create a Data Studio dashboard on the exported logs.
• C.Create a custom log-based metrics for the specific error to be used in an Alerting Policy.
• D.Grant Project Owner access to the Service Account.

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