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[2021] Professional-Cloud-DevOps-Engineer PDF Questions - Perfect Prospect To Go With Exam-Killer Practice Exam
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NEW QUESTION 23
Your product is currently deployed in three Google Cloud Platform (GCP) zones with your users divided between the zones. You can fail over from one zone to another, but it causes a 10-minute service disruption for the affected users. You typically experience a database failure once per quarter and can detect it within five minutes. You are cataloging the reliability risks of a new real-time chat feature for your product. You catalog the following information for each risk:
* Mean Time to Detect (MUD} in minutes
* Mean Time to Repair (MTTR) in minutes
* Mean Time Between Failure (MTBF) in days
* User Impact Percentage
The chat feature requires a new database system that takes twice as long to successfully fail over between zones. You want to account for the risk of the new database failing in one zone. What would be the values for the risk of database failover with the new system?
- A. MTTD: 5
MTTR: 10
MTBF: 90
Impact: 33% - B. MTTD:5
MTTR: 20
MTBF: 90
Impact: 33% - C. MTTD:5
MTTR: 20
MTBF: 90
Impact: 50% - D. MTTD:5
MTTR: 10
MTBF: 90
Impact 50%
Answer: D
NEW QUESTION 24
You are running an application on Compute Engine and collecting logs through Stackdriver. You discover that some personally identifiable information (Pll) is leaking into certain log entry fields. All Pll entries begin with the text userinfo. You want to capture these log entries in a secure location for later review and prevent them from leaking to Stackdriver Logging. What should you do?
- A. Use a Fluentd filter plugin with the Stackdriver Agent to remove log entries containing userinfo, create an advanced log filter matching userinfo, and then configure a log export in the Stackdriver console with Cloud Storage as a sink.
- B. Use a Fluentd filter plugin with the Stackdriver Agent to remove log entries containing userinfo, and then copy the entries to a Cloud Storage bucket.
- C. Create an advanced log filter matching userinfo, configure a log export in the Stackdriver console with Cloud Storage as a sink, and then configure a tog exclusion with userinfo as a filter.
- D. Create a basic log filter matching userinfo, and then configure a log export in the Stackdriver console with Cloud Storage as a sink.
Answer: D
NEW QUESTION 25
Your application images are built using 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 should 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: D
Explanation:
https://cloud.google.com/container-registry/docs/pushing-and-pulling
NEW QUESTION 26
You need to reduce the cost of virtual machines (VM| for your organization. After reviewing different options, you decide to leverage preemptible VM instances. Which application is suitable for preemptible VMs?
- A. The organization's public-facing website
- B. A GPU-accelerated video rendering platform that retrieves and stores videos in a storage bucket
- C. A distributed, eventually consistent NoSQL database cluster with sufficient quorum
- D. A scalable in-memory caching system
Answer: B
NEW QUESTION 27
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. Create a separate step in Cloud Build to retrieve service account credentials and pass these to kubectl.
- B. Assign the Container Developer role to the Cloud Build service account.
- C. Specify the Container Developer role for Cloud Build in the cloudbuild.yaml file.
- D. Create a new service account with the Container Developer role and use it to run Cloud Build.
Answer: D
NEW QUESTION 28
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. Create an Unmanaged Instance Group for the instances used to run the workload.
- B. Convert the instances to preemptible virtual machines.
- C. Purchase Committed Use Discounts.
- D. Migrate the instances to a Managed Instance Group.
Answer: B
NEW QUESTION 29
You use Cloud Build to build your application. You want to reduce the build time while minimizing cost and development effort. What should you do?
- A. Use Cloud Storage to cache intermediate artifacts.
- B. Use larger Cloud Build virtual machines (VMs) by using the machine-type option.
- C. Use multiple smaller build steps to minimize execution time.
- D. Run multiple Jenkins agents to parallelize the build.
Answer: C
NEW QUESTION 30
You currently store the virtual machine (VM) utilization logs in Stackdriver. You need to provide an easy-to- share interactive VM utilization dashboard that is updated in real time and contains information aggregated on a quarterly basis. You want to use Google Cloud Platform solutions. What should you do?
- A. 1. Export VM utilization logs from Stackdriver to a Cloud Storage bucket.
2. Enable the Cloud Storage API to pull the logs programmatically.
3. Build a custom data visualization application.
4. Display the pulled logs in a custom dashboard. - B. 1. Export VM utilization logs from Stackdriver to BigQuery.
2. Create a dashboard in Data Studio.
3. Share the dashboard with your stakeholders. - C. 1. Export VM utilization logs from Stackdriver to Cloud Pub/Sub.
2. From Cloud Pub/Sub, send the logs to a Security Information and Event Management (SIEM) system.
3. Build the dashboards in the SIEM system and share with your stakeholders. - D. 1. Export VM utilization logs from Stackdriver to BigQuery.
2. From BigQuery, export the logs to a CSV file.
3. Import the CSV file into Google Sheets.
4. Build a dashboard in Google Sheets and share it with your stakeholders.
Answer: B
NEW QUESTION 31
You support a multi-region web service running on Google Kubernetes Engine (GKE) behind a Global HTTP'S Cloud Load Balancer (CLB). For legacy reasons, user requests first go through a third-party Content Delivery Network (CDN). which then routes traffic to the CLB. You have already implemented an availability Service Level Indicator (SLI) at the CLB level. However, you want to increase coverage in case of a potential load balancer misconfiguration. CDN failure, or other global networking catastrophe. Where should you measure this new SLI?
Choose 2 answers
- A. Instrumentation coded directly in the client
- B. Metrics exported from the application servers
- C. Your application servers' logs
- D. GKE health checks for your application servers
- E. A synthetic client that periodically sends simulated user requests
Answer: B,D
NEW QUESTION 32
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. Create an Unmanaged Instance Group for the instances used to run the workload.
- B. Convert the instances to preemptible virtual machines.
- C. Migrate the instances to a Managed Instance Group.
- D. Purchase Committed Use Discounts.
Answer: D
NEW QUESTION 33
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. Bring the service into production with no SLOs and build them when you have collected operational data.
- B. Adjust the SLO targets to be achievable by the service so you can bring it into production.
- C. Notify the development team that they will have to provide production support for the service.
- D. Identify recommended reliability improvements to the service to be completed before handover.
Answer: D
NEW QUESTION 34
You manage an application that is writing logs to Stackdriver Logging. You need to give some team members the ability to export logs. What should you do?
- A. Create and grant a custom IAM role with the permissions logging.sinks.list and logging.sink.get.
- B. Create an Organizational Policy in Cloud IAM to allow only these members to create log exports.
- C. Grant the team members the IAM role of logging.configWriter on Cloud IAM.
- D. Configure Access Context Manager to allow only these members to export logs.
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/logging/docs/access-control
NEW QUESTION 35
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. Create a separate step in Cloud Build to retrieve service account credentials and pass these to kubectl.
- C. Create a new service account with the Container Developer role and use it to run Cloud Build.
- D. Specify the Container Developer role for Cloud Build in the cloudbuild.yaml file.
Answer: A
NEW QUESTION 36
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 Pub/Sub to trigger a custom deployment service running in Google Kubernetes Engine (GKE).
- B. Use Cloud Pub/Sub to trigger a Spinnaker pipeline.
- C. Use a custom builder in Cloud Build to trigger a Jenkins pipeline.
- D. Use Cloud Build to trigger a Spinnaker pipeline.
Answer: A
NEW QUESTION 37
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. 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.
- B. 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.
- C. 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.
- D. 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.
Answer: C
NEW QUESTION 38
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 a new deployment of the current production version.
- B. Compare the canary with the average performance of a sliding window of previous production versions.
- C. Compare the canary with a new deployment of the previous production version.
- D. Compare the canary with the existing deployment of the current production version.
Answer: B
NEW QUESTION 39
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. Use the n1-highcpu-96 machine type in the configuration of the MIG.
- B. Validate that the resource requirements are within the available quota limits of each region.
- C. Monitor results of Stackdriver Trace to determine the required amount of resources.
- D. Deploy the service in one region and use a global load balancer to route traffic to this region.
Answer: A
NEW QUESTION 40
Your team is designing a new application for deployment into Google Kubernetes Engine (GKE). You need to set up monitoring to collect and aggregate various application-level metrics in a centralized location. You want to use Google Cloud Platform services while minimizing the amount of work required to set up monitoring.
What should you do?
- A. Install the Cloud Pub/Sub client libraries, push various metrics from the application to various topics, and then observe the aggregated metrics in Stackdriver.
- B. Emit all metrics in the form of application-specific log messages, pass these messages from the containers to the Stackdriver logging collector, and then observe metrics in Stackdriver.
- C. Install the OpenTelemetry client libraries in the application, configure Stackdriver as the export destination for the metrics, and then observe the application's metrics in Stackdriver.
- D. Publish various metrics from the application directly to the Stackdriver Monitoring API, and then observe these custom metrics in Stackdriver.
Answer: C
NEW QUESTION 41
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 your Kubernetes duster as a Private Cluster.
- B. Configure your network services on the Standard Tier.
- C. Configure a Google Cloud HTTP Load Balancer as Ingress.
- D. Configure the VPC as a Shared VPC Host project.
Answer: C
Explanation:
Costs associated with a load balancer are charged to the project containing the load balancer components. Because of these benefits, container-native load balancing is the recommended solution for load balancing through Ingress. When NEGs are used with GKE Ingress, the Ingress controller facilitates the creation of all aspects of the L7 load balancer. This includes creating the virtual IP address, forwarding rules, health checks, firewall rules, and more. https://cloud.google.com/architecture/best-practices-for-running-cost-effective-kubernetes-applications-on-gke
NEW QUESTION 42
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The Google Professional Cloud DevOps Engineer exam is taken by the specialists who want to obtain international certification and get validated as professional engineers who can manage Cloud DevOps features.
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