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Google Professional-Cloud-DevOps-Engineer - Google Cloud Certified - Professional Cloud DevOps Engineer Exam

Your team uses Cloud Build for all CI/CO pipelines. You want to use the kubectl builder for Cloud Build to deploy new images to Google Kubernetes Engine (GKE). You need to authenticate to GKE while minimizing development effort. What should you do?

A.

Assign the Container Developer role to the Cloud Build service account.

B.

Specify the Container Developer role for Cloud Build in the cloudbuild.yaml file.

C.

Create a new service account with the Container Developer role and use it to run Cloud Build.

D.

Create a separate step in Cloud Build to retrieve service account credentials and pass these to kubectl.

You support a service that recently had an outage. The outage was caused by a new release that exhausted the service memory resources. You rolled back the release successfully to mitigate the impact on users. You are now in charge of the post-mortem for the outage. You want to follow Site Reliability Engineering practices when developing the post-mortem. What should you do?

A.

Focus on developing new features rather than avoiding the outages from recurring.

B.

Focus on identifying the contributing causes of the incident rather than the individual responsible for the cause.

C.

Plan individual meetings with all the engineers involved. Determine who approved and pushed the new release to production.

D.

Use the Git history to find the related code commit. Prevent the engineer who made that commit from working on production services.

You are performing a semi-annual capacity planning exercise for your flagship service You expect a service user growth rate of 10% month-over-month for the next six months Your service is fully containerized and runs on a Google Kubemetes Engine (GKE) standard cluster across three zones with cluster autoscaling enabled You currently consume about 30% of your total deployed CPU capacity and you require resilience against the failure of a zone. You want to ensure that your users experience minimal negative impact as a result of this growth o' as a result of zone failure while you avoid unnecessary costs How should you prepare to handle the predicted growth?

A.

Verify the maximum node pool size enable a Horizontal Pod Autoscaler and then perform a load lest to verify your expected resource needs

B.

Because you deployed the service on GKE and are using a cluster autoscaler your GKE cluster will scale automatically regardless of growth rate

C.

Because you are only using 30% of deployed CPU capacity there is significant headroom and you do not need to add any additional capacity for this rate of growth

D.

Proactively add 80% more node capacity to account for six months of 10% growth rate and then perform a load test to ensure that you have enough capacity

You have a set of applications running on a Google Kubernetes Engine (GKE) cluster, and you are using Stackdriver Kubernetes Engine Monitoring. You are bringing a new containerized application required by your company into production. This application is written by a third party and cannot be modified or reconfigured. The application writes its log information to /var/log/app_messages.log, and you want to send these log entries to Stackdriver Logging. What should you do?

A.

Use the default Stackdriver Kubernetes Engine Monitoring agent configuration.

B.

Deploy a Fluentd daemonset to GKE. Then create a customized input and output configuration to tail the log file in the application's pods and write to Slackdriver Logging.

C.

Install Kubernetes on Google Compute Engine (GCE> and redeploy your applications. Then customize the built-in Stackdriver Logging configuration to tail the log file in the application's pods and write to Stackdriver Logging.

D.

Write a script to tail the log file within the pod and write entries to standard output. Run the script as a sidecar container with the application's pod. Configure a shared volume between the containers to allow the script to have read access to /var/log in the application container.

You are using Stackdriver to monitor applications hosted on Google Cloud Platform (GCP). You recently deployed a new application, but its logs are not appearing on the Stackdriver dashboard.

You need to troubleshoot the issue. What should you do?

A.

Confirm that the Stackdriver agent has been installed in the hosting virtual machine.

B.

Confirm that your account has the proper permissions to use the Stackdriver dashboard.

C.

Confirm that port 25 has been opened in the firewall to allow messages through to Stackdriver.

D.

Confirm that the application is using the required client library and the service account key has proper permissions.

Your organization is starting to containerize with Google Cloud. You need a fully managed storage solution for container images and Helm charts. You need to identify a storage solution that has native integration into existing Google Cloud services, including Google Kubernetes Engine (GKE), Cloud Run, VPC Service Controls, and Identity and Access Management (IAM). What should you do?

A.

Use Docker to configure a Cloud Storage driver pointed at the bucket owned by your organization.

B.

Configure Container Registry as an OCI-based container registry for container images.

C.

Configure Artifact Registry as an OCI-based container registry for both Helm charts and container images.

D.

Configure an open source container registry server to run in GKE with a restrictive role-based access control (RBAC) configuration.

You are part of an organization that follows SRE practices and principles. You are taking over the management of a new service from the Development Team, and you conduct a Production Readiness Review (PRR). After the PRR analysis phase, you determine that the service cannot currently meet its Service Level Objectives (SLOs). You want to ensure that the service can meet its SLOs in production. What should you do next?

A.

Adjust the SLO targets to be achievable by the service so you can bring it into production.

B.

Notify the development team that they will have to provide production support for the service.

C.

Identify recommended reliability improvements to the service to be completed before handover.

D.

Bring the service into production with no SLOs and build them when you have collected operational data.