Google Cloud Certified - Professional Cloud DevOps Engineer : Professional-Cloud-DevOps-Engineer

Your company is developing applications that are deployed on Google Kubernetes Engine (GKE). Each team manages a different application. You need to create the development and production environments for each team, while minimizing costs. Different teams should not be able to access other teams' environments. What should you do?

• A. Create a Development and a Production GKE cluster in separate projects. In each cluster, create a Kubernetes namespace per team, and then configure Kubernetes Role-based access control (RBAC) so that each team can only access its own namespace.
• B. Create a Development and a Production GKE cluster in separate projects. In each cluster, create a Kubernetes namespace per team, and then configure Identity Aware Proxy so that each team can only access its own namespace.
• C. Create one GCP Project per team. In each project, create a cluster for Development and one for Production. Grant the teams IAM access to their respective clusters.
• D. Create one GCP Project per team. In each project, create a cluster with a Kubernetes namespace for Development and one for Production. Grant the teams IAM access to their respective clusters.

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 port 25 has been opened in the firewall to allow messages through to Stackdriver.
• B. Confirm that the Stackdriver agent has been installed in the hosting virtual machine.
• C. Confirm that the application is using the required client library and the service account key has proper permissions.
• D. Confirm that your account has the proper permissions to use the Stackdriver dashboard.

Your CTO has asked you to implement a postmortem policy on every incident for internal use. You want to define what a good postmortem is to ensure that the policy is successful at your company. What should you do?
Choose 2 answers

• A. Ensure that all postmortems include what caused the incident, identify the person or team responsible for causing the incident. and how to prevent a future occurrence of the incident.
• B. Ensure that all postmortems include what caused the incident, how the incident could have been worse, and how to prevent a future occurrence of the incident.
• C. Ensure that all postmortems include the severity of the incident, how to prevent a future occurrence of the incident. and what caused the incident without naming internal system components.
• D. Ensure that all postmortems include all incident participants in postmortem authoring and share postmortems as widely as possible,
• E. Ensure that all postmortems include how the incident was resolved and what caused the incident without naming customer information.

You need to run a business-critical workload on a fixed set of Compute Engine instances for several months.
The workload is stable with the exact amount of resources allocated to it. You want to lower the costs for this workload without any performance implications. What should you do?

• A. Purchase Committed Use Discounts.
• B. Convert the instances to preemptible virtual machines.
• C. Create an Unmanaged Instance Group for the instances used to run the workload.
• D. Migrate the instances to a Managed Instance Group.

You need to introduce postmortems into your organization during the holiday shopping season. You are expecting your web application to receive a large volume of traffic in a short period. You need to prepare your application for potential failures during the event What should you do?
Choose 2 answers

• A. Review your increased capacity requirements and plan for the required quota management.
• B. Ensure that relevant system metrics are being captured with Cloud Monitoring and create alerts at levels of interest.
• C. Configure Anthos Service Mesh on the application to identify issues on the topology map.
• D. Monitor latency of your services for average percentile latency.
• E. Create alerts in Cloud Monitoring for all common failures that your application experiences.