Dress4win has end to end tests covering 100% of their endpoints.
They want to ensure that the move of cloud does not introduce any new bugs.
Which additional testing methods should the developers employ to prevent an outage?

• A.They should enable google stack driver debugger on the application code to show errors in the code
• B.They should run the end to end tests in the cloud staging environment to determine if the code is working as intended.
• C.They should add additional unit tests and production scale load tests on their cloud staging environment.
• D.They should add canary tests so developers can measure how much of an impact the new release causes to latency

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Your company is migrating its on-premises data center into the cloud. As part of the migration, you want to integrate Google Kubernetes Engine (GKE) for workload orchestration. Parts of your architecture must also be PCI DSS-compliant. Which of the following is most accurate?

• A.App Engine is the only compute platform on GCP that is certified for PCI DSS hosting.
• B.All Google Cloud services are usable because Google Cloud Platform is certified PCI-compliant.
• C.GKE cannot be used under PCI DSS because it is considered shared hosting.
• D.GKE and GCP provide the tools you need to build a PCI DSS-compliant environment.

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You are using Cloud CDN to deliver static HTTP(S) website content hosted on a Compute Engine instance group. You want to improve the cache hit ratio.
What should you do?

• A.Customize the cache keys to omit the protocol from the key.
• B.Shorten the expiration time of the cached objects.
• C.Make sure the HTTP(S) header "Cache-Region" points to the closest region of your users.
• D.Replicate the static content in a Cloud Storage bucket. Point CloudCDN toward a load balancer on that

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For this question, refer to the Dress4Win case study.
At Dress4Win, an operations engineer wants to create a tow-cost solution to remotely archive copies of database backup files. The database files are compressed tar files stored in their current data center. How should he proceed?

• A.Create a cron script using gsutil to copy the files to a Coldline Storage bucket.
• B.Create a cron script using gsutil to copy the files to a Regional Storage bucket.
• C.Create a Cloud Storage Transfer Service Job to copy the files to a Coldline Storage bucket.
• D.Create a Cloud Storage Transfer Service job to copy the files to a Regional Storage bucket.

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You want your Google Kubernetes Engine cluster to automatically add or remove nodes based on CPUload.
What should you do?

• A.Configure a HorizontalPodAutoscaler with a target CPU usage. Enable autoscaling on the managed instance group for the cluster using the gcloud command.
• B.Create a deployment and set the maxUnavailable and maxSurge properties. Enable the Cluster Autoscaler using the gcloud command.
• C.Configure a HorizontalPodAutoscaler with a target CPU usage. Enable the Cluster Autoscaler from the GCP Console.
• D.Create a deployment and set the maxUnavailable and maxSurge properties. Enable autoscaling on the cluster managed instance group from the GCP Console.

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