You configured your Compute Engine instance group to scale automatically according to overall CPU usage.
However, your application's response latency increases sharply before the cluster has finished adding up instances. You want to provide a more consistent latency experience for your end users by changing the configuration of the instance group autoscaler.
Which two configuration changes should you make? (Choose two.)

• A.Remove the health-check for individual VMs in the instance group.
• B.Decrease the target CPU usage for the instance group autoscaler.
• C.Decrease the cool-down period for instances added to the group.
• D.Add the label "AUTOSCALE" to the instance group template.
• E.Increase the target CPU usage for the instance group autoscaler.

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You recently migrated an on-premises monolithic application to a microservices application on Google Kubernetes Engine (GKE). The application has dependencies on backend services on-premises, including a CRM system and a MySQL database that contains personally identifiable information (PII). The backend services must remain on-premises to meet regulatory requirements.
You established a Cloud VPN connection between your on-premises data center and Google Cloud. You notice that some requests from your microservices application on GKE to the backend services are failing due to latency issues caused by fluctuating bandwidth, which is causing the application to crash. How should you address the latency issues?

• A.Use Memorystore to cache frequently accessed PII data from the on-premises MySQL database
• B.Use Istio to create a service mesh that includes the microservices on GKE and the on-premises services
• C.Increase the number of Cloud VPN tunnels for the connection between Google Cloud and the on-premises services
• D.Decrease the network layer packet size by decreasing the Maximum Transmission Unit (MTU) value from its default value on Cloud VPN

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You are developing an application that reads credit card data from a Pub/Sub subscription. You have written code and completed unit testing. You need to test the Pub/Sub integration before deploying to Google Cloud.
What should you do?

• A.Create a service to publish messages, and deploy the Pub/Sub emulator. Generate random content in the publishing service, and publish to the emulator.
• B.Create a service to publish messages to your application. Collect the messages from Pub/Sub in production, and replay them through the publishing service.
• C.Create a service to publish messages, and deploy the Pub/Sub emulator. Publish a standard set of testing messages from the publishing service to the emulator.
• D.Create a service to publish messages, and deploy the Pub/Sub emulator. Collect the messages from Pub/Sub in production, and publish them to the emulator.

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You want to view the memory usage of your application deployed on Compute Engine.
What should you do?

• A.Install the Stackdriver Client Library.
• B.Install the Stackdriver Monitoring Agent.
• C.Use the Stackdriver Metrics Explorer.
• D.Use the Google Cloud Platform Console.

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You want to re-architect a monolithic application so that it follows a microservices model. You want to accomplish this efficiently while minimizing the impact of this change to the business.
Which approach should you take?

• A.Deploy the application to Compute Engine and turn on autoscaling.
• B.Replace the application's features with appropriate microservices in phases.
• C.Refactor the monolithic application with appropriate microservices in a single effort and deploy it.
• D.Build a new application with the appropriate microservices separate from the monolith and replace it when

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