Professional-Cloud-Developer Dumps PDF New [2021] Ultimate Study Guide
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NEW QUESTION 30
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's data science team wants to analyze user reviews.
How should they prepare the data?
- A. Use the Cloud Data Loss Prevention API for redaction of the review dataset.
- B. Use the Cloud Natural Language Processing API for de-identification of the review dataset.
- C. Use the Cloud Natural Language Processing API for redaction of the review dataset.
- D. Use the Cloud Data Loss Prevention API for de-identification of the review dataset.
Answer: B
NEW QUESTION 31
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. kubectl exec -it [PARAM] journalctl
- B. gcloud compute ssh [PARAM] --command= "sudo journalctl"
- C. kubectl logs [PARAM]
- D. gcloud logging read [PARAM]
Answer: B
NEW QUESTION 32
You are designing a schema for a Cloud Spanner customer database. You want to store a phone number array field in a customer table. You also want to allow users to search customers by phone number. How should you design this schema?
- A. Create a table named Customers. Add an Array field in a table that will hold phone numbers for the customer.
- B. Create a table named Customers. Create a table named Phones. Add a CustomerId field in the Phones table to find the CustomerId from a phone number.
- C. Create a table named Customers. Add an Array field in a table that will hold phone numbers for the customer. Create a secondary index on the Array field.
- D. Create a table named Customers as a parent table. Create a table named Phones, and interleave this table into the Customer table. Create an index on the phone number field in the Phones table.
Answer: C
NEW QUESTION 33
You are deploying your application to a Compute Engine virtual machine instance with the Stackdriver Monitoring Agent installed. Your application is a unix process on the instance. You want to be alerted if the unix process has not run for at least 5 minutes. You are not able to change the application to generate metrics or logs.
Which alert condition should you configure?
- A. Metric threshold
- B. Metric absence
- C. Process health
- D. Uptime check
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/monitoring/alerts/concepts-indepth
NEW QUESTION 34
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.
During an embedded battery inspection which of the following issues should Rachel look for? (Choose two.)
- A. Dot imprints
- B. Updated battery firmware
- C. Battery is the correct color
- D. Scratches
- E. Battery-compliance shipping label
Answer: A,D
NEW QUESTION 35
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. Enable and check the serial port output.
- B. Take a snapshot of the disk and attach it to a new machine.
- C. Delete the machine and create a new one.
- D. Reboot the machine.
Answer: D
NEW QUESTION 36
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 signed URLs to upload files.
- B. Use CPanel to upload files.
- C. Change the API to be a multipart file upload API.
- D. Use FTP to upload files.
Answer: A
Explanation:
Explanation/Reference: https://wiki.christophchamp.com/index.php?title=Google_Cloud_Platform
NEW QUESTION 37
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. 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.
- C. Use the instance's service account Application Default Credentials to authenticate to the required resources.
- D. 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.
Answer: C
Explanation:
Reference:
https://cloud.google.com/compute/docs/api/how-tos/authorization
NEW QUESTION 38
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. 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.
- C. Use the instance's service account Application Default Credentials to authenticate to the required resources.
- D. 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.
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/compute/docs/api/how-tos/authorization
NEW QUESTION 39
HipLocal has connected their Hadoop infrastructure to GCP using Cloud Interconnect in order to query data stored on persistent disks.
Which IP strategy should they use?
- A. Create an auto mode subnet.
- B. Provision a single instance for NAT.
- C. Create manual subnets.
- D. Create multiple peered VPCs.
Answer: C
NEW QUESTION 40
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. Leave the room for fifteen minutes.
- C. Find a fire extinguisher and keep it nearby.
- D. Pour sand over the battery immediately.
Answer: D
NEW QUESTION 41
Lew is not certain that his Apple ID is working correctly in macOS. Which of the following methods would allow Lew to verify that he is using his correct Apple ID in macOS?
- A. Click the Apple menu, select Apple ID, and ensure that Lew's Apple ID is listed.
- B. Go to the My Apple ID page (appleid.apple.com) and verify the account is signed in.
- C. Open System Preferences, click iCloud, and verify that the account is signed in.
- D. Open the Apple ID pane in System Preferences.
Answer: C
Explanation:
Explanation/Reference: https://appletoolbox.com/how-to-sign-in-and-sign-out-of-icloud-on-macos-catalina/
NEW QUESTION 42
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. "You are right, Hannah. I can see the repair history says you picked up the computer this morning."
- C. "I feel sorry for you. You had to drive all the way back here."
- D. "Is this really the same issue? Might it be a different issue?"
- E. "I understand your frustrations, Hannah. I would feel the same way if my computer was having the same issue after a repair. I am here to help."
Answer: B,E
NEW QUESTION 43
You are using Cloud Build to create a new Docker image on each source code commit to a Cloud Source Repositories repository. Your application is built on every commit to the master branch. You want to release specific commits made to the master branch in an automated method.
What should you do?
- A. Commit your source code to a second Cloud Source Repositories repository with a second Cloud Build trigger. Use this repository for new releases only.
- B. Manually trigger the build for new releases.
- C. Create a build trigger on a Git tag pattern. Use a Git tag convention for new releases.
- D. Create a build trigger on a Git branch name pattern. Use a Git branch naming convention for new releases.
Answer: D
Explanation:
Explanation/Reference: https://docs.docker.com/docker-hub/builds/
NEW QUESTION 44
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 configure high availability.
- B. Replace the current single instance MySQL instance with Cloud SQL, and Google provides redundancy without further configuration.
- 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.
Answer: D
NEW QUESTION 45
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. Decouple services in the cluster, and rewrite new clusters to function with fewer cores.
- D. Open a support case to request additional GKE quotA.
Answer: A
NEW QUESTION 46
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 signed URLs to upload files.
- B. Use CPanel to upload files.
- C. Change the API to be a multipart file upload API.
- D. Use FTP to upload files.
Answer: A
Explanation:
Explanation/Reference:
Reference: https://wiki.christophchamp.com/index.php?title=Google_Cloud_Platform
NEW QUESTION 47
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.
Answer: B
Explanation:
Explanation/Reference: https://cloud.google.com/appengine/docs/standard/python/splitting-traffic
NEW QUESTION 48
......
This certification exam measures your ability to perform various tasks required for the successful functioning of different processes. The details of its topics are enumerated below:
Designing Highly Available, Reliable, and Scalable Cloud-Native Apps
- Design High Performing APIs and Applications: The considerations for this subject area include Microservices, scaling velocity tradeoffs/characteristics of IaaS vs. CaaS vs. PaaS, Geographic distribution of Google Cloud services, and user session management. It also covers the domains, such as caching solutions, securing & deploying API services, Google-recommended documentation & practices, and refined shutdown on the platform termination. The learners should also be able to explain the key structure of high-write apps with the use of Cloud Storage, Cloud SQL, Cloud Spanner, and Cloud Bigtable.
- Application Modernization: It covers the learners’ skills in using managed services, designing horizontally state-less scalable services, refactoring the monolith to micro-services, and understanding the Google-recommended practices and documentation.
- Manage Application Data: The considerations for this subdomain include data volume, structured versus unstructured data, strong versus eventual consistency, and data access frequency within Cloud Storage.
- Design Secure Applications: This topic covers the details, which include security mechanisms securing and protecting services and resources as well as app manifests & binaries. It also involves the skills in implementing the appropriate prerequisites for applicable applications. You should know about rotating & storing application keys & secrets, validating processes of the Google service, service-to-service communications, and IAM roles for groups/service/user accounts. The subtopic also covers your knowledge of how to run the services that have the least privileged access, data retention prerequisites, and certificate-based validation.
What is the duration, language, and format of Google Professional Cloud Developer Exam
- Language: English
- Length of Examination: 240 minutes
- Number of Questions: 50-60
- Recommended experience: 3+ years of industry experience including 1+ years designing and managing solutions using GCP.
- Passing score: 80%
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