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Google Professional-Cloud-Developer - Google Certified Professional - Cloud Developer

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Total 265 questions

Your company's development teams want to use Cloud Build in their projects to build and push Docker images

to Container Registry. The operations team requires all Docker images to be published to a centralized,

securely managed Docker registry that the operations team manages.

What should you do?

A.

Use Container Registry to create a registry in each development team's project. Configure the Cloud Build

build to push the Docker image to the project's registry. Grant the operations team access to each

development team's registry.

B.

Create a separate project for the operations team that has Container Registry configured. Assign

appropriate permissions to the Cloud Build service account in each developer team's project to allow

access to the operation team's registry.

C.

Create a separate project for the operations team that has Container Registry configured. Create a Service

Account for each development team and assign the appropriate permissions to allow it access to the

operations team's registry. Store the service account key file in the source code repository and use it to

authenticate against the operations team's registry.

D.

Create a separate project for the operations team that has the open source Docker Registry deployed on a

Compute Engine virtual machine instance. Create a username and password for each development team.

Store the username and password in the source code repository and use it to authenticate against the

operations team's Docker registry.

You are designing an application that uses a microservices architecture. You are planning to deploy the application in the cloud and on-premises. You want to make sure the application can scale up on demand and also use managed services as much as possible. What should you do?

A.

Deploy open source Istio in a multi-cluster deployment on multiple Google Kubernetes Engine (GKE) clusters managed by Anthos.

B.

Create a GKE cluster in each environment with Anthos, and use Cloud Run for Anthos to deploy your application to each cluster.

C.

Install a GKE cluster in each environment with Anthos, and use Cloud Build to create a Deployment for your application in each cluster.

D.

Create a GKE cluster in the cloud and install open-source Kubernetes on-premises. Use an external load balancer service to distribute traffic across the two environments.

You are developing an application that needs to store files belonging to users in Cloud Storage. You want each user to have their own subdirectory in Cloud Storage. When a new user is created, the corresponding empty subdirectory should also be created. What should you do?

A.

Create an object with the name of the subdirectory ending with a trailing slash ('/') that is zero bytes in length.

B.

Create an object with the name of the subdirectory, and then immediately delete the object within that subdirectory.

C.

Create an object with the name of the subdirectory that is zero bytes in length and has WRITER access control list permission.

D.

Create an object with the name of the subdirectory that is zero bytes in length. Set the Content-Type metadata to CLOUDSTORAGE_FOLDER.

Your development team has been tasked with maintaining a .NET legacy application. The application incurs occasional changes and was recently updated. Your goal is to ensure that the application provides consistent results while moving through the CI/CD pipeline from environment to environment. You want to minimize the cost of deployment while making sure that external factors and dependencies between hosting environments are not problematic. Containers are not yet approved in your organization. What should you do?

A.

Rewrite the application using .NET Core, and deploy to Cloud Run. Use revisions to separate the environments.

B.

Use Cloud Build to deploy the application as a new Compute Engine image for each build. Use this image in each environment.

C.

Deploy the application using MS Web Deploy, and make sure to always use the latest, patched MS Windows Server base image in Compute Engine.

D.

Use Cloud Build to package the application, and deploy to a Google Kubernetes Engine cluster. Use namespaces to separate the environments.

You plan to deploy a new application revision with a Deployment resource to Google Kubernetes Engine (GKE) in production. The container might not work correctly. You want to minimize risk in case there are issues after deploying the revision. You want to follow Google-recommended best practices. What should you do?

A.

Perform a rolling update with a PodDisruptionBudget of 80%.

B.

Perform a rolling update with a HorizontalPodAutoscaler scale-down policy value of 0.

C.

Convert the Deployment to a StatefulSet, and perform a rolling update with a PodDisruptionBudget of 80%.

D.

Convert the Deployment to a StatefulSet, and perform a rolling update with a HorizontalPodAutoscaler scale-down policy value of 0.

You have an analytics application that runs hundreds of queries on BigQuery every few minutes using BigQuery API. You want to find out how much time these queries take to execute. What should you do?

A.

Use Stackdriver Monitoring to plot slot usage.

B.

Use Stackdriver Trace to plot API execution time.

C.

Use Stackdriver Trace to plot query execution time.

D.

Use Stackdriver Monitoring to plot query execution times.

You are developing a new web application using Cloud Run and committing code to Cloud Source Repositories. You want to deploy new code in the most efficient way possible. You have already created a Cloud Build YAML file that builds a container and runs the following command: gcloud run deploy. What should you do next?

A.

Create a Pub/Sub topic to be notified when code is pushed to the repository. Create a Pub/Sub trigger that runs the build file when an event is published to the topic.

B.

Create a build trigger that runs the build file in response to a repository code being pushed to the development branch.

C.

Create a webhook build trigger that runs the build file in response to HTTP POST calls to the webhook URL.

D.

Create a Cron job that runs the following command every 24 hours: gcloud builds submit.

Your application is deployed on hundreds of Compute Engine instances in a managed instance group (MIG) in multiple zones. You need to deploy a new instance template to fix a critical vulnerability immediately but must avoid impact to your service. What setting should be made to the MIG after updating the instance template?

A.

Set the Max Surge to 100%.

B.

Set the Update mode to Opportunistic.

C.

Set the Maximum Unavailable to 100%.

D.

Set the Minimum Wait time to 0 seconds.

Your team develops services that run on Google Kubernetes Engine. You need to standardize their log data using Google-recommended practices and make the data more useful in the fewest number of steps. What should you do? (Choose two.)

A.

Create aggregated exports on application logs to BigQuery to facilitate log analytics.

B.

Create aggregated exports on application logs to Cloud Storage to facilitate log analytics.

C.

Write log output to standard output (stdout) as single-line JSON to be ingested into Cloud Logging as structured logs.

D.

Mandate the use of the Logging API in the application code to write structured logs to Cloud Logging.

E.

Mandate the use of the Pub/Sub API to write structured data to Pub/Sub and create a Dataflow streaming pipeline to normalize logs and write them to BigQuery for analytics.

You are deploying your applications on Compute Engine. One of your Compute Engine instances failed to launch. What should you do? (Choose two.)

A.

Determine whether your file system is corrupted.

B.

Access Compute Engine as a different SSH user.

C.

Troubleshoot firewall rules or routes on an instance.

D.

Check whether your instance boot disk is completely full.

E.

Check whether network traffic to or from your instance is being dropped.