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Google Professional Cloud Developer Practice Test - Questions Answers, Page 2

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Question 11

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You migrated some of your applications to Google Cloud. You are using a legacy monitoring platform deployed on-premises for both on-premises and cloud-deployed applications. You discover that your n

Question 12

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You recently deployed your application in Google Kubernetes Engine, and now need to release a new version of your application. You need the ability to instantly roll back to the previous version in

Question 13

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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 yo

Question 14

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You are planning to migrate a MySQL database to the managed Cloud SQL database for Google Cloud. You have Compute Engine virtual machine instances that will connect with this Cloud SQL instance. You

Question 15

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You have deployed an HTTP(s) Load Balancer with the gcloud commands shown below. Health checks to port 80 on the Compute Engine virtual machine instance are failing and no traffic is sent to your

Question 16

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Your website is deployed on Compute Engine. Your marketing team wants to test conversion rates between 3 different website designs. Which approach should you use?

Question 17

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You need to copy directory local-scripts and all of its contents from your local workstation to a Compute Engine virtual machine instance. Which command should you use?

Question 18

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You are creating an App Engine application that writes a file to any user's Google Drive. How should the application authenticate to the Google Drive API?

Question 19

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You are creating a Google Kubernetes Engine (GKE) cluster and run this command: The command fails with the error: You want to resolve the issue. What should you do?

Question 20

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You are parsing a log file that contains three columns: a timestamp, an account number (a string), and a transaction amount (a number). You want to calculate the sum of all transaction amounts for e

Related questions

HipLocal wants to reduce the number of on-call engineers and eliminate manual scaling. Which two services should they choose? (Choose two.)

You work at a rapidly growing financial technology startup. You manage the payment processing application written in Go and hosted on Cloud Run in the Singapore region (asia-southeast1). The payment processing application processes data stored in a Cloud Storage bucket that is also located in the Singapore region. The startup plans to expand further into the Asia Pacific region. You plan to deploy the Payment Gateway in Jakarta, Hong Kong, and Taiwan over the next six months. Each location has data residency requirements that require customer data to reside in the country where the transaction was made. You want to minimize the cost of these deployments. What should you do?

You manage a microservice-based ecommerce platform on Google Cloud that sends confirmation emails to a third-party email service provider using a Cloud Function. Your company just launched a marketing campaign, and some customers are reporting that they have not received order confirmation emails. You discover that the services triggering the Cloud Function are receiving HTTP 500 errors. You need to change the way emails are handled to minimize email loss. What should you do?

You have an application running in a production Google Kubernetes Engine (GKE) cluster. You use Cloud Deploy to automatically deploy your application to your production GKE cluster. As part of your development process: you are planning to make frequent changes to the applications source code and need to select the tools to test the changes before pushing them to your remote source code repository. Your toolset must meet the following requirements: * Test frequent local changes automatically. * Local deployment emulates production deployment. Which tools should you use to test building and running a container on your laptop using minimal resources'?

Your service adds text to images that it reads from Cloud Storage. During busy times of the year, requests to Cloud Storage fail with an HTTP 429 'Too Many Requests' status code. How should you handle this error?

Your company has a BigQuery dataset named 'Master' that keeps information about employee travel and expenses. This information is organized by employee department. That means employees should only be able to view information for their department. You want to apply a security framework to enforce this requirement with the minimum number of steps. What should you do?

You work for an organization that manages an online ecommerce website. Your company plans to expand across the world; however, the estore currently serves one specific region. You need to select a SQL database and configure a schema that will scale as your organization grows. You want to create a table that stores all customer transactions and ensure that the customer (CustomerId) and the transaction (TransactionId) are unique. What should you do?

You are using Cloud Run to host a global ecommerce web application. Your company's design team is creating a new color scheme for the web app. You have been tasked with determining whether the new color scheme will increase sales You want to conduct testing on live production traffic How should you design the study?

You are developing an online gaming platform as a microservices application on Google Kubernetes Engine (GKE). Users on social media are complaining about long loading times for certain URL requests to the application. You need to investigate performance bottlenecks in the application and identify which HTTP requests have a significantly high latency span in user requests. What should you do9

You are load testing your server application. During the first 30 seconds, you observe that a previously inactive Cloud Storage bucket is now servicing 2000 write requests per second and 7500 read requests per second. Your application is now receiving intermittent 5xx and 429 HTTP responses from the Cloud Storage JSON API as the demand escalates. You want to decrease the failed responses from the Cloud Storage API. What should you do?

Question 11

You migrated some of your applications to Google Cloud. You are using a legacy monitoring platform deployed on-premises for both on-premises and cloud-deployed applications. You discover that your notification system is responding slowly to time-critical problems in the cloud applications. What should you do?

Replace your monitoring platform with Cloud Monitoring.

Install the Cloud Monitoring agent on your Compute Engine instances.

Migrate some traffic back to your old platform. Perform A/B testing on the two platforms concurrently.

Use Cloud Logging and Cloud Monitoring to capture logs, monitor, and send alerts. Send them to your existing platform.

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Question 12

You recently deployed your application in Google Kubernetes Engine, and now need to release a new version of your application. You need the ability to instantly roll back to the previous version in case there are issues with the new version. Which deployment model should you use?

Perform a rolling deployment, and test your new application after the deployment is complete.

Perform A/B testing, and test your application periodically after the new tests are implemented.

Perform a blue/green deployment, and test your new application after the deployment is. complete.

Perform a canary deployment, and test your new application periodically after the new version is deployed.

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Question 13

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?

Replace your entire monitoring platform with Stackdriver.

Install the Stackdriver agents on your Compute Engine instances.

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

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

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Question 14

You are planning to migrate a MySQL database to the managed Cloud SQL database for Google Cloud. You have Compute Engine virtual machine instances that will connect with this Cloud SQL instance. You do not want to whitelist IPs for the Compute Engine instances to be able to access Cloud SQL.

What should you do?

Enable private IP for the Cloud SQL instance.

Whitelist a project to access Cloud SQL, and add Compute Engine instances in the whitelisted project.

Create a role in Cloud SQL that allows access to the database from external instances, and assign the Compute Engine instances to that role.

Create a CloudSQL instance on one project. Create Compute engine instances in a different project. Create a VPN between these two projects to allow internal access to CloudSQL.

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Question 15

You have deployed an HTTP(s) Load Balancer with the gcloud commands shown below.

Health checks to port 80 on the Compute Engine virtual machine instance are failing and no traffic is sent to your instances. You want to resolve the problem.

Which commands should you run?

gcloud compute instances add-access-config ${NAME}-backend-instance-1

gcloud compute instances add-tags ${NAME}-backend-instance-1 --tags http-server

gcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --source-ranges 130.211.0.0/22,35.191.0.0/16 --direction INGRESS

gcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --destination-ranges 130.211.0.0/22,35.191.0.0/16 --direction EGRESS

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Question 16

Your website is deployed on Compute Engine. Your marketing team wants to test conversion rates between 3 different website designs.

Which approach should you use?

Deploy the website on App Engine and use traffic splitting.

Deploy the website on App Engine as three separate services.

Deploy the website on Cloud Functions and use traffic splitting.

Deploy the website on Cloud Functions as three separate functions.

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Question 17

You need to copy directory local-scripts and all of its contents from your local workstation to a Compute Engine virtual machine instance.

Which command should you use?

gsutil cp --project ''my-gcp-project'' -r ~/local-scripts/ gcp-instance-name:~/ server-scripts/ --zone ''us-east1-b''

gsutil cp --project ''my-gcp-project'' -R ~/local-scripts/ gcp-instance-name:~/ server-scripts/ --zone ''us-east1-b''

gcloud compute scp --project ''my-gcp-project'' --recurse ~/local-scripts/ gcpinstance- name:~/server-scripts/ --zone ''us-east1-b''

gcloud compute mv --project ''my-gcp-project'' --recurse ~/local-scripts/ gcpinstance- name:~/server-scripts/ --zone ''us-east1-b''

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Question 18

You are creating an App Engine application that writes a file to any user's Google Drive.

How should the application authenticate to the Google Drive API?

With an OAuth Client ID that uses the https://www.googleapis.com/auth/drive.file scope to obtain an access token for each user.

With an OAuth Client ID with delegated domain-wide authority.

With the App Engine service account and https://www.googleapis.com/auth/drive.file scope that generates a signed JWT.

With the App Engine service account with delegated domain-wide authority.

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Question 19

You are creating a Google Kubernetes Engine (GKE) cluster and run this command:

The command fails with the error:

You want to resolve the issue. What should you do?

Request additional GKE quota is the GCP Console.

Request additional Compute Engine quota in the GCP Console.

Open a support case to request additional GKE quotA.

Decouple services in the cluster, and rewrite new clusters to function with fewer cores.

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Question 20

You are parsing a log file that contains three columns: a timestamp, an account number (a string), and a transaction amount (a number). You want to calculate the sum of all transaction amounts for each unique account number efficiently.

Which data structure should you use?

A linked list

A hash table

A two-dimensional array

A comma-delimited string

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