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Google Professional Cloud Developer Certification Path
The Google Professional Cloud Developer Certification is the highest level of certification mainly focussing to the Google Professional Cloud Developer. There is no prerequisite for this exam but still it would be best to follow some sequence in order to prove immense knowledge as a Google Professional Cloud Developer. You can complete Google Associate Certifications then approach for the professional certification. For more information related to Google cloud certification track Google-certification-path
NEW QUESTION 32
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. Write each row to a Cloud Storage object, then load into BigQuery.
- B. Perform the inserts in parallel by creating multiple threads.
- C. Write each row to a Cloud Storage object in parallel, then load into BigQuery.
- D. Include multiple rows with each request.
Answer: B
NEW QUESTION 33
You are a SaaS provider deploying dedicated blogging software to customers in your Google Kubernetes Engine (GKE) cluster. You want to configure a secure multi-tenant platform to ensure that each customer has access to only their own blog and can't affect the workloads of other customers. What should you do?
- A. Enable Application-layer Secrets on the GKE cluster to protect the cluster.
- B. Deploy a namespace per tenant and use Network Policies in each blog deployment.
- C. Build a custom image of the blogging software and use Binary Authorization to prevent untrusted image deployments.
- D. Use GKE Audit Logging to identify malicious containers and delete them on discovery.
Answer: B
NEW QUESTION 34
When would a technician need to use a positive 'no' with a customer? (Choose three.)
- A. Apple introduces new product.
- B. The device is eligible for repair.
- C. The device is an obsolete device that we no longer service.
- D. The technician does not feel like helping the customer.
- E. The customer is misinformed about service options.
- F. The customer wants to purchase a new device.
- G. The device is out of warranty.
Answer: C,E,G
NEW QUESTION 35
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. Enable the Cloud Storage API in project B.
- B. Grant your user account the roles/iam.serviceAccountUser role for the service-PROJECTA@gcf-admin- robot.iam.gserviceaccount.com service account.
- C. Grant your user account the roles/storage.objectCreator role for the Cloud Storage bucket.
- D. Grant the [email protected] service account the roles/ storage.objectCreator role for the Cloud Storage bucket.
Answer: B
NEW QUESTION 36
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 serverless Google Cloud Functions.
- B. Use a large Google Compute Engine cluster for deployments.
- C. Use Google Kubernetes Engine for automated deployments.
- D. Use Knative to build and deploy serverless applications.
- E. Use Google App Engine services.
Answer: A,D
NEW QUESTION 37
Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deployment requires a unique set of configuration values. You want to provide these unique values to each deployment but use the same custom machine image in all deployments. You want to use out-of-the-box features of Compute Engine. What should you do?
- A. Place the unique configuration values in the persistent disk.
- B. Place the unique configuration values in the instance template startup script.
- C. Place the unique configuration values in the instance template instance metadata.
- D. Place the unique configuration values in a Cloud Bigtable table.
Answer: A
Explanation:
Reference:
https://cloud.google.com/compute/docs/instance-groups
NEW QUESTION 38
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. Decrease the target CPU usage for the instance group autoscaler.
- B. Increase the target CPU usage for the instance group autoscaler.
- C. Remove the health-check for individual VMs in the instance group.
- D. Decrease the cool-down period for instances added to the group.
- E. Add the label "AUTOSCALE" to the instance group template.
Answer: B,E
NEW QUESTION 39
You want to view the memory usage of your application deployed on Compute Engine. What should you do?
- A. Install the Stackdriver Client Library.
- B. Use the Stackdriver Metrics Explorer.
- C. Install the Stackdriver Monitoring Agent.
- D. Use the Google Cloud Platform Console.
Answer: B
Explanation:
Explanation/Reference: https://stackoverflow.com/questions/43991246/google-cloud-platform-how-to-monitor-memory- usage-of-vm-instances
NEW QUESTION 40
Case Study
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 VPN
- B. Virtual Private Cloud
- C. Cloud Identity-Aware Proxy
- D. Cloud Armor
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/iap/docs/cloud-iap-for-on-prem-apps-overview
NEW QUESTION 41
Your existing application keeps user state information in a single MySQL database. This state information is very user-specific and depends heavily on how long a user has been using an application. The MySQL database is causing challenges to maintain and enhance the schema for various users.
Which storage option should you choose?
- A. Cloud Datastore/Firestore
- B. Cloud SQL
- C. Cloud Storage
- D. Cloud Spanner
Answer: B
NEW QUESTION 42
Case Study
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.
In order to meet their business requirements, how should HipLocal store their application state?
- A. Put a memcache layer in front of MySQL.
- B. Use local SSDs to store state.
- C. Move the state storage to Cloud Spanner.
- D. Replace the MySQL instance with Cloud SQL.
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 43
Which of the following is an ESD precaution according to Apple standards?
- A. The relative humidity in a work area should be lower than 50 percent.
- B. Safety apron made of synthetic fibers should be worn.
- C. An ionized air generator can be used instead of grounding a work area.
- D. A person working on an ESD-sensitive circuit should not be touched.
Answer: D
NEW QUESTION 44
Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deployment requires a unique set of configuration values. You want to provide these unique values to each deployment but use the same custom machine image in all deployments. You want to use out-of-the-box features of Compute Engine. What should you do?
- A. Place the unique configuration values in the persistent disk.
- B. Place the unique configuration values in the instance template startup script.
- C. Place the unique configuration values in the instance template instance metadata.
- D. Place the unique configuration values in a Cloud Bigtable table.
Answer: A
NEW QUESTION 45
You have containerized a legacy application that stores its configuration on an NFS share. You need to deploy this application to Google Kubernetes Engine (GKE) and do not want the application serving traffic until after the configuration has been retrieved. What should you do?
- A. Use the gsutil utility to copy files from within the Docker container at startup, and start the service using an ENTRYPOINT script.
- B. Create a PersistentVolumeClaim on the GKE cluster. Access the configuration files from the volume, and start the service using an ENTRYPOINT script.
- C. Use the COPY statement in the Dockerfile to load the configuration into the container image. Verify that the configuration is available, and start the service using an ENTRYPOINT script.
- D. Add a startup script to the GKE instance group to mount the NFS share at node startup. Copy the configuration files into the container, and start the service using an ENTRYPOINT script.
Answer: D
NEW QUESTION 46
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. Enable the Cloud Storage API in project B.
- B. Grant your user account the roles/iam.serviceAccountUser role for the service-PROJECTA@gcf-adminrobot.
iam.gserviceaccount.com service account. - C. Grant your user account the roles/storage.objectCreator role for the Cloud Storage bucket.
- D. Grant the [email protected] service account the roles/ storage.objectCreator role for the Cloud Storage bucket.
Answer: B
NEW QUESTION 47
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. Cloud Security Scanner
- B. Cloud Amor
- C. Stackdriver Debugger
- D. Stackdriver Error Reporting
Answer: A
Explanation:
Explanation/Reference: https://cloud.google.com/security-scanner
NEW QUESTION 48
You are developing a corporate tool on Compute Engine for the finance department, which needs to authenticate users and verify that they are in the finance department. All company employees use G Suite.
What should you do?
- A. Configure Cloud Armor Security Policies to restrict access to only corporate IP address ranges. Verify the provided JSON Web Token within the application.
- B. Enable Cloud Identity-Aware Proxy on the HTTP(s) load balancer and restrict access to a Google Group containing users in the finance department. Issue client-side certificates to everybody in the finance team and verify the certificates in the application.
- C. Enable Cloud Identity-Aware Proxy on the HTTP(s) load balancer and restrict access to a Google Group containing users in the finance department. Verify the provided JSON Web Token within the application.
- D. Configure Cloud Armor Security Policies to restrict access to only corporate IP address ranges. Issue client side certificates to everybody in the finance team and verify the certificates in the application.
Answer: A
NEW QUESTION 49
How do you access Control Center from the home screen on an iPhone 8?
- A. Swipe down from the top of the screen.
- B. Swipe from left to right.
- C. Swipe up from the bottom of the screen.
- D. Swipe from right to left.
Answer: C
Explanation:
Explanation/Reference: https://www.imore.com/control-center
NEW QUESTION 50
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. File a ticket with Cloud Support indicating that the application performs faster locally.
- B. Use Stackdriver Trace to determine which functions within the application have higher latency.
- C. Use Stackdriver Debugger Snapshots to look at a point-in-time execution of the application.
- D. Add logging commands to the application and use Stackdriver Logging to check where the latency problem occurs.
Answer: D
NEW QUESTION 51
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