You manage an application that runs in Google Kubernetes Engine (GKE) and uses the blue/green deployment methodology Extracts of the Kubernetes manifests are shown below

The Deployment app-green was updated to use the new version of the application During post-deployment monitoring you notice that the majority of user requests are failing You did not observe this behavior in the testing environment You need to mitigate the incident impact on users and enable the developers to troubleshoot the issue What should you do?

• A.Update the Deployment app-blue to use the new version of the application
• B.Update the Deployment ape-green to use the previous version of the application
• C.Change the selector on the Service app-2vc to app: my-app.
• D.Change the selector on the Service app-svc to app: my-app, version: blue

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You use Cloud Build to build and deploy your application. You want to securely incorporate database credentials and other application secrets into the build pipeline. You also want to minimize the development effort. What should you do?

• A.Create a Cloud Storage bucket and use the built-in encryption at rest. Store the secrets in the bucket and grant Cloud Build access to the bucket.
• B.Encrypt the secrets and store them in the application repository. Store a decryption key in a separate repository and grant Cloud Build access to the repository.
• C.Use client-side encryption to encrypt the secrets and store them in a Cloud Storage bucket. Store a decryption key in the bucket and grant Cloud Build access to the bucket.
• D.Use Cloud Key Management Service (Cloud KMS) to encrypt the secrets and include them in your Cloud Build deployment configuration. Grant Cloud Build access to the KeyRing.

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Your company follows Site Reliability Engineering practices. You are the Incident Commander for a new. customer-impacting incident. You need to immediately assign two incident management roles to assist you in an effective incident response. What roles should you assign?
Choose 2 answers

• A.Operations Lead
• B.Engineering Lead
• C.Customer Impact Assessor
• D.Communications Lead
• E.External Customer Communications Lead

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You support a production service that runs on a single Compute Engine instance. You regularly need to spend time on recreating the service by deleting the crashing instance and creating a new instance based on the relevant image. You want to reduce the time spent performing manual operations while following Site Reliability Engineering principles. What should you do?

• A.Create a Managed Instance Group with a single instance and use health checks to determine the system status.
• B.Create a Stackdriver Monitoring dashboard with SMS alerts to be able to start recreating the crashed instance promptly after it has crashed.
• C.File a bug with the development team so they can find the root cause of the crashing instance.
• D.Add a Load Balancer in front of the Compute Engine instance and use health checks to determine the system status.

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You recently noticed that one Of your services has exceeded the error budget for the current rolling window period. Your company's product team is about to launch a new feature. You want to follow Site Reliability Engineering (SRE) practices.
What should you do?

• A.Notify the team that their error budget is used up. Negotiate with the team for a launch freeze or tolerate a slightly worse user experience.
• B.Look through other metrics related to the product and find SLOs with remaining error budget.
  Reallocate the error budgets and allow the feature launch.
• C.Escalate the situation and request additional error budget.
• D.Notify the team about the lack of error budget and ensure that all their tests are successful so the launch will not further risk the error budget.

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