Most Recent Google Professional-Cloud-Developer Exam Questions & Answers

Prepare for the Google Professional Cloud Developer exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Google Professional-Cloud-Developer exam and achieve success.

The questions for Professional-Cloud-Developer were last updated on Jan 20, 2025.

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Question No. 1

You recently deployed a Go application on Google Kubernetes Engine (GKE). The operations team has noticed that the application's CPU usage is high even when there is low production traffic. The operations team has asked you to optimize your application's CPU resource consumption. You want to determine which Go functions consume the largest amount of CPU. What should you do?

ADeploy a Fluent Bit daemonset on the GKE cluster to log data in Cloud Logging. Analyze the logs to get insights into your application code's performance.

BCreate a custom dashboard in Cloud Monitoring to evaluate the CPU performance metrics of your application.

CConnect to your GKE nodes using SSH. Run the top command on the shell to extract the CPU utilization of your application.

DModify your Go application to capture profiling data. Analyze the CPU metrics of your application in flame graphs in Profiler.

Show Answer

Correct Answer: D

https://cloud.google.com/profiler/docs/about-profiler

Cloud Profiler is a statistical, low-overhead profiler that continuously gathers CPU usage and memory-allocation information from your production applications. It attributes that information to the source code that generated it, helping you identify the parts of your application that are consuming the most resources, and otherwise illuminating your applications performance characteristics.

https://cloud.google.com/profiler/docs

Question No. 2

You migrated your applications to Google Cloud Platform and kept your existing monitoring platform. You now

find that your notification system is too slow for time critical problems.

What should you do?

AReplace your entire monitoring platform with Stackdriver.

BInstall the Stackdriver agents on your Compute Engine instances.

CUse Stackdriver to capture and alert on logs, then ship them to your existing platform.

DMigrate some traffic back to your old platform and perform AB testing on the two platforms concurrently.

Show Answer

Correct Answer: B

Question No. 3

You recently migrated an on-premises monolithic application to a microservices application on Google Kubernetes Engine (GKE). The application has dependencies on backend services on-premises, including a CRM system and a MySQL database that contains personally identifiable information (PII). The backend services must remain on-premises to meet regulatory requirements.

You established a Cloud VPN connection between your on-premises data center and Google Cloud. You notice that some requests from your microservices application on GKE to the backend services are failing due to latency issues caused by fluctuating bandwidth, which is causing the application to crash. How should you address the latency issues?

AUse Memorystore to cache frequently accessed PII data from the on-premises MySQL database

BUse Istio to create a service mesh that includes the microservices on GKE and the on-premises services

CIncrease the number of Cloud VPN tunnels for the connection between Google Cloud and the on-premises services

DDecrease the network layer packet size by decreasing the Maximum Transmission Unit (MTU) value from its default value on Cloud VPN

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Correct Answer: C

https://cloud.google.com/network-connectivity/docs/vpn/concepts/choosing-networks-routing#route-alignment

Question No. 4

Your teammate has asked you to review the code below, which is adding a credit to an account balance in Cloud Datastore. Which improvement should you suggest your teammate make?

AGet the entity with an ancestor query.

BGet and put the entity in a transaction.

CUse a strongly consistent transactional database.

DDon't return the account entity from the function.

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Correct Answer: A

Question No. 5

You are developing an application that will allow users to read and post comments on news articles. You want to configure your application to store and display user-submitted comments using Firestore. How should you design the schema to support an unknown number of comments and articles?

AStore each comment in a subcollection of the article.

BAdd each comment to an array property on the article.

CStore each comment in a document, and add the comment's key to an array property on the article.

DStore each comment in a document, and add the comment's key to an array property on the user profile.

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Correct Answer: D

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