Online Questions - Valid Practice To your Professional-Cloud-DevOps-Engineer Exam (Updated 53 Questions)
Practice To Professional-Cloud-DevOps-Engineer - Remarkable Practice On your Google Cloud Certified - Professional Cloud DevOps Engineer Exam Exam
NEW QUESTION 16
Your company experiences bugs, outages, and slowness in its production systems. Developers use the production environment for new feature development and bug fixes. Configuration and experiments are done in the production environment, causing outages for users. Testers use the production environment for load testing, which often slows the production systems. You need to redesign the environment to reduce the number of bugs and outages in production and to enable testers to toad test new features. What should you do?
- A. Secure the production environment to ensure that developers can't change it and set up one controlled update per year.
- B. Create a development environment with smaller server capacity and give access only to developers and testers.
- C. Create an automated testing script in production to detect failures as soon as they occur.
- D. Create a development environment for writing code and a test environment for configurations, experiments, and load testing.
Answer: C
NEW QUESTION 17
You have a CI/CD pipeline that uses Cloud Build to build new Docker images and push them to Docker Hub. You use Git for code versioning. After making a change in the Cloud Build YAML configuration, you notice that no new artifacts are being built by the pipeline. You need to resolve the issue following Site Reliability Engineering practices. What should you do?
- A. Run a Git compare between the previous and current Cloud Build Configuration files to find and fix the bug.
- B. Disable the CI pipeline and revert to manually building and pushing the artifacts.
- C. Change the CI pipeline to push the artifacts to Container Registry instead of Docker Hub.
- D. Upload the configuration YAML file to Cloud Storage and use Error Reporting to identify and fix the issue.
Answer: B
NEW QUESTION 18
You use Spinnaker to deploy your application and have created a canary deployment stage in the pipeline. Your application has an in-memory cache that loads objects at start time. You want to automate the comparison of the canary version against the production version. How should you configure the canary analysis?
- A. Compare the canary with the average performance of a sliding window of previous production versions.
- B. Compare the canary with the existing deployment of the current production version.
- C. Compare the canary with a new deployment of the previous production version.
- D. Compare the canary with a new deployment of the current production version.
Answer: A
NEW QUESTION 19
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. Create an Unmanaged Instance Group for the instances used to run the workload.
- C. Convert the instances to preemptible virtual machines.
- D. Migrate the instances to a Managed Instance Group.
Answer: B
NEW QUESTION 20
You support the backend of a mobile phone game that runs on a Google Kubernetes Engine (GKE) cluster. The application is serving HTTP requests from users. You need to implement a solution that will reduce the network cost. What should you do?
- A. Configure a Google Cloud HTTP Load Balancer as Ingress.
- B. Configure the VPC as a Shared VPC Host project.
- C. Configure your network services on the Standard Tier.
- D. Configure your Kubernetes duster as a Private Cluster.
Answer: D
NEW QUESTION 21
Your organization recently adopted a container-based workflow for application development. Your team develops numerous applications that are deployed continuously through an automated build pipeline to a Kubernetes cluster in the production environment. The security auditor is concerned that developers or operators could circumvent automated testing and push code changes to production without approval. What should you do to enforce approvals?
- A. Configure the build system with protected branches that require pull request approval.
- B. Enable binary authorization inside the Kubernetes cluster and configure the build pipeline as an attestor.
- C. Use an Admission Controller to verify that incoming requests originate from approved sources.
- D. Leverage Kubernetes Role-Based Access Control (RBAC) to restrict access to only approved users.
Answer: A
NEW QUESTION 22
You support a high-traffic web application that runs on Google Cloud Platform (GCP). You need to measure application reliability from a user perspective without making any engineering changes to it. What should you do?
Choose 2 answers
- A. Analyze the web proxy logs only and capture response time of each request.
- B. Use current and historic Request Logs to trace customer interaction with the application.
- C. Modify the code to capture additional information for user interaction.
- D. Review current application metrics and add new ones as needed.
- E. Create new synthetic clients to simulate a user journey using the application.
Answer: A,C
NEW QUESTION 23
You created a Stackdriver chart for CPU utilization in a dashboard within your workspace project. You want to share the chart with your Site Reliability Engineering (SRE) team only. You want to ensure you follow the principle of least privilege. What should you do?
- A. Click "Share chart by URL" and provide the URL to the SRE team. Assign the SRE team the Dashboard Viewer IAM role in the workspace project.
- B. Share the workspace Project ID with the SRE team. Assign the SRE team the Dashboard Viewer IAM role in the workspace project.
- C. Share the workspace Project ID with the SRE team. Assign the SRE team the Monitoring Viewer IAM role in the workspace project.
- D. Click "Share chart by URL" and provide the URL to the SRE team. Assign the SRE team the Monitoring Viewer IAM role in the workspace project.
Answer: C
NEW QUESTION 24
You support a high-traffic web application that runs on Google Cloud Platform (GCP). You need measure application reliability from a user perspective without making any engineering changes to it. What should you do? (Choose two.)
- A. Use current and historic Request Logs to trace customer interaction with the application.
- B. Modify the code to capture additional information for user interaction.
- C. Create new synthetic clients to simulate a user journey using the application.
- D. Review current application metrics and add new ones as needed.
- E. Analyze the web proxy logs only and capture response time of each request.
Answer: B,C
NEW QUESTION 25
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. Create an Unmanaged Instance Group for the instances used to run the workload.
- C. Migrate the instances to a Managed Instance Group.
- D. Convert the instances to preemptible virtual machines.
Answer: D
NEW QUESTION 26
You need to deploy a new service to production. The service needs to automatically scale using a Managed Instance Group (MIG) and should be deployed over multiple regions. The service needs a large number of resources for each instance and you need to plan for capacity. What should you do?
- A. Validate that the resource requirements are within the available quota limits of each region.
- B. Monitor results of Stackdriver Trace to determine the required amount of resources.
- C. Use the n1-highcpu-96 machine type in the configuration of the MIG.
- D. Deploy the service in one region and use a global load balancer to route traffic to this region.
Answer: C
NEW QUESTION 27
You are responsible for creating and modifying the Terraform templates that define your Infrastructure. Because two new engineers will also be working on the same code, you need to define a process and adopt a tool that will prevent you from overwriting each other's code. You also want to ensure that you capture all updates in the latest version. What should you do?
- A. Store your code in a Git-based version control system.
* Establish a process that allows developers to merge their own changes at the end of each day.
* Package and upload code lo a versioned Cloud Storage bucket as the latest master version. - B. Store your code as text files in Google Drive in a defined folder structure that organizes the files.
* At the end of each day, confirm that all changes have been captured in the files within the folder structure and create a new .zip archive with a predefined naming convention.
* Upload the .zip archive to a versioned Cloud Storage bucket and accept it as the latest version. - C. Store your code in a Git-based version control system.
* Establish a process that includes code reviews by peers and unit testing to ensure integrity and functionality before integration of code.
* Establish a process where the fully integrated code in the repository becomes the latest master version. - D. Store your code as text files in Google Drive in a defined folder structure that organizes the files.
* At the end of each day. confirm that all changes have been captured in the files within the folder structure.
* Rename the folder structure with a predefined naming convention that increments the version.
Answer: C
NEW QUESTION 28
Your company follows Site Reliability Engineering practices. You are the person in charge of Communications for a large, ongoing incident affecting your customer-facing applications. There is still no estimated time for a resolution of the outage. You are receiving emails from internal stakeholders who want updates on the outage, as well as emails from customers who want to know what is happening. You want to efficiently provide updates to everyone affected by the outage. What should you do?
- A. Focus on responding to internal stakeholders at least every 30 minutes. Commit to "next update" times.
- B. Provide all internal stakeholder emails to the Incident Commander, and allow them to manage internal communications. Focus on providing responses directly to customers.
- C. Provide periodic updates to all stakeholders in a timely manner. Commit to a "next update" time in all communications.
- D. Delegate the responding to internal stakeholder emails to another member of the Incident Response Team. Focus on providing responses directly to customers.
Answer: A
NEW QUESTION 29
Your organization wants to implement Site Reliability Engineering (SRE) culture and principles. Recently, a service that you support had a limited outage. A manager on another team asks you to provide a formal explanation of what happened so they can action remediations. What should you do?
- A. Develop a postmortem that includes the root causes, resolution, lessons learned, the list of people responsible, and a list of action items for each person. Share it on the engineering organization's document portal.
- B. Develop a postmortem that includes the root causes, resolution, lessons learned, and a prioritized list of action items. Share it on the engineering organization's document portal.
- C. Develop a postmortem that includes the root causes, resolution, lessons learned, and a prioritized list of action items. Share it with the manager only.
- D. Develop a postmortem that includes the root causes, resolution, lessons learned, the list of people responsible, and a list of action items for each person. Share it with the manager only.
Answer: B
NEW QUESTION 30
You support an application that stores product information in cached memory. For every cache miss, an entry is logged in Stackdriver Logging. You want to visualize how often a cache miss happens over time. What should you do?
- A. Configure BigOuery as a sink for Stackdriver Logging. Create a scheduled query to filter the cache miss logs and write them to a separate table
- B. Link Stackdriver Logging as a source in Google Data Studio. Filler (he logs on the cache misses.
- C. Configure Stackdriver Profiler to identify and visualize when the cache misses occur based on the logs.
- D. Create a logs-based metric in Stackdriver Logging and a dashboard for that metric in Stackdriver Monitoring.
Answer: D
NEW QUESTION 31
You are running an application in a virtual machine (VM) using a custom Debian image. The image has the Stackdriver Logging agent installed. The VM has the cloud-platform scope. The application is logging information via syslog. You want to use Stackdriver Logging in the Google Cloud Platform Console to visualize the logs. You notice that syslog is not showing up in the "All logs" dropdown list of the Logs Viewer. What is the first thing you should do?
- A. Install the most recent version of the Stackdriver agent.
- B. Look for the agent's test log entry in the Logs Viewer.
- C. Verify the VM service account access scope includes the monitoring.write scope.
- D. SSH to the VM and execute the following commands on your VM: ps ax I grep fluentd
Answer: D
NEW QUESTION 32
Your organization recently adopted a container-based workflow for application development. Your team develops numerous applications that are deployed continuously through an automated build pipeline to a Kubernetes cluster in the production environment. The security auditor is concerned that developers or operators could circumvent automated testing and push code changes to production without approval. What should you do to enforce approvals?
- A. Leverage Kubernetes Role-Based Access Control (RBAC) to restrict access to only approved users.
- B. Enable binary authorization inside the Kubernetes cluster and configure the build pipeline as an attestor.
- C. Configure the build system with protected branches that require pull request approval.
- D. Use an Admission Controller to verify that incoming requests originate from approved sources.
Answer: A
NEW QUESTION 33
Your application images are built and pushed to Google Container Registry (GCR). You want to build an automated pipeline that deploys the application when the image is updated while minimizing the development effort. What should you do?
- A. Use Cloud Build to trigger a Spinnaker pipeline.
- B. Use Cloud Pub/Sub to bigger a Spinnaker pipeline.
- C. Use Cloud Pub/Sub to trigger a custom deployment service running in Google Kubernetes Engine (GKE).
- D. Use a custom builder in Cloud Build to trigger Jenkins pipeline.
Answer: C
NEW QUESTION 34
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