Professional Cloud Developer 시험 - Google실제시험문제와 답 - 50문항

Question No : 1

You are developing an HTTP API hosted on a Compute Engine virtual machine instance that needs to be invoked by multiple clients within the same Virtual Private Cloud (VPC). You want clients to be able to get the IP address of the service.
What should you do?

A.Reserve a static external IP address and assign it to an HTTP(S) load balancing service's forwarding rule. Clients should use this IP address to connect to the service.
B.Reserve a static external IP address and assign it to an HTTP(S) load balancing service's forwarding rule. Then, define an A record in Cloud DN
C.Clients should use the name of the A record to connect to the service.
D.Ensure that clients use Compute Engine internal DNS by connecting to the instance name with the url https://[INSTANCE_NAME].[ZONE].c.[PROJECT_ID].internal/.
E.Ensure that clients use Compute Engine internal DNS by connecting to the instance name with the url https://[API_NAME]/[API_VERSION]/.

정답:

Question No : 2

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?

A.With an OAuth Client ID that uses the https://www.googleapis.com/auth/drive.file scope to obtain an access token for each user.
B.With an OAuth Client ID with delegated domain-wide authority.
C.With the App Engine service account and https://www.googleapis.com/auth/drive.file scope that generates a signed JW
D.With the App Engine service account with delegated domain-wide authority.

정답:
Explanation:
Reference: https://developers.google.com/drive/api/v3/about-auth

Question No : 3

You want to upload files from an on-premises virtual machine to Google Cloud Storage as part of a data migration. These files will be consumed by Cloud DataProc Hadoop cluster in a GCP environment.
Which command should you use?

A.gsutil cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/
B.gcloud cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/
C.hadoop fs cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/
D.gcloud dataproc cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/

정답:
Explanation:
The gsutil cp command allows you to copy data between your local file. storage. boto files generated by running "gsutil config"

Question No : 4

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?
A. Request additional GKE quota is the GCP Console.
B. Request additional Compute Engine quota in the GCP Console.
C. Open a support case to request additional GKE quotA.
D. Decouple services in the cluster, and rewrite new clusters to function with fewer cores.

정답: A

Question No : 5

You are deploying your application to a Compute Engine virtual machine instance. Your application is configured to write its log files to disk. You want to view the logs in Stackdriver Logging without changing the application code.
What should you do?

A.Install the Stackdriver Logging Agent and configure it to send the application logs.
B.Use a Stackdriver Logging Library to log directly from the application to Stackdriver Logging.
C.Provide the log file folder path in the metadata of the instance to configure it to send the application logs.
D.Change the application to log to /var/log so that its logs are automatically sent to Stackdriver Logging.

정답:

Question No : 6

You need to migrate an internal file upload API with an enforced 500-MB file size limit to App Engine.
What should you do?

A.Use FTP to upload files.
B.Use CPanel to upload files.
C.Use signed URLs to upload files.
D.Change the API to be a multipart file upload AP

정답:
Explanation:
Reference: https://wiki.christophchamp.com/index.php?title=Google_Cloud_Platform

Question No : 7

You want to use the Stackdriver Logging Agent to send an application's log file to Stackdriver from a Compute Engine virtual machine instance.
After installing the Stackdriver Logging Agent, what should you do first?

A.Enable the Error Reporting API on the project.
B.Grant the instance full access to all Cloud APIs.
C.Configure the application log file as a custom source.
D.Create a Stackdriver Logs Export Sink with a filter that matches the application's log entries.

정답:

Question No : 8

Your company wants to expand their users outside the United States for their popular application. The company wants to ensure 99.999% availability of the database for their application and also wants to minimize the read latency for their users across the globe.
Which two actions should they take? (Choose two.)

A.Create a multi-regional Cloud Spanner instance with "nam-asia-eur1" configuration.
B.Create a multi-regional Cloud Spanner instance with "nam3" configuration.
C.Create a cluster with at least 3 Spanner nodes.
D.Create a cluster with at least 1 Spanner node.
E.Create a minimum of two Cloud Spanner instances in separate regions with at least one node.
F.Create a Cloud Dataflow pipeline to replicate data across different databases.

정답:

Question No : 9

Your application is controlled by a managed instance group. You want to share a large read-only data set between all the instances in the managed instance group. You want to ensure that each instance can start quickly and can access the data set via its filesystem with very low latency. You also want to minimize the total cost of the solution.
What should you do?

A.Move the data to a Cloud Storage bucket, and mount the bucket on the filesystem using Cloud Storage FUS
B.Move the data to a Cloud Storage bucket, and copy the data to the boot disk of the instance via a startup script.
C.Move the data to a Compute Engine persistent disk, and attach the disk in read-only mode to multiple Compute Engine virtual machine instances.
D.Move the data to a Compute Engine persistent disk, take a snapshot, create multiple disks from the snapshot, and attach each disk to its own instance.

정답:

Question No : 10

You are designing a schema for a table that will be moved from MySQL to Cloud Bigtable.
The MySQL table is as follows:

How should you design a row key for Cloud Bigtable for this table?

A.Set Account_id as a key.
B.Set Account_id_Event_timestamp as a key.
C.Set Event_timestamp_Account_id as a key.
D.Set Event_timestamp as a key.

정답:

Question No : 11

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 C 1 GB in size. You want to minimize their infrastructure operations overhead for this feature.
What should you do?

A.Change the application to accept images directly and store them in the database that stores other user information.
B.Change the application to create signed URLs for Cloud Storage. Transfer these signed URLs to the client application to upload images to Cloud Storage.
C.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.
D.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.

정답:
Explanation:
Reference: https://cloud.google.com/blog/products/storage-data-transfer/uploading-images-directly-to-cloud-storage-by-using-signed-url

Question No : 12

Your teammate has asked you to review the code below.
Its purpose is to efficiently add a large number of small rows to a BigQuery table.

Which improvement should you suggest your teammate make?

A.Include multiple rows with each request.
B.Perform the inserts in parallel by creating multiple threads.
C.Write each row to a Cloud Storage object, then load into BigQuery.
D.Write each row to a Cloud Storage object in parallel, then load into BigQuery.

정답:

Question No : 13

Your application is logging to Stackdriver. You want to get the count of all requests on all /api/alpha/* endpoints.
What should you do?
A. Add a Stackdriver counter metric for path:/api/alpha/.
B. Add a Stackdriver counter metric for endpoint:/api/alpha/*.
C. Export the logs to Cloud Storage and count lines matching /api/alphA.
D. Export the logs to Cloud Pub/Sub and count lines matching /api/alphA.

정답: C

Question No : 14

You are using Cloud Build to build and test application source code stored in Cloud Source Repositories. The build process requires a build tool not available in the Cloud Build environment.
What should you do?

A.Download the binary from the internet during the build process.
B.Build a custom cloud builder image and reference the image in your build steps.
C.Include the binary in your Cloud Source Repositories repository and reference it in your build scripts.
D.Ask to have the binary added to the Cloud Build environment by filing a feature request against the Cloud Build public Issue Tracker.

정답:

Question No : 15

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?

A.Enable private IP for the Cloud SQL instance.
B.Whitelist a project to access Cloud SQL, and add Compute Engine instances in the whitelisted project.
C.Create a role in Cloud SQL that allows access to the database from external instances, and assign the Compute Engine instances to that role.
D.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 CloudSQ

정답:
Explanation:
Reference: https://cloud.google.com/sql/docs/mysql/connect-external-app

Google Professional Cloud Developer 시험