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Cloud Developer問題集でProfessional-Cloud-Developer試験完全版問題で試験学習ガイド
質問 16
Your code is running on Cloud Functions in projectA . 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 17
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 18
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 19
Your application is deployed in a Google Kubernetes Engine (GKE) cluster. When a new version of your application is released, your CI/CD tool updates the spec.template.spec.containers[0].image value to reference the Docker image of your new application version. When the Deployment object applies the change, you want to deploy at least 1 replica of the new version and maintain the previous replicas until the new replica is healthy.
Which change should you make to the GKE Deployment object shown below?
- A. Set the Deployment strategy to Recreate with maxSurge set to 0, maxUnavailable set to 1.
- B. Set the Deployment strategy to RollingUpdate with maxSurge set to 1, maxUnavailable set to 0.
- C. Set the Deployment strategy to RollingUpdate with maxSurge set to 0, maxUnavailable set to 1.
- D. Set the Deployment strategy to Recreate with maxSurge set to 1, maxUnavailable set to 0.
正解: D
質問 20
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 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. - D. Create a role in Cloud SQL that allows access to the database from external instances, and assign the Compute Engine instances to that role.
正解: D
解説:
Reference:
https://cloud.google.com/sql/docs/mysql/connect-external-app
質問 21
Case study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Company Overview
HipLocal is a community application designed to facilitate communication between people in close proximity. It is used for event planning and organizing sporting events, and for businesses to connect with their local communities. HipLocal launched recently in a few neighborhoods in Dallas and is rapidly growing into a global phenomenon. Its unique style of hyper-local community communication and business outreach is in demand around the world.
Executive Statement
We are the number one local community app; it's time to take our local community services global. Our venture capital investors want to see rapid growth and the same great experience for new local and virtual communities that come online, whether their members are 10 or 10000 miles away from each other.
Solution Concept
HipLocal wants to expand their existing service, with updated functionality, in new regions to better serve their global customers. They want to hire and train a new team to support these regions in their time zones. They will need to ensure that the application scales smoothly and provides clear uptime data.
Existing Technical Environment
HipLocal's environment is a mix of on-premises hardware and infrastructure running in Google Cloud Platform.
The HipLocal team understands their application well, but has limited experience in global scale applications.
Their existing technical environment is as follows:
* Existing APIs run on Compute Engine virtual machine instances hosted in GCP.
* State is stored in a single instance MySQL database in GCP.
* Data is exported to an on-premises Teradata/Vertica data warehouse.
* Data analytics is performed in an on-premises Hadoop environment.
* The application has no logging.
* There are basic indicators of uptime; alerts are frequently fired when the APIs are unresponsive.
Business Requirements
HipLocal's investors want to expand their footprint and support the increase in demand they are seeing. Their requirements are:
* Expand availability of the application to new regions.
* Increase the number of concurrent users that can be supported.
* Ensure a consistent experience for users when they travel to different regions.
* Obtain user activity metrics to better understand how to monetize their product.
* Ensure compliance with regulations in the new regions (for example, GDPR).
* Reduce infrastructure management time and cost.
* Adopt the Google-recommended practices for cloud computing.
Technical Requirements
* The application and backend must provide usage metrics and monitoring.
* APIs require strong authentication and authorization.
* Logging must be increased, and data should be stored in a cloud analytics platform.
* Move to serverless architecture to facilitate elastic scaling.
* Provide authorized access to internal apps in a secure manner.
Which service should HipLocal use to enable access to internal apps?
- A. Cloud Identity-Aware Proxy
- B. Cloud VPN
- C. Virtual Private Cloud
- D. Cloud Armor
正解: A
解説:
Explanation/Reference: https://cloud.google.com/iap/docs/cloud-iap-for-on-prem-apps-overview
質問 22
A computer service technician says, "I don't use ESD precautions and have never had a problem." Which of the following is the correct response to this statement?
- A. ESD damage may not appear immediately.
- B. ESD damage is really not as bad as everyone thinks.
- C. ESD only occurs in very rare circumstances.
- D. ESD happens only to inexperienced technicians.
正解: C
解説:
Explanation/Reference: https://electronics.stackexchange.com/questions/2945/should-i-be-worried-about-electro-static- discharge
質問 23
Wendell explains that his iPhone X is dropping calls. Which of the following is an open question that would best help you further evaluate the issue with Wendell?
- A. Are you in an elevator or a parking garage when the iPhone drops the calls?
- B. Could you please tell me about the situations when your iPhone drops calls?
- C. Do you find that you are driving in a car when these dropped calls occur?
- D. How is the rest of your experience with the iPhone, aside from the dropped calls?
正解: B
質問 24
You are planning to deploy your application in a Google Kubernetes Engine (GKE) cluster The application exposes an HTTP-based health check at /healthz. You want to use this health check endpoint to determine whether traffic should be routed to the pod by the load balancer.
Which code snippet should you include in your Pod configuration?
- A. Option D
- B. Option A
- C. Option B
- D. Option C
正解: C
解説:
For the GKE ingress controller to use your readinessProbes as health checks, the Pods for an Ingress must exist at the time of Ingress creation. If your replicas are scaled to 0, the default health check will apply.
質問 25
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?
- A. Use Stackdriver Trace to determine which functions within the application have higher latency.
- B. Add logging commands to the application and use Stackdriver Logging to check where the latency problem occurs.
- C. File a ticket with Cloud Support indicating that the application performs faster locally.
- D. Use Stackdriver Debugger Snapshots to look at a point-in-time execution of the application.
正解: B
解説:
Explanation
質問 26
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 27
- 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? - B. Grant your user account the roles/storage.objectCreator role for the Cloud Storage bucket.
- C. Enable the Cloud Storage API in project B.
- D. Grant the [email protected] service account the roles/ storage.objectCreator role for the Cloud Storage bucket.
- E. Grant your user account the roles/iam.serviceAccountUser role for the service-PROJECTA@gcf-admin- robot.iam.gserviceaccount.com service account.
正解: E
質問 28
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. Decouple services in the cluster, and rewrite new clusters to function with fewer cores.
- C. Request additional Compute Engine quota in the GCP Console.
- D. Open a support case to request additional GKE quotA.
正解: A
質問 29
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?
- A. Change the application to create signed URLs for Cloud Storage. Transfer these signed URLs to the client application to upload images to Cloud Storage.
- B. 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.
- C. Change the application to accept images directly and store them in the database that stores other user information.
- D. 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.
正解: A
解説:
Reference:
https://cloud.google.com/blog/products/storage-data-transfer/uploading-images-directly-to-cloud-storage-by-using-signed-url
質問 30
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?
- A. Grant the service account BigQuery Data Viewer and BigQuery Job User roles.
- B. Create a view in BigQuery from the SQL query and SELECT* from the view in the CLI.
- C. Create a new dataset in BigQuery, and copy the source table to the new dataset Query the new dataset and table from the CLI.
- D. Grant the service account BigQuery Data Editor and BigQuery Data Viewer roles.
正解: D
質問 31
You want to notify on-call engineers about a service degradation in production while minimizing development time.
What should you do?
- A. Use Stackdriver Error Reporting to capture errors and raise alerts.
- B. Use Cloud Pub/Sub to monitor resources and raise alerts.
- C. Use Stackdriver Monitoring to monitor resources and raise alerts.
- D. Use Cloud Function to monitor resources and raise alerts.
正解: D
質問 32
You want to view the memory usage of your application deployed on Compute Engine. What should you do?
- A. Use the Stackdriver Metrics Explorer.
- B. Install the Stackdriver Client Library.
- C. Install the Stackdriver Monitoring Agent.
- D. Use the Google Cloud Platform Console.
正解: A
解説:
Explanation/Reference: https://stackoverflow.com/questions/43991246/google-cloud-platform-how-to-monitor-memory- usage-of-vm-instances
質問 33
Case study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Company Overview
HipLocal is a community application designed to facilitate communication between people in close proximity. It is used for event planning and organizing sporting events, and for businesses to connect with their local communities. HipLocal launched recently in a few neighborhoods in Dallas and is rapidly growing into a global phenomenon. Its unique style of hyper-local community communication and business outreach is in demand around the world.
Executive Statement
We are the number one local community app; it's time to take our local community services global. Our venture capital investors want to see rapid growth and the same great experience for new local and virtual communities that come online, whether their members are 10 or 10000 miles away from each other.
Solution Concept
HipLocal wants to expand their existing service, with updated functionality, in new regions to better serve their global customers. They want to hire and train a new team to support these regions in their time zones. They will need to ensure that the application scales smoothly and provides clear uptime data.
Existing Technical Environment
HipLocal's environment is a mix of on-premises hardware and infrastructure running in Google Cloud Platform.
The HipLocal team understands their application well, but has limited experience in global scale applications.
Their existing technical environment is as follows:
* Existing APIs run on Compute Engine virtual machine instances hosted in GCP.
* State is stored in a single instance MySQL database in GCP.
* Data is exported to an on-premises Teradata/Vertica data warehouse.
* Data analytics is performed in an on-premises Hadoop environment.
* The application has no logging.
* There are basic indicators of uptime; alerts are frequently fired when the APIs are unresponsive.
Business Requirements
HipLocal's investors want to expand their footprint and support the increase in demand they are seeing. Their requirements are:
* Expand availability of the application to new regions.
* Increase the number of concurrent users that can be supported.
* Ensure a consistent experience for users when they travel to different regions.
* Obtain user activity metrics to better understand how to monetize their product.
* Ensure compliance with regulations in the new regions (for example, GDPR).
* Reduce infrastructure management time and cost.
* Adopt the Google-recommended practices for cloud computing.
Technical Requirements
* The application and backend must provide usage metrics and monitoring.
* APIs require strong authentication and authorization.
* Logging must be increased, and data should be stored in a cloud analytics platform.
* Move to serverless architecture to facilitate elastic scaling.
* Provide authorized access to internal apps in a secure manner.
Which database should HipLocal use for storing user activity?
- A. Cloud SQL
- B. BigQuery
- C. Cloud Datastore
- D. Cloud Spanner
正解: D
質問 34
Case study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Company Overview
HipLocal is a community application designed to facilitate communication between people in close proximity. It is used for event planning and organizing sporting events, and for businesses to connect with their local communities. HipLocal launched recently in a few neighborhoods in Dallas and is rapidly growing into a global phenomenon. Its unique style of hyper-local community communication and business outreach is in demand around the world.
Executive Statement
We are the number one local community app; it's time to take our local community services global. Our venture capital investors want to see rapid growth and the same great experience for new local and virtual communities that come online, whether their members are 10 or 10000 miles away from each other.
Solution Concept
HipLocal wants to expand their existing service, with updated functionality, in new regions to better serve their global customers. They want to hire and train a new team to support these regions in their time zones. They will need to ensure that the application scales smoothly and provides clear uptime data.
Existing Technical Environment
HipLocal's environment is a mix of on-premises hardware and infrastructure running in Google Cloud Platform.
The HipLocal team understands their application well, but has limited experience in global scale applications.
Their existing technical environment is as follows:
* Existing APIs run on Compute Engine virtual machine instances hosted in GCP.
* State is stored in a single instance MySQL database in GCP.
* Data is exported to an on-premises Teradata/Vertica data warehouse.
* Data analytics is performed in an on-premises Hadoop environment.
* The application has no logging.
* There are basic indicators of uptime; alerts are frequently fired when the APIs are unresponsive.
Business Requirements
HipLocal's investors want to expand their footprint and support the increase in demand they are seeing. Their requirements are:
* Expand availability of the application to new regions.
* Increase the number of concurrent users that can be supported.
* Ensure a consistent experience for users when they travel to different regions.
* Obtain user activity metrics to better understand how to monetize their product.
* Ensure compliance with regulations in the new regions (for example, GDPR).
* Reduce infrastructure management time and cost.
* Adopt the Google-recommended practices for cloud computing.
Technical Requirements
* The application and backend must provide usage metrics and monitoring.
* APIs require strong authentication and authorization.
* Logging must be increased, and data should be stored in a cloud analytics platform.
* Move to serverless architecture to facilitate elastic scaling.
* Provide authorized access to internal apps in a secure manner.
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 35
What requirements are needed for iCloud to automatically back up an iOS device each day? (Choose two.)
- A. The device is updated to latest iOS.
- B. The device is powered off.
- C. The device's screen is locked.
- D. The device has two-factor authentication turned on.
- E. The device is connected to a power source.
正解: C,E
解説:
Explanation/Reference:
Reference: https://support.apple.com/en-us/HT203977
質問 36
You have an application in production. It is deployed on Compute Engine virtual machine instances controlled by a managed instance group. Traffic is routed to the instances via a HTTP(s) load balancer. Your users are unable to access your application. You want to implement a monitoring technique to alert you when the application is unavailable.
Which technique should you choose?
- A. Managed instance group - heath checks
- B. Cloud Load Balancing - heath checks
- C. Stackdriver uptime checks
- D. Smoke tests
正解: C
解説:
Reference:
https://medium.com/google-cloud/stackdriver-monitoring-automation-part-3-uptime-checks-
476b8507f59c
質問 37
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?
- A. Deploy the website on App Engine as three separate services.
- B. Deploy the website on App Engine and use traffic splitting.
- C. Deploy the website on Cloud Functions and use traffic splitting.
- D. Deploy the website on Cloud Functions as three separate functions.
正解: B
解説:
Reference:
https://cloud.google.com/appengine/docs/standard/python/splitting-traffic
質問 38
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