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Google Professional Cloud Developer Practice Test - Questions Answers, Page 9

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Question 81

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You are working on a social media application. You plan to add a feature that allows users to upload images. These images will be 2 MB -- 1 GB in size. You want to minimize their infrastructure oper

Question 82

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Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deplo

Question 83

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Your application performs well when tested locally, but it runs significantly slower when you deploy it to App Engine standard environment. You want to diagnose the problem. What should you do?

Question 84

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You have an application running in App Engine. Your application is instrumented with Stackdriver Trace. The /product-details request reports details about four known unique products at /sku-details

Question 85

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Your company has a data warehouse that keeps your application information in BigQuery. The BigQuery data warehouse keeps 2 PBs of user data. Recently, your company expanded your user base to include

Question 86

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Your App Engine standard configuration is as follows: service: production instance_class: B1 You want to limit the application to 5 instances. Which code snippet should you include in your config

Question 87

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Your analytics system executes queries against a BigQuery dataset. The SQL query is executed in batch and passes the contents of a SQL file to the BigQuery CLI. Then it redirects the BigQuery CLI ou

Question 88

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Your application is running on Compute Engine and is showing sustained failures for a small number of requests. You have narrowed the cause down to a single Compute Engine instance, but the instance

Question 89

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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 finishe

Question 90

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You have an application controlled by a managed instance group. When you deploy a new version of the application, costs should be minimized and the number of instances should not increase. You want

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 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?

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?

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 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?

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

Question 81

You are working on a social media application. You plan to add a feature that allows users to upload images. These images will be 2 MB -- 1 GB in size. You want to minimize their infrastructure operations overhead for this feature. What should you do?

Change the application to accept images directly and store them in the database that stores other user information.

Change the application to create signed URLs for Cloud Storage. Transfer these signed URLs to the client application to upload images to Cloud Storage.

Set up a web server on GCP to accept user images and create a file store to keep uploaded files. Change the application to retrieve images from the file store.

Create a separate bucket for each user in Cloud Storage. Assign a separate service account to allow write access on each bucket. Transfer service account credentials to the client application based on user information. The application uses this service account to upload images to Cloud Storage.

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Question 82

Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deployment requires a unique set of configuration values. You want to provide these unique values to each deployment but use the same custom machine image in all deployments. You want to use out-of-the-box features of Compute Engine. What should you do?

Place the unique configuration values in the persistent disk.

Place the unique configuration values in a Cloud Bigtable table.

Place the unique configuration values in the instance template startup script.

Place the unique configuration values in the instance template instance metadata.

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Question 83

Your application performs well when tested locally, but it runs significantly slower when you deploy it to App Engine standard environment. You want to diagnose the problem. What should you do?

File a ticket with Cloud Support indicating that the application performs faster locally.

Use Stackdriver Debugger Snapshots to look at a point-in-time execution of the application.

Use Stackdriver Trace to determine which functions within the application have higher latency.

Add logging commands to the application and use Stackdriver Logging to check where the latency problem occurs.

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Question 84

You have an application running in App Engine. Your application is instrumented with Stackdriver Trace. The /product-details request reports details about four known unique products at /sku-details as shown below. You want to reduce the time it takes for the request to complete. What should you do?

Increase the size of the instance class.

Change the Persistent Disk type to SSD.

Change /product-details to perform the requests in parallel.

Store the /sku-details information in a database, and replace the webservice call with a database query.

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Question 85

Your company has a data warehouse that keeps your application information in BigQuery. The BigQuery data warehouse keeps 2 PBs of user data. Recently, your company expanded your user base to include EU users and needs to comply with these requirements:

Your company must be able to delete all user account information upon user request.

All EU user data must be stored in a single region specifically for EU users.

Which two actions should you take? (Choose two.)

Use BigQuery federated queries to query data from Cloud Storage.

Create a dataset in the EU region that will keep information about EU users only.

Create a Cloud Storage bucket in the EU region to store information for EU users only.

Re-upload your data using to a Cloud Dataflow pipeline by filtering your user records out.

Use DML statements in BigQuery to update/delete user records based on their requests.

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Question 86

Your App Engine standard configuration is as follows:

service: production

instance_class: B1

You want to limit the application to 5 instances. Which code snippet should you include in your configuration?

manual_scaling:instances: 5min_pending_latency: 30ms

manual_scaling:max_instances: 5idle_timeout: 10m

basic_scaling:instances: 5min_pending_latency: 30ms

basic_scaling:max_instances: 5idle_timeout: 10m

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Question 87

Your analytics system executes queries against a BigQuery dataset. The SQL query is executed in batch and passes the contents of a SQL file to the BigQuery CLI. Then it redirects the BigQuery CLI output to another process. However, you are getting a permission error from the BigQuery CLI when the queries are executed. You want to resolve the issue. What should you do?

Grant the service account BigQuery Data Viewer and BigQuery Job User roles.

Grant the service account BigQuery Data Editor and BigQuery Data Viewer roles.

Create a view in BigQuery from the SQL query and SELECT* from the view in the CLI.

Create a new dataset in BigQuery, and copy the source table to the new dataset Query the new dataset and table from the CLI.

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Question 88

Your application is running on Compute Engine and is showing sustained failures for a small number of requests. You have narrowed the cause down to a single Compute Engine instance, but the instance is unresponsive to SSH. What should you do next?

Reboot the machine.

Enable and check the serial port output.

Delete the machine and create a new one.

Take a snapshot of the disk and attach it to a new machine.

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Question 89

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.)

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

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

Increase the target CPU usage for the instance group autoscaler.

Decrease the target CPU usage for the instance group autoscaler.

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

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Question 90

You have an application controlled by a managed instance group. When you deploy a new version of the application, costs should be minimized and the number of instances should not increase. You want to ensure that, when each new instance is created, the deployment only continues if the new instance is healthy. What should you do?

Perform a rolling-action with maxSurge set to 1, maxUnavailable set to 0.

Perform a rolling-action with maxSurge set to 0, maxUnavailable set to 1

Perform a rolling-action with maxHealthy set to 1, maxUnhealthy set to 0.

Perform a rolling-action with maxHealthy set to 0, maxUnhealthy set to 1.

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