You support an e-commerce application that runs on a large Google Kubernetes Engine (GKE) cluster deployed on-premises and on Google Cloud Platform. The application consists of microservices that run in containers. You want to identify containers that are using the most CPU and memory. What should you do?

• A.Use Stackdriver Kubernetes Engine Monitoring.
• B.Use Prometheus to collect and aggregate logs per container, and then analyze the results in Grafana.
• C.Use the Stackdriver Monitoring API to create custom metrics, and then organize your containers using groups.
• D.Use Stackdriver Logging to export application logs to BigOuery. aggregate logs per container, and then analyze CPU and memory consumption.

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You use Terraform to manage an application deployed to a Google Cloud environment The application runs on instances deployed by a managed instance group The Terraform code is deployed by using a CI/CD pipeline When you change the machine type on the instance template used by the managed instance group, the pipeline fails at the terraform apply stage with the following error message

You need to update the instance template and minimize disruption to the application and the number of pipeline runs What should you do?

• A.Delete the managed instance group and recreate it after updating the instance template
• B.Add a new instance template update the managed instance group to use the new instance template and delete the old instance template
• C.Remove the managed instance group from the Terraform state file update the instance template and reimport the managed instance group.
• D.Set the create_bef ore_destroy meta-argument to true in the lifecycle block on the instance template

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You are building and running client applications in Cloud Run and Cloud Functions Your client requires that all logs must be available for one year so that the client can import the logs into their logging service You must minimize required code changes What should you do?

• A.Update all images in Cloud Run and all functions in Cloud Functions to send logs to both Cloud Logging and the client's logging service Ensure that all the ports required to send logs are open in the VPC firewall
• B.Create a Pub/Sub topic subscription and logging sink Configure the logging sink to send all logs into the topic Give your client access to the topic to retrieve the logs
• C.Create a storage bucket and appropriate VPC firewall rules Update all images in Cloud Run and all functions in Cloud Functions to send logs to a file within the storage bucket
• D.Create a logs bucket and logging sink. Set the retention on the logs bucket to 365 days Configure the logging sink to send logs to the bucket Give your client access to the bucket to retrieve the logs

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You support a user-facing web application When analyzing the application's error budget over the previous six months you notice that the application never consumed more than 5% of its error budget You hold a SLO review with business stakeholders and confirm that the SLO is set appropriately You want your application's reliability to more closely reflect its SLO What steps can you take to further that goal while balancing velocity, reliability, and business needs?
Choose 2 answers

• A.Add more serving capacity to all of your application's zones
• B.Implement and measure all other available SLIs for the application
• C.Announce planned downtime to consume more error budget and ensure that users are not depending on a tighter SLO
• D.Have more frequent or potentially risky application releases
• E.Tighten the SLO to match the application's observed reliability

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You are on-call for an infrastructure service that has a large number of dependent systems. You receive an alert indicating that the service is failing to serve most of its requests and all of its dependent systems with hundreds of thousands of users are affected. As part of your Site Reliability Engineering (SRE) incident management protocol, you declare yourself Incident Commander (IC) and pull in two experienced people from your team as Operations Lead (OLJ and Communications Lead (CL). What should you do next?

• A.Look for ways to mitigate user impact and deploy the mitigations to production.
• B.Contact the affected service owners and update them on the status of the incident.
• C.Establish a communication channel where incident responders and leads can communicate with each other.
• D.Start a postmortem, add incident information, circulate the draft internally, and ask internal stakeholders for input.

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