Professional-Cloud-DevOps-Engineer Dumps for Pass Guaranteed - Pass Professional-Cloud-DevOps-Engineer Exam 2021
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Conclusion
Passing the Google Professional Cloud DevOps Engineer evaluation is not impossible as long as you combine different learning solutions. While the vendor offers different preparation resources for the exam-takers who want to get the passing score without stress, you shouldn’t stop here. You can also go as far as to explore the guides available on Amazon and enhance your skills for becoming a certified Cloud DevOps Engineer.
NEW QUESTION 25
You deploy a new release of an internal application during a weekend maintenance window when there is minimal user traffic. After the window ends, you learn that one of the new features isn't working as expected in the production environment. After an extended outage, you roll back the new release and deploy a fix. You want to modify your release process to reduce the mean time to recovery so you can avoid extended outages in the future. What should you do?
Choose 2 answers
- A. Adopt the blue/green deployment strategy when releasing new code via a CD server.
- B. Integrate a code linting tool to validate coding standards before any code is accepted into the repository.
- C. Configure a CI server. Add a suite of unit tests to your code and have your CI server run them on commit and verify any changes.
- D. Require developers to run automated integration tests on their local development environments before release.
- E. Before merging new code, require 2 different peers to review the code changes.
Answer: A,C
NEW QUESTION 26
You support an application deployed on Compute Engine. The application connects to a Cloud SQL instance to store and retrieve dat a. After an update to the application, users report errors showing database timeout messages. The number of concurrent active users remained stable. You need to find the most probable cause of the database timeout. What should you do?
- A. Check the serial port logs of the Compute Engine instance.
- B. Use Cloud Security Scanner to see whether your Cloud SQL is under a Distributed Denial of Service (DDoS) attack.
- C. Determine whether there is an increased number of connections to the Cloud SQL instance.
- D. Use Stackdriver Profiler to visualize the resources utilization throughout the application.
Answer: D
NEW QUESTION 27
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. Provide all internal stakeholder emails to the Incident Commander, and allow them to manage internal communications. Focus on providing responses directly to customers.
- B. Delegate the responding to internal stakeholder emails to another member of the Incident Response Team. Focus on providing responses directly to customers.
- C. Focus on responding to internal stakeholders at least every 30 minutes. Commit to "next update" times.
- D. Provide periodic updates to all stakeholders in a timely manner. Commit to a "next update" time in all communications.
Answer: C
NEW QUESTION 28
You support a trading application written in Python and hosted on App Engine flexible environment. You want to customize the error information being sent to Stackdriver Error Reporting. What should you do?
- A. Install the Stackdriver Error Reporting library for Python, and then run your code on App Engine flexible environment.
- B. Use the Stackdriver Error Reporting API to write errors from your application to ReportedErrorEvent, and then generate log entries with properly formatted error messages in Stackdriver Logging.
- C. Install the Stackdriver Error Reporting library for Python, and then run your code on a Compute Engine VM.
- D. Install the Stackdriver Error Reporting library for Python, and then run your code on Google Kubernetes Engine.
Answer: A
NEW QUESTION 29
You have migrated an e-commerce application to Google Cloud Platform (GCP). You want to prepare the application for the upcoming busy season. What should you do first to prepare for the busy season?
- A. Load teat the application to profile its performance for scaling.
- B. Pre-provision double the compute power used last season, expecting growth.
- C. Create a runbook on inflating the disaster recovery (DR) environment if there is growth.
- D. Enable AutoScaling on the production clusters, in case there is growth.
Answer: D
NEW QUESTION 30
You support an application deployed on Compute Engine. The application connects to a Cloud SQL instance to store and retrieve dat a. After an update to the application, users report errors showing database timeout messages. The number of concurrent active users remained stable. You need to find the most probable cause of the database timeout. What should you do?
- A. Check the serial port logs of the Compute Engine instance.
- B. Use Stackdriver Profiler to visualize the resources utilization throughout the application.
- C. Use Cloud Security Scanner to see whether your Cloud SQL is under a Distributed Denial of Service (DDoS) attack.
- D. Determine whether there is an increased number of connections to the Cloud SQL instance.
Answer: D
NEW QUESTION 31
Your application images are built wing Cloud Build and pushed to Google Container Registry (GCR). You want to be able to specify a particular version of your application for deployment based on the release version tagged in source control. What would you do when you push the image?
- A. Use GCR digest versioning to match the image to the tag in source control.
- B. Use Cloud Build to include the release version tag in the application image.
- C. Reference the image digest in the source control tag.
- D. Supply the source control tag as a parameter within the image name.
Answer: B
NEW QUESTION 32
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. Communications Lead
- B. Operations Lead
- C. External Customer Communications Lead
- D. Engineering Lead
- E. Customer Impact Assessor
Answer: A,B
Explanation:
https://sre.google/workbook/incident-response/
"The main roles in incident response are the Incident Commander (IC), Communications Lead (CL), and Operations or Ops Lead (OL)."
NEW QUESTION 33
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. Upload the configuration YAML file to Cloud Storage and use Error Reporting to identify and fix the issue.
- B. Disable the CI pipeline and revert to manually building and pushing the artifacts.
- C. Run a Git compare between the previous and current Cloud Build Configuration files to find and fix the bug.
- D. Change the CI pipeline to push the artifacts to Container Registry instead of Docker Hub.
Answer: C
Explanation:
"After making a change in the Cloud Build YAML configuration, you notice that no new artifacts are being built by the pipeline"- means something wrong on the recent change not with the image registry.
NEW QUESTION 34
Your application services run in Google Kubernetes Engine (GKE). You want to make sure that only images from your centrally-managed Google Container Registry (GCR) image registry in the altostrat-images project can be deployed to the cluster while minimizing development time. What should you do?
- A. Add a tag to each image in gcr.io/altostrat-images and check that this tag is present when the image is deployed.
- B. Create a custom builder for Cloud Build that will only push images to gcr.io/altostrat-images.
- C. Add logic to the deployment pipeline to check that all manifests contain only images from gcr.io/altostrat- images.
- D. Use a Binary Authorization policy that includes the whitelist name pattern gcr.io/altostrat-images/.
Answer: A
NEW QUESTION 35
You are working with a government agency that requires you to archive application logs for seven years. You need to configure Stackdriver to export and store the logs while minimizing costs of storage. What should you do?
- A. Create an export in Stackdriver and configure Cloud Pub/Sub to store logs in permanent storage for seven years.
- B. Create a sink in Stackdriver, name it, create a bucket on Cloud Storage for storing archived logs, and then select the bucket as the log export destination.
- C. Develop an App Engine application that pulls the logs from Stackdriver and saves them in BigQuery.
- D. Create a Cloud Storage bucket and develop your application to send logs directly to the bucket.
Answer: B
NEW QUESTION 36
You support a high-traffic web application and want to ensure that the home page loads in a timely manner. As a first step, you decide to implement a Service Level Indicator (SLI) to represent home page request latency with an acceptable page load time set to 100 ms. What is the Google-recommended way of calculating this SLI?
- A. Count the number of home page requests that load in under 100 ms. and then divide by the total number of all web application requests.
- B. Count the number of home page requests that load in under 100 ms, and then divide by the total number of home page requests.
- C. Buckelize Ihe request latencies into ranges, and then compute the percentile at 100 ms.
- D. Bucketize the request latencies into ranges, and then compute the median and 90th percentiles.
Answer: B
NEW QUESTION 37
You are performing a semiannual capacity planning exercise for your flagship service. You expect a service user growth rate of 10% month-over-month over the next six months. Your service is fully containerized and runs on Google Cloud Platform (GCP). using a Google Kubernetes Engine (GKE) Standard regional cluster on three zones with cluster autoscaler 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 or as a result of zone failure, while avoiding unnecessary costs. How should you prepare to handle the predicted growth?
- A. Because you are at only 30% utilization, you have significant headroom and you won't need to add any additional capacity for this rate of growth.
- B. Proactively add 60% more node capacity to account for six months of 10% growth rate, and then perform a load test to make sure you have enough capacity.
- C. Verity the maximum node pool size, enable a horizontal pod autoscaler, and then perform a load test to verity your expected resource needs.
- D. Because you are deployed on GKE and are using a cluster autoscaler. your GKE cluster will scale automatically, regardless of growth rate.
Answer: D
NEW QUESTION 38
Your application services run in Google Kubernetes Engine (GKE). You want to make sure that only images from your centrally-managed Google Container Registry (GCR) image registry in the altostrat-images project can be deployed to the cluster while minimizing development time. What should you do?
- A. Use a Binary Authorization policy that includes the whitelist name pattern gcr.io/attostrat-images/.
- B. Create a custom builder for Cloud Build that will only push images to gcr.io/altostrat-images.
- C. Add logic to the deployment pipeline to check that all manifests contain only images from gcr.io/altostrat-images.
- D. Add a tag to each image in gcr.io/altostrat-images and check that this tag is present when the image is deployed.
Answer: A
NEW QUESTION 39
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 trigger a custom deployment service running in Google Kubernetes Engine (GKE).
- C. Use Cloud Pub/Sub to bigger a Spinnaker pipeline.
- D. Use a custom builder in Cloud Build to trigger Jenkins pipeline.
Answer: B
NEW QUESTION 40
You support an application running on GCP and want to configure SMS notifications to your team for the most critical alerts in Stackdriver Monitoring. You have already identified the alerting policies you want to configure this for. What should you do?
- A. Download and configure a third-party integration between Stackdriver Monitoring and an SMS gateway. Ensure that your team members add their SMS/phone numbers to the external tool.
- B. Configure a Slack notification for each alerting policy. Set up a Slack-to-SMS integration to send SMS messages when Slack messages are received. Ensure that your team members add their SMS/phone numbers to the external integration.
- C. Ensure that your team members set their SMS/phone numbers in their Stackdriver Profile. Select the SMS notification option for each alerting policy and then select the appropriate SMS/phone numbers from the list.
- D. Select the Webhook notifications option for each alerting policy, and configure it to use a third-party integration tool. Ensure that your team members add their SMS/phone numbers to the external tool.
Answer: B
NEW QUESTION 41
You are developing a strategy for monitoring your Google Cloud Platform (GCP) projects in production using Stackdriver Workspaces. One of the requirements is to be able to quickly identify and react to production environment issues without false alerts from development and staging projects. You want to ensure that you adhere to the principle of least privilege when providing relevant team members with access to Stackdriver Workspaces. What should you do?
- A. Create a new GCP monitoring project, and create a Stackdriver Workspace inside it. Attach the production projects to this workspace. Grant relevant team members read access to the Stackdriver Workspace.
- B. Choose an existing GCP production project to host the monitoring workspace. Attach the production projects to this workspace. Grant relevant team members read access to the Stackdriver Workspace.
- C. Grant relevant team members the Project Viewer IAM role on all GCP production projects. Create Slackdriver workspaces inside each project.
- D. Grant relevant team members read access to all GCP production projects. Create Stackdriver workspaces inside each project.
Answer: A
Explanation:
"A Project can host many Projects and appear in many Projects, but it can only be used as the scoping project once. We recommend that you create a new Project for the purpose of having multiple Projects in the same scope."
NEW QUESTION 42
You support a popular mobile game application deployed on Google Kubernetes Engine (GKE) across several Google Cloud regions. Each region has multiple Kubernetes clusters. You receive a report that none of the users in a specific region can connect to the application. You want to resolve the incident while following Site Reliability Engineering practices. What should you do first?
- A. Use Stackdriver Monitoring to check for a spike in CPU or memory usage for the affected region.
- B. Use Stackdriver Logging to filter on the clusters in the affected region, and inspect error messages in the logs.
- C. Add an extra node pool that consists of high memory and high CPU machine type instances to the cluster.
- D. Reroute the user traffic from the affected region to other regions that don't report issues.
Answer: B
NEW QUESTION 43
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 Stackdriver Profiler to identify and visualize when the cache misses occur based on the logs.
- B. Create a logs-based metric in Stackdriver Logging and a dashboard for that metric in Stackdriver Monitoring.
- C. 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
- D. Link Stackdriver Logging as a source in Google Data Studio. Filler (he logs on the cache misses.
Answer: B
NEW QUESTION 44
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. Modify the code to capture additional information for user interaction.
- B. Analyze the web proxy logs only and capture response time of each request.
- C. Review current application metrics and add new ones as needed.
- D. Create new synthetic clients to simulate a user journey using the application.
- E. Use current and historic Request Logs to trace customer interaction with the application.
Answer: A,D
NEW QUESTION 45
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