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質問 11
HipLocal wants to reduce the number of on-call engineers and eliminate manual scaling.
Which two services should they choose? (Choose two.)
- A. Use a large Google Compute Engine cluster for deployments.
- B. Use serverless Google Cloud Functions.
- C. Use Google Kubernetes Engine for automated deployments.
- D. Use Google App Engine services.
- E. Use Knative to build and deploy serverless applications.
正解: B,E
質問 12
Your data is stored in Cloud Storage buckets. Fellow developers have reported that data downloaded from Cloud Storage is resulting in slow API performance. You want to research the issue to provide details to the GCP support team.
Which command should you run?
- A. gcloud services test -o output.json gs://my-bucket
- B. gcloud compute scp example-instance:~/test-data -o output.json gs://my-bucket
- C. gsutil test -o output.json gs://my-bucket
- D. gsutil perfdiag -o output.json gs:/
正解: D
解説:
Explanation/Reference: https://groups.google.com/forum/#!topic/gce-discussion/xBl9Jq5HDsY
質問 13
Diego is servicing an embedded battery and it begins to swell. Which of the following is the proper response by Diego?
- A. Immediately pour sand on the battery to cover it completely.
- B. Evacuate the room for fifteen minutes.
- C. Wait to see if the battery stops swelling or continues to thermal event.
- D. Remove the swelling battery and move it to a fire-proof safety cabinet.
正解: A
質問 14
Which of the following are required to setup iTunes backup with an iPhone 8? (Choose two.)
- A. Lightning to USB Cable
- B. iCloud account
- C. iTunes Store account
- D. Computer compatible with iTunes
- E. Encrypted volume on Mac or PC
正解: B,C
解説:
Explanation
Explanation/Reference: https://support.apple.com/guide/itunes/back-up-your-ios-or-ipados-device-itns3280/windows
質問 15
You are running an application on App Engine that you inherited. You want to find out whether the application is using insecure binaries or is vulnerable to XSS attacks. Which service should you use?
- A. Stackdriver Error Reporting
- B. Cloud Amor
- C. Cloud Security Scanner
- D. Stackdriver Debugger
正解: C
解説:
Reference:
https://cloud.google.com/security-scanner
質問 16
Please refer to the following information to answer the questions on the right.
Rachel is starting a repair on a three-year-old MacBook Pro.
After opening the device, she takes some time to visually inspect the top case assembly with battery.
After gaining agreement with the customer about repair time and cost, Rachel begins the replacement of the top case assembly with battery. If during the repair the battery cells begin to actively swell, how should Rachel respond?
- A. Carefully continue the repair while monitoring the battery.
- B. Find a fire extinguisher and keep it nearby.
- C. Pour sand over the battery immediately.
- D. Leave the room for fifteen minutes.
正解: C
質問 17
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 of the instance group autoscaler.
Which two configuration changes should you make? (Choose two.)
- A. Add the label "AUTOSCALE" to the instance group template.
- B. Decrease the target CPU usage for the instance group autoscaler.
- C. Remove the health-check for individual VMs in the instance group.
- D. Increase the target CPU usage for the instance group autoscaler.
- E. Decrease the cool-down period for instances added to the group.
正解: A,D
質問 18
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 19
Please refer to the following information to answer the questions on the right.
Hannah recently picked up her iMac after a repair. The sound from the speakers was distorted and unclear and a technician determined that a repair would resolve the issue.
Once Hannah returned home with the iMac, the sound issue occurred again.
Hannah has returned. She is angry and she is cursing at the technician.
From the following, which are part of the 5-step conflict resolution model? (Choose two.)
- A. "Are you sure your children didn't do something to it?"
- B. "Though your frustration is understandable, we are in a family-friendly environment so I am going to have to ask you to be mindful of the language you are using."
- C. "If I can ask some questions about the last repair and what has occurred since then, I can figure out what the appropriate next step is. I might be able to suggest a solution. Does that sound okay, Hannah?"
- D. "l can prove to you exactly how you are wrong about this issue."
- E. "Is this really the same issue? Might it be a different issue?"
- F. "Calm down!"
正解: C,F
質問 20
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 21
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.filescope to obtain an access token for each user.
- B. With the App Engine service account with delegated domain-wide authority.
- C. With an OAuth Client ID with delegated domain-wide authority.
- D. With the App Engine service account and https://www.googleapis.com/auth/drive.filescope that generates a signed JWT.
正解: C
解説:
Explanation/Reference: https://developers.google.com/drive/api/v3/about-auth
質問 22
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 reduce the number of on-call engineers and eliminate manual scaling.
Which two services should they choose? (Choose two.)
- A. Use a large Google Compute Engine cluster for deployments.
- B. Use serverless Google Cloud Functions.
- C. Use Google Kubernetes Engine for automated deployments.
- D. Use Google App Engine services.
- E. Use Knative to build and deploy serverless applications.
正解: B,E
質問 23
When evaluating an issue, which of the following is an empathetic and supportive closed question about updating software on an iOS device?
- A. I notice that your iPhone software is not up to date; would you like me to walk you through updating the software?
- B. You do know you should always update your software, correct?
- C. Updating your software is extremely easy, why haven't you done so?
- D. How to update your software is in the iPhone User's guide, why didn't you read it before using this phone?
正解: A
質問 24
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:
Reference:
https://cloud.google.com/compute/docs/api/how-tos/authorization
質問 25
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?
- A. Take a snapshot of the disk and attach it to a new machine.
- B. Reboot the machine.
- C. Delete the machine and create a new one.
- D. Enable and check the serial port output.
正解: B
質問 26
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. Change the API to be a multipart file upload API.
- C. Use CPanel to upload files.
- D. Use signed URLs to upload files.
正解: D
解説:
Explanation/Reference: https://wiki.christophchamp.com/index.php?title=Google_Cloud_Platform
質問 27
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 28
Which of the following customer statements would alert you to a safety issue? (Choose two.)
- A. My iPhone flashed and sparked when I tried to charge it.
- B. My iPhone has fluctuating sound levels. Sometimes it is deafening.
- C. The corner of my iPad is badly bent.
- D. The home button on my iPhone seems to have sunk.
- E. The screen is too bright. It hurts my eyes.
- F. My new Apple Watch makes me itchy and my wrist is red and irritated.
正解: A,D
質問 29
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 30
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