You support an application that uses the Cloud Storage API. You review the logs and discover multiple HTTP 503 Service Unavailable error responses from the API. Your application logs the error and does not take any further action. You want to implement Google-recommended retry logic to improve success rates. Which approach should you take?

• A.Retry the failures in batch after a set number of failures is logged.
• B.Retry each failure at a set time interval up to a maximum number of times.
• C.Retry each failure at increasing time intervals up to a maximum number of tries.
• D.Retry each failure at decreasing time intervals up to a maximum number of tries.

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You are deploying your application to a Compute Engine virtual machine instance with the Stackdriver Monitoring Agent installed. Your application is a unix process on the instance. You want to be alerted if the unix process has not run for at least 5 minutes. You are not able to change the application to generate metrics or logs.
Which alert condition should you configure?

• A.Uptime check
• B.Process health
• C.Metric absence
• D.Metric threshold

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Which of the following customer statements would alert you to a safety issue? (Choose two.)

• A.My iPhone flashed and sparked when I tried to charge it.
• B.My iPhone has fluctuating sound levels. Sometimes it is deafening.
• C.The corner of my iPad is badly bent.
• D.The screen is too bright. It hurts my eyes.
• E.The home button on my iPhone seems to have sunk.
• F.My new Apple Watch makes me itchy and my wrist is red and irritated.

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Your teammate has asked you to review the code below. Its purpose is to efficiently add a large number of small rows to a BigQuery table.

Which improvement should you suggest your teammate make?

• A.Write each row to a Cloud Storage object, then load into BigQuery.
• B.Include multiple rows with each request.
• C.Perform the inserts in parallel by creating multiple threads.
• D.Write each row to a Cloud Storage object in parallel, then load into BigQuery.

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Your application is running on Compute Engine and is showing sustained failures for a small number of requests. You have narrowed the cause down to a single Compute Engine instance, but the instance is unresponsive to SSH. What should you do next?

• A.Take a snapshot of the disk and attach it to a new machine.
• B.Delete the machine and create a new one.
• C.Enable and check the serial port output.
• D.Reboot the machine.

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