[2022年02月20日] 無料Google Professional-Cloud-Developer試験問題と解答
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Google Professional-Cloud-Developer 認定試験の出題範囲：
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質問 22
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?
- A. Distribute the uploads across a large number of individual storage buckets.
- B. Use the XML API instead of the JSON API for interfacing with Cloud Storage.
- C. Pass the HTTP response codes back to clients that are invoking the uploads from your application.
- D. Limit the upload rate from your application clients so that the dormant bucket's peak request rate is reached more gradually.
正解: A
解説:
Reference:
https://cloud.google.com/storage/docs/request-rate
質問 23
You are using Cloud Build build to promote a Docker image to Development, Test, and Production environments. You need to ensure that the same Docker image is deployed to each of these environments.
How should you identify the Docker image in your build?
- A. Use a semantic version Docker image tag.
- B. Use a unique Docker image name.
- C. Use the digest of the Docker image.
- D. Use the latest Docker image tag.
正解: A
質問 24
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. Ask to have the binary added to the Cloud Build environment by filing a feature request against the Cloud Build public Issue Tracker.
- B. Include the binary in your Cloud Source Repositories repository and reference it in your build scripts.
- C. Build a custom cloud builder image and reference the image in your build steps.
- D. Download the binary from the internet during the build process.
正解: C
質問 25
You are building an API that will be used by Android and iOS apps The API must:
* Support HTTPs
* Minimize bandwidth cost
* Integrate easily with mobile apps
Which API architecture should you use?
- A. RESTful APIs
- B. SOAP-based APIs
- C. MQTT for APIs
- D. gRPC-based APIs
正解: A
解説:
Explanation/Reference: https://www.devteam.space/blog/how-to-build-restful-api-for-your-mobile-app/
質問 26
Your application is running in multiple Google Kubernetes Engine clusters. It is managed by a Deployment in each cluster. The Deployment has created multiple replicas of your Pod in each cluster. You want to view the logs sent to stdout for all of the replicas in your Deployment in all clusters. Which command should you use?
- A. gcloud logging read [PARAM]
- B. kubectl exec -it [PARAM] journalctl
- C. gcloud compute ssh [PARAM] --command= "sudo journalctl"
- D. kubectl logs [PARAM]
正解: C
質問 27
You are developing a JPEG image-resizing API hosted on Google Kubernetes Engine (GKE). Callers of the service will exist within the same GKE cluster. You want clients to be able to get the IP address of the service.
What should you do?
- A. Define a GKE Service. Clients should use the service name in the URL to connect to the service.
- B. Define a GKE Endpoint. Clients should get the endpoint name from Cloud DNS.
- C. Define a GKE Service. Clients should use the name of the A record in Cloud DNS to find the service's cluster IP address.
- D. Define a GKE Endpoint. Clients should get the endpoint name from the appropriate environment variable in the client container.
正解: D
解説:
Explanation
質問 28
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?
- A. Perform a rolling-action with maxHealthy set to 0, maxUnhealthy set to 1.
- B. Perform a rolling-action with maxSurge set to 1, maxUnavailable set to 0.
- C. Perform a rolling-action with maxSurge set to 0, maxUnavailable set to 1
- D. Perform a rolling-action with maxHealthy set to 1, maxUnhealthy set to 0.
正解: B
解説:
Explanation/Reference: https://cloud.google.com/compute/docs/instance-groups/rolling-out-updates-to-managed-instance- groups
質問 29
When would a technician need to use a positive 'no' with a customer? (Choose three.)
- A. The customer wants to purchase a new device.
- B. Apple introduces new product.
- C. The device is an obsolete device that we no longer service.
- D. The device is eligible for repair.
- E. The device is out of warranty.
- F. The technician does not feel like helping the customer.
- G. The customer is misinformed about service options.
正解: C,E,G
質問 30
HipLocal wants to improve the resilience of their MySQL deployment, while also meeting their business and technical requirements.
Which configuration should they choose?
- A. Replace the current single instance MySQL instance with Cloud SQL, and Google provides redundancy without further configuration.
- B. Replace the current single instance MySQL instance with Cloud SQL, and configure high availability.
- C. Use the current single instance MySQL on Compute Engine and several read-only MySQL servers on Compute Engine.
- D. Use the current single instance MySQL on Compute Engine, and replicate the data to Cloud SQL in an external master configuration.
正解: D
質問 31
From the following, select the best description of cosmetic condition that would be included in good case notes.
- A. Badly dinged in addition to crack
- B. Big ding; probably dropped or thrown
- C. Case is dented like it was dropped
- D. Significant dent in lower right corner suggests impact
正解: D
質問 32
April states she would like to use the cellular network from her iPhone to access the Internet for free on her Mac. What true statement can you give April?
- A. "Personal Hotspot can come with additional charges. You should contact your carrier."
- B. "Personal Hotspot is a great way to access the Internet for free!"
- C. "You must enable Personal Hotspot on your iPhone before the feature can work for free."
- D. "Personal Hotspot only works on CDMA networks."
正解: A
質問 33
Your code is running on Cloud Functions in project A.
It is supposed to write an object in a Cloud Storage bucket owned by project B.
However, the write call is failing with the error "403 Forbidden".
What should you do to correct the problem?
- A. Grant your user account the roles/storage.objectCreator role for the Cloud Storage bucket.
- B. Enable the Cloud Storage API in project B.
- C. Grant your user account the roles/iam.serviceAccountUser role for the service-PROJECTA@gcf-adminrobot.
iam.gserviceaccount.com service account. - D. Grant the [email protected] service account the roles/ storage.objectCreator role for the Cloud Storage bucket.
正解: C
質問 34
Which of the following expresses empathy rather than sympathy?
- A. I am sorry this happened to you. I can see why you may be disappointed
- B. Poor you! You must feel awful.
- C. I feel so sorry for you. I bet you feel disappointed.
- D. Oh, what a pity! This must make you feel disappointed.
正解: A
質問 35
You should use open questions to do which of the following?
- A. Check for understanding.
- B. Obtain the customer's warranty status.
- C. Greet the customer.
- D. Gather more information about an issue.
正解: D
質問 36
Please refer to the following information to answer the questions on the right.
Lucille has issues with her Apple device and takes it to an Apple Service Provider where Baron, a technician, assists her. Without much knowledge about the technical aspects of her device, Lucille vaguely describes the issues to Baron.
Which two of the following behaviors will not help Baron understand Lucille's issue? (Choose two.)
- A. Try to prove that Lucille is wrong about the issue.
- B. Remain silent until Lucille is done.
- C. Use appropriate body language to acknowledge Lucille's issue.
- D. Reflect what Lucille says.
- E. Immediately suggest a solution to Lucille.
正解: A,E
質問 37
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. gcloud dataproc 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. gsutil cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/
正解: D
解説:
The gsutil cp command allows you to copy data between your local file. storage. boto files generated by running "gsutil config"
質問 38
Which service should HipLocal use for their public APIs?
- A. Cloud Endpoints
- B. Shielded Virtual Machines
- C. Cloud Functions
- D. Cloud Armor
正解: B
質問 39
Your application requires service accounts to be authenticated to GCP products via credentials stored on its host Compute Engine virtual machine instances. You want to distribute these credentials to the host instances as securely as possible.
What should you do?
- A. Use HTTP signed URLs to securely provide access to the required resources.
- B. Generate a P12 file from the GCP Console after the instance is deployed, and copy the credentials to the host instance before starting the application.
- C. Use the instance's service account Application Default Credentials to authenticate to the required resources.
- D. Commit the credential JSON file into your application's source repository, and have your CI/CD process package it with the software that is deployed to the instance.
正解: C
解説:
Explanation/Reference: https://cloud.google.com/compute/docs/api/how-tos/authorization
質問 40
You have two tables in an ANSI-SQL compliant database with identical columns that you need to quickly combine into a single table, removing duplicate rows from the result set.
What should you do?
- A. Use the JOIN operator in SQL to combine the tables.
- B. Use nested WITH statements to combine the tables.
- C. Use the UNION ALL operator in SQL to combine the tables.
- D. Use the UNION operator in SQL to combine the tables.
正解: D
解説:
Explanation/Reference: https://www.techonthenet.com/sql/union_all.php
質問 41
Your API backend is running on multiple cloud providers. You want to generate reports for the network latency of your API.
Which two steps should you take? (Choose two.)
- A. Use Stackdriver Profiler to generate report.
- B. Use Fluentd agent to gather data.
- C. Use Stackdriver Debugger to generate report.
- D. Use Stackdriver Trace to generate reports.
- E. Use Zipkin collector to gather data.
正解: A,D
質問 42
In which of the following circumstances should a technician ensure that he or she is grounded to minimize ESD?
- A. The technician is working on a device that is plugged in to AC power.
- B. The technician is replacing a circuit board inside a device.
- C. The technician is conducting a current test on a device.
- D. The technician is cleaning the display on a device after reassembly.
正解: B
質問 43
You want to upload files from an on-premises virtual machine to Google Cloud Storage as part of a data igration. These files will be consumed by Cloud DataProc Hadoop cluster in a GCP environment.
Which command should you use?
- A. gcloud dataproc 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. gsutil cp [LOCAL_OBJECT] gs://[DESTINATION_BUCKET_NAME]/
正解: D
解説:
The gsutil cp command allows you to copy data between your local file. storage. boto files generated by running "gsutil config"
質問 44
Your application takes an input from a user and publishes it to the user's contacts. This input is stored in a table in Cloud Spanner. Your application is more sensitive to latency and less sensitive to consistency.
How should you perform reads from Cloud Spanner for this application?
- A. Perform strong reads using single-read methods.
- B. Perform stale reads using single-read methods.
- C. Perform stale reads using read-write transactions.
- D. Perform Read-Only transactions.
正解: C
解説:
Explanation/Reference: https://cloud.google.com/solutions/best-practices-cloud-spanner-gaming-database
質問 45
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?
- A. Replace your entire monitoring platform with Stackdriver.
- B. Install the Stackdriver agents on your Compute Engine instances.
- C. Migrate some traffic back to your old platform and perform AB testing on the two platforms concurrently.
- D. Use Stackdriver to capture and alert on logs, then ship them to your existing platform.
正解: B
解説:
Reference:
https://cloud.google.com/monitoring/
質問 46
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