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Google Professional Cloud DevOps Engineer Practice Test - Questions Answers, Page 2

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List of questions

Question 11

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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?

Question 12

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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

Question 13

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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 sca

Question 14

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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

Question 15

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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 as

Question 16

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Your company follows Site Reliability Engineering principles. You are writing a postmortem for an incident, triggered by a software change, that severely affected users. You want to prevent severe i

Question 17

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Your team is designing a new application for deployment both inside and outside Google Cloud Platform (GCP). You need to collect detailed metrics such as system resource utilization. You want to use

Question 18

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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 d

Question 19

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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.

Question 20

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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

Related questions

Your applications performance in Google Cloud has degraded since the last release You suspect that downstream dependencies might be causing some requests to take longer to complete You need to investigate the issue with your application to determine the cause What should you do?

You are managing the production deployment to a set of Google Kubernetes Engine (GKE) clusters. You want to make sure only images which are successfully built by your trusted CI/CD pipeline are deployed to production. What should you do?

You are creating a CI/CD pipeline in Cloud Build to build an application container image The application code is stored in GitHub Your company requires thai production image builds are only run against the main branch and that the change control team approves all pushes to the main branch You want the image build to be as automated as possible What should you do? Choose 2 answers

You are using Terraform to manage infrastructure as code within a Cl/CD pipeline You notice that multiple copies of the entire infrastructure stack exist in your Google Cloud project, and a new copy is created each time a change to the existing infrastructure is made You need to optimize your cloud spend by ensuring that only a single instance of your infrastructure stack exists at a time. You want to follow Google-recommended practices What should you do?

You are implementing a CI'CD pipeline for your application in your company s multi-cloud environment Your application is deployed by using custom Compute Engine images and the equivalent in other cloud providers You need to implement a solution that will enable you to build and deploy the images to your current environment and is adaptable to future changes Which solution stack should you use'?

You are writing a postmortem for an incident that severely affected users. You want to prevent similar incidents in the future. Which two of the following sections should you include in the postmortem? (Choose two.)

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?

You are deploying a Cloud Build job that deploys Terraform code when a Git branch is updated. While testing, you noticed that the job fails. You see the following error in the build logs: Initializing the backend. .. Error: Failed to get existing workspaces : querying Cloud Storage failed: googleapi : Error 403 You need to resolve the issue by following Google-recommended practices. What should you do?

Your company operates in a highly regulated domain that requires you to store all organization logs for seven years You want to minimize logging infrastructure complexity by using managed services You need to avoid any future loss of log capture or stored logs due to misconfiguration or human error What should you do?

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?

Question 11

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.

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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?

Configure the VPC as a Shared VPC Host project.

Configure your network services on the Standard Tier.

Configure your Kubernetes duster as a Private Cluster.

Configure a Google Cloud HTTP Load Balancer as Ingress.

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Question 13

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.

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Question 14

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 load test new features. What should you do?

Create an automated testing script in production to detect failures as soon as they occur.

Create a development environment with smaller server capacity and give access only to developers and testers.

Secure the production environment to ensure that developers can't change it and set up one controlled update per year.

Create a development environment for writing code and a test environment for configurations, experiments, and load testing.

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Question 15

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

Operations Lead

Engineering Lead

Communications Lead

Customer Impact Assessor

External Customer Communications Lead

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Question 16

Your company follows Site Reliability Engineering principles. You are writing a postmortem for an incident, triggered by a software change, that severely affected users. You want to prevent severe incidents from happening in the future. What should you do?

Identify engineers responsible for the incident and escalate to their senior management.

Ensure that test cases that catch errors of this type are run successfully before new software releases.

Follow up with the employees who reviewed the changes and prescribe practices they should follow in the future.

Design a policy that will require on-call teams to immediately call engineers and management to discuss a plan of action if an incident occurs.

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Question 17

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

Import the Stackdriver Profiler package, and configure it to relay function timing data to Stackdriver for further analysis.

Import the Stackdriver 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 Stackdriver.

Install an Application Performance Monitoring (APM) tool in both locations, and configure an export to a central data storage location for analysis.

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Question 18

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 trigger a Spinnaker pipeline.

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

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

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Question 19

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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Question 20

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?

Check the serial port logs of the Compute Engine instance.

Use Stackdriver Profiler to visualize the resources utilization throughout the application.

Determine whether there is an increased number of connections to the Cloud SQL instance.

Use Cloud Security Scanner to see whether your Cloud SQL is under a Distributed Denial of Service (DDoS) attack.

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