PROFESSIONAL CLOUD DEVOPS ENGINEER Certification Exam Questions with AI Explanations

QUESTION: 41

You support a high-traffic web application that runs on Google Cloud. You need to measure application reliability from a user perspective without making any engineering changes to it. What should you do? (Choose two.)

Review current application metrics and add new ones as needed.
Modify the code to capture additional information for user interaction.
Analyze the web proxy logs only and capture response time of each request.
Create new synthetic clients to simulate a user journey using the application.
Use current and historic Request Logs to trace customer interaction with the application.

Answer(s): D,E

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QUESTION: 42

You manage an application that is writing logs to Cloud Logging. You need to give some team members the ability to export logs. What should you do?

Grant the team members the IAM role of logging.configWriter on Identity and Access Management (IAM).
Configure Access Context Manager to allow only these members to export logs.
Create and grant a custom IAM role with the permissions logging.sinks.list and logging.sink.get.
Create an Organizational Policy in IAM to allow only these members to create log exports.

Answer(s): A

Reference:

https://cloud.google.com/logging/docs/access-control

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QUESTION: 43

Your application services run in Google Kubernetes Engine (GKE). You want to make sure that only images from your centrally-managed Artifact Registry image registry in the altostrat-images project can be deployed to the cluster while minimizing development time. What should you do?

Create a custom builder for Cloud Build that will only push images to us-docker.pkg.dev/my-project/ altostrat-images.
Use a Binary Authorization policy that includes the allowlist name pattern us-docker.pkg.dev/my-project/ altostrat-images/.
Add logic to the deployment pipeline to check that all manifests contain only images from us- docker.pkg.dev/my-project/altostrat-images.
Add a tag to each image in us-docker.pkg.dev/my-project/altostrat-images and check that this tag is present when the image is deployed.

Answer(s): B

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QUESTION: 44

Your team has recently deployed an NGINX-based application into Google Kubernetes Engine (GKE) and has exposed it to the public via an HTTP Cloud Load Balancer ingress. You want to scale the deployment of the application's frontend using an appropriate Service Level Indicator (SLI). What should you do?

Configure the horizontal pod autoscaler to use the average response time from the Liveness and Readiness probes.
Configure the vertical pod autoscaler in GKE and enable the cluster autoscaler to scale the cluster as pods expand.
Install the custom metrics adapter and configure a horizontal pod autoscaler to use the number of requests provided by the Cloud Load Balancer.
Expose the NGINX stats endpoint and configure the horizontal pod autoscaler to use the request metrics exposed by the NGINX deployment.

Answer(s): C

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QUESTION: 45

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 two.)

Operations Lead
Engineering Lead
Communications Lead
Customer Impact Assessor
External Customer Communications Lead

Answer(s): A,C

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QUESTION: 46

You support an application running on Google Cloud and want to configure SMS notifications to your team for the most critical alerts in Cloud Monitoring. You have already identified the alerting policies you want to configure this for. What should you do?

Download and configure a third-party integration between Cloud Monitoring and an SMS gateway. Ensure that your team members add their SMS/phone numbers to the external tool.
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.
Ensure that your team members set their SMS/phone numbers in Cloud Monitoring. Select the SMS notification option for each alerting policy and then select the appropriate SMS/phone numbers from the list.
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.

Answer(s): C

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QUESTION: 47

You are managing an application that exposes an HTTP endpoint without using a load balancer. The latency of the HTTP responses is important for the user experience. You want to understand what HTTP latencies all of your users are experiencing. You use Cloud Monitoring. What should you do?

· In your application, create a metric with a metricKind set to DELTA and a valueType set to DOUBLE.
· In Metrics Explorer, use a Stacked Bar graph to visualize the metric.
· In your application, create a metric with a metricKind set to CUMULATIVE and a valueType set to DOUBLE.
· In Metrics Explorer, use a Line graph to visualize the metric.
· In your application, create a metric with a metricKind set to GAUGE and a valueType set to DISTRIBUTION.
· In Metrics Explorer, use a Heatmap graph to visualize the metric.
· In your application, create a metric with a metricKind set to METRIC_KIND_UNSPECIFIED and a valueType set to INT64.
· In Metrics Explorer, use a Stacked Area graph to visualize the metric.

Answer(s): C

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QUESTION: 48

Your team is designing a new application for deployment both inside and outside Google Cloud. You need to collect detailed metrics such as system resource utilization. You want to use centralized Google Cloud services while minimizing the amount of work required to set up this collection system. What should you do?

Import the Cloud Profiler package, and configure it to relay function timing data to Cloud Monitoring for further analysis.
Import the Cloud Debugger package, and configure the application to emit debug messages with timing information.
Instrument the code using a timing library, and publish the metrics via a health check endpoint that is scraped by Cloud Monitoring.
Install an Application Performance Monitoring (APM) tool in both locations, and configure an export to a central data storage location for analysis.

Answer(s): A

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QUESTION: 41

QUESTION: 42

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QUESTION: 48