[Oct-2023] Latest Google Professional-Cloud-DevOps-Engineer Certification Practice Test Questions [Q29-Q48]

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[Oct-2023] Latest Google Professional-Cloud-DevOps-Engineer Certification Practice Test Questions

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NEW QUESTION 29
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?

Link Stackdriver Logging as a source in Google Data Studio. Filler (he logs on the cache misses.

Configure Stackdriver Profiler to identify and visualize when the cache misses occur based on the logs.

Create a logs-based metric in Stackdriver Logging and a dashboard for that metric in Stackdriver Monitoring.

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

NEW QUESTION 30
You support a user-facing web application. When analyzing the application’s error budget over the previous six months, you notice that the application has never consumed more than 5% of its error budget in any given time window. You hold a Service Level Objective (SLO) review with business stakeholders and confirm that the SLO is set appropriately. You want your application’s SLO to more closely reflect its observed reliability. What steps can you take to further that goal while balancing velocity, reliability, and business needs? (Choose two.)

Add more serving capacity to all of your application’s zones.

Have more frequent or potentially risky application releases.

Tighten the SLO match the application’s observed reliability.

Implement and measure additional Service Level Indicators (SLIs) fro the application.

Announce planned downtime to consume more error budget, and ensure that users are not depending on a tighter SLO.

NEW QUESTION 31
You encountered a major service outage that affected all users of the service for multiple hours. After several hours of incident management, the service returned to normal, and user access was restored. You need to provide an incident summary to relevant stakeholders following the Site Reliability Engineering recommended practices. What should you do first?

Call individual stakeholders lo explain what happened.

Develop a post-mortem to be distributed to stakeholders.

Send the Incident State Document to all the stakeholders.

Require the engineer responsible to write an apology email to all stakeholders.

NEW QUESTION 32
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?

Grant the team members the IAM role of logging.configWriter on Cloud 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 Cloud IAM to allow only these members to create log exports.

NEW QUESTION 33
You are running an application on Compute Engine and collecting logs through Stackdriver. You discover that some personally identifiable information (PII) is leaking into certain log entry fields. All PII 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?

Create a basic log filter matching userinfo, and then configure a log export in the Stackdriver console with Cloud Storage as a sink.

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.

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 log exclusion with userinfo as a filter.

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.

NEW QUESTION 34
Your company runs applications in Google Kubernetes Engine (GKE). Several applications rely on ephemeral volumes. You noticed some applications were unstable due to the DiskPressure node condition on the worker nodes. You need to identify which Pods are causing the issue, but you do not have execute access to workloads and nodes. What should you do?

Check the node/ephemeral_storage/used_bytes metric by using Metrics Explorer.

Check the metric by using Metrics Explorer.

Locate all the Pods with emptyDir volumes. use the df-h command to measure volume disk usage.

Locate all the Pods with emptyDir volumes. Use the du -sh * command to measure volume disk usage.

NEW QUESTION 35
Your team has recently deployed an NGINX-based application into Google Kubernetes Engine (GKE) and has exposed it to the public via an HTTP Google Cloud Load Balancer (GCLB) 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 Stackdriver custom metrics adapter and configure a horizontal pod autoscaler to use the number of requests provided by the GCLB.

Expose the NGINX stats endpoint and configure the horizontal pod autoscaler to use the request metrics exposed by the NGINX deployment.

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?

Use Cloud Build to trigger a Spinnaker pipeline.

Use Cloud Pub/Sub to bigger a Spinnaker pipeline.

Use a custom builder in Cloud Build to trigger Jenkins pipeline.

Use Cloud Pub/Sub to trigger a custom deployment service running in Google Kubernetes Engine (GKE).

NEW QUESTION 37
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?

Install the Stackdriver Error Reporting library for Python, and then run your code on a Compute Engine VM.

Install the Stackdriver Error Reporting library for Python, and then run your code on Google Kubernetes Engine.

Install the Stackdriver Error Reporting library for Python, and then run your code on App Engine flexible environment.

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.

NEW QUESTION 38
You encounter a large number of outages in the production systems you support. You receive alerts for all the outages that wake you up at night. The alerts are due to unhealthy systems that are automatically restarted within a minute. You want to set up a process that would prevent staff burnout while following Site Reliability Engineering practices. What should you do?

Eliminate unactionable alerts.

Create an incident report for each of the alerts.

Distribute the alerts to engineers in different time zones.

Redefine the related Service Level Objective so that the error budget is not exhausted.

NEW QUESTION 39
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

Before merging new code, require 2 different peers to review the code changes.

Adopt the blue/green deployment strategy when releasing new code via a CD server.

Integrate a code linting tool to validate coding standards before any code is accepted into the repository.

Require developers to run automated integration tests on their local development environments before release.

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.

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?

Publish various metrics from the application directly to the Slackdriver Monitoring API, and then observe these custom metrics in Stackdriver.

Install the Cloud Pub/Sub client libraries, push various metrics from the application to various topics, and then observe the aggregated metrics in Stackdriver.

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.

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.

NEW QUESTION 41
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?

Create a basic log filter matching userinfo, and then configure a log export in the Stackdriver console with Cloud Storage as a sink.

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.

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.

NEW QUESTION 42
You are configuring Cloud Logging for a new application that runs on a Compute Engine instance with a public IP address. A user-managed service account is attached to the instance. You confirmed that the necessary agents are running on the instance but you cannot see any log entries from the instance in Cloud Logging. You want to resolve the issue by following Google-recommended practices. What should you do?

Add the Logs Writer role to the service account.

Enable Private Google Access on the subnet that the instance is in.

Update the instance to use the default Compute Engine service account.

Export the service account key and configure the agents to use the key.

NEW QUESTION 43
You are running an experiment to see whether your users like a new feature of a web application. Shortly after deploying the feature as a canary release, you receive a spike in the number of 500 errors sent to users, and your monitoring reports show increased latency. You want to quickly minimize the negative impact on users. What should you do first?

Roll back the experimental canary release.

Start monitoring latency, traffic, errors, and saturation.

Record data for the postmortem document of the incident.

Trace the origin of 500 errors and the root cause of increased latency.

NEW QUESTION 44
You support a production service that runs on a single Compute Engine instance. You regularly need to spend time on recreating the service by deleting the crashing instance and creating a new instance based on the relevant image. You want to reduce the time spent performing manual operations while following Site Reliability Engineering principles. What should you do?

File a bug with the development team so they can find the root cause of the crashing instance.

Create a Managed Instance Group with a single instance and use health checks to determine the system status.

Add a Load Balancer in front of the Compute Engine instance and use health checks to determine the system status.

Create a Stackdriver Monitoring dashboard with SMS alerts to be able to start recreating the crashed instance promptly after it has crashed.

NEW QUESTION 45
You are the Site Reliability Engineer responsible for managing your company’s data services and products.
You regularly navigate operational challenges, such as unpredictable data volume and high cost, with your company’s data ingestion processes. You recently learned that a new data ingestion product will be developed in Google Cloud. You need to collaborate with the product development team to provide operational input on the new product. What should you do?

Deploy the prototype product in a test environment, run a load test, and share the results with the product development team.

When the initial product version passes the quality assurance phase and compliance assessments, deploy the product to a staging environment. Share error logs and performance metrics with the product development team.

When the new product is used by at least one internal customer in production, share error logs and monitoring metrics with the product development team.

Review the design of the product with the product development team to provide feedback early in the design phase.

NEW QUESTION 46
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?

Load teat the application to profile its performance for scaling.

Enable AutoScaling on the production clusters, in case there is growth.

Pre-provision double the compute power used last season, expecting growth.

Create a runbook on inflating the disaster recovery (DR) environment if there is growth.

NEW QUESTION 47
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 the production environment. A recent security audit alerted your team that the code pushed to production could contain vulnerabilities and that the existing tooling around virtual machine (VM) vulnerabilities no longer applies to the containerized environment. You need to ensure the security and patch level of all code running through the pipeline. What should you do?

Set up Container Analysis to scan and report Common Vulnerabilities and Exposures.

Configure the containers in the build pipeline to always update themselves before release.

Reconfigure the existing operating system vulnerability software to exist inside the container.

Implement static code analysis tooling against the Docker files used to create the containers.

NEW QUESTION 48
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

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.

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