Google Professional Cloud Developer Exam Questions Instant Access

Question 1

Your existing application keeps user state information in a single MySQL database. This state information is

very user-specific and depends heavily on how long a user has been using an application. The MySQL

database is causing challenges to maintain and enhance the schema for various users.

Which storage option should you choose?

ACloud SQL

BCloud Storage

CCloud Spanner

DCloud Datastore/Firestore

Answer : A

Question 2

You want to re-architect a monolithic application so that it follows a microservices model. You want to

accomplish this efficiently while minimizing the impact of this change to the business.

Which approach should you take?

ADeploy the application to Compute Engine and turn on autoscaling.

BReplace the application's features with appropriate microservices in phases.

CRefactor the monolithic application with appropriate microservices in a single effort and deploy it.

DBuild a new application with the appropriate microservices separate from the monolith and replace it when
it is complete.

Answer : C

Question 3

You configured your Compute Engine instance group to scale automatically according to overall CPU usage. However, your application's response latency increases sharply before the cluster has finished adding up instances. You want to provide a more consistent latency experience for your end users by changing the configuration ot the instance group autoscaler. Which two configuration changes should you make? (Choose two.)

AAdd the label ''AUTOSCALE'' to the instance group template.

BDecrease the cool-down period for instances added to the group.

CIncrease the target CPU usage for the instance group autoscaler.

DDecrease the target CPU usage for the instance group autoscaler.

ERemove the health-check for individual VMs in the instance group.

Answer : A, C

Question 4

You are using Cloud Run to host a web application. You need to securely obtain the application project ID and region where the application is running and display this information to users. You want to use the most performant approach. What should you do?

AUse HTTP requests to query the available metadata server at the http://metadata.google.internal/ endpoint with the Metadata-Flavor: Google header.

BIn the Google Cloud console, navigate to the Project Dashboard and gather configuration details. Navigate to the Cloud Run ''Variables & Secrets'' tab, and add the desired environment variables in Key:Value format.

CIn the Google Cloud console, navigate to the Project Dashboard and gather configuration details. Write the application configuration information to Cloud Run's in-memory container filesystem.

DMake an API call to the Cloud Asset Inventory API from the application and format the request to include instance metadata.

Answer : B

Question 5

Your operations team has asked you to create a script that lists the Cloud Bigtable, Memorystore, and Cloud SQL databases running within a project. The script should allow users to submit a filter expression to limit the results presented. How should you retrieve the data?

AUse the HBase API, Redis API, and MySQL connection to retrieve database lists. Combine the results, and then apply the filter to display the results

BUse the HBase API, Redis API, and MySQL connection to retrieve database lists. Filter the results individually, and then combine them to display the results

CRun gcloud bigtable instances list, gcloud redis instances list, and gcloud sql databases list. Use a filter within the application, and then display the results

DRun gcloud bigtable instances list, gcloud redis instances list, and gcloud sql databases list. Use --filter flag with each command, and then display the results

Answer : D

https://cloud.google.com/sdk/gcloud/reference/topic/filters

Most gcloud commands return a list of resources on success. By default they are pretty-printed on the standard output. The --format=NAME[ATTRIBUTES](PROJECTION) and --filter=EXPRESSION flags along with projections can be used to format and change the default output to a more meaningful result. Use the --format flag to change the default output format of a command. For details run $ gcloud topic formats.

Question 6

You are writing a Compute Engine hosted application in project A that needs to securely authenticate to a Cloud Pub/Sub topic in project B.

What should you do?

AConfigure the instances with a service account owned by project B. Add the service account as a Cloud Pub/Sub publisher to project A.

BConfigure the instances with a service account owned by project A. Add the service account as a publisher on the topic.

CConfigure Application Default Credentials to use the private key of a service account owned by project B. Add the service account as a Cloud Pub/Sub publisher to project A.

DConfigure Application Default Credentials to use the private key of a service account owned by project A. Add the service account as a publisher on the topic

Answer : B

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

'For example, suppose a service account in Cloud Project A wants to publish messages to a topic in Cloud Project B. You could accomplish this by granting the service account Edit permission in Cloud Project B'

Question 7

You have an application deployed in production. When a new version is deployed, some issues don't arise until the application receives traffic from users in production. You want to reduce both the impact and the number of users affected.

Which deployment strategy should you use?

ABlue/green deployment

BCanary deployment

CRolling deployment

DRecreate deployment

Answer : A