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NEW QUESTION # 100
Your team is writing a backend application to implement the business logic for an interactive voice response (IVR) system that will support a payroll application. The IVR system has the following technical characteristics:
* Each customer phone call is associated with a unique IVR session.
* The IVR system creates a separate persistent gRPC connection to the backend for each session.
* If the connection is interrupted, the IVR system establishes a new connection, causing a slight latency for that call.
You need to determine which compute environment should be used to deploy the backend application. Using current call data, you determine that:
* Call duration ranges from 1 to 30 minutes.
* Calls are typically made during business hours.
* There are significant spikes of calls around certain known dates (e.g., pay days), or when large payroll changes occur.
You want to minimize cost, effort, and operational overhead. Where should you deploy the backend application?
- A. Cloud Run
- B. Compute Engine
- C. Google Kubernetes Engine cluster in Standard mode
- D. Cloud Functions
Answer: A
Explanation:
This page shows Cloud Run-specific details for developers who want to use gRPC to connect a Cloud Run service with other services, for example, to provide simple, high performance communication between internal microservices. You can use all gRPC types, streaming or unary, with Cloud Run.
Possible use cases include:
Communication between internal microservices.
High loads of data (gRPC uses protocol buffers, which are up to seven times faster than REST calls).
Only a simple service definition is needed, you don't want to write a full client library.
Use streaming gRPCs in your gRPC server to build more responsive applications and APIs.
https://cloud.google.com/run/docs/tutorials/secure-services#:~:text=The%20backend%20service%20is%20private,Google%20Cloud%20except%20where%20necessary.
NEW QUESTION # 101
In order to meet their business requirements, how should HipLocal store their application state?
- A. Move the state storage to Cloud Spanner.
- B. Replace the MySQL instance with Cloud SQL.
- C. Put a memcache layer in front of MySQL.
- D. Use local SSDs to store state.
Answer: C
Explanation:
Topic 1, HipLocal
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 10,000 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
NEW QUESTION # 102
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.
In order to meet their business requirements, how should HipLocal store their application state?
- A. Move the state storage to Cloud Spanner.
- B. Replace the MySQL instance with Cloud SQL.
- C. Put a memcache layer in front of MySQL.
- D. Use local SSDs to store state.
Answer: C
NEW QUESTION # 103
You have written a Cloud Function that accesses other Google Cloud resources. You want to secure the environment using the principle of least privilege. What should you do?
- A. Create a new service account that has Editor authority to access the resources. The deployer is given permission to act as the new service account.
- B. Create a new service account that has Editor authority to access the resources. The deployer is given permission to get the access token.
- C. Create a new service account that has a custom IAM role to access the resources. The deployer is given permission to act as the new service account.
- D. Create a new service account that has a custom IAM role to access the resources. The deployer is given permission to get the access token.
Answer: C
NEW QUESTION # 104
You are designing a chat room application that will host multiple rooms and retain the message history for each room. You have selected Firestore as your database. How should you represent the data in Firestore?
- A. Create a collection for the rooms. For each room, create a document that contains a collection for documents, each of which contains a message.
- B. Create a collection for the rooms, and create a document for each room. Create a separate collection for messages, with one document per message. Each room's document contains a list of references to the messages.
- C. Create a collection for the rooms. For each room, create a document that lists the contents of the messages
- D. Create a collection for the rooms. For each room, create a collection that contains a document for each message
Answer: A
Explanation:
Explanation
https://firebase.google.com/docs/firestore/data-model#hierarchical-data
NEW QUESTION # 105
The new version of your containerized application has been tested and is ready to deploy to production on Google Kubernetes Engine. You were not able to fully load-test the new version in pre-production environments, and you need to make sure that it does not have performance problems once deployed. Your deployment must be automated. What should you do?
- A. Use Cloud Load Balancing to slowly ramp up traffic between versions. Use Cloud Monitoring to look for performance issues.
- B. Deploy the application using kubectl and set the spec.updateStrategv.type to RollingUpdate. Use Cloud Monitoring to look for performance issues, and run the kubectl rollback command if there are any issues.
- C. Deploy the application via a continuous delivery pipeline using canary deployments. Use Cloud Monitoring to look for performance issues. and ramp up traffic as the metrics support it.
- D. Deploy the application via a continuous delivery pipeline using blue/green deployments. Use Cloud Monitoring to look for performance issues, and launch fully when the metrics support it.
Answer: D
Explanation:
Explanation
https://cloud.google.com/architecture/implementing-deployment-and-testing-strategies-on-gke#perform_a_blueg
NEW QUESTION # 106
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. Delete the machine and create a new one.
- B. Enable and check the serial port output.
- C. Reboot the machine.
- D. Take a snapshot of the disk and attach it to a new machine.
Answer: C
NEW QUESTION # 107
Your team is responsible for maintaining an application that aggregates news articles from many different sources. Your monitoring dashboard contains publicly accessible real-time reports and runs on a Compute Engine instance as a web application. External stakeholders and analysts need to access these reports via a secure channel without authentication. How should you configure this secure channel?
- A. Add an HTTP(S) load balancer in front of the monitoring dashboard. Set up a Google-managed SSL certificate on the load balancer for traffic encryption.
- B. Use Cloud Scheduler to trigger Cloud Build every hour to create an export from the reports. Store the reports in a public Cloud Storage bucket.
- C. Add an HTTP(S) load balancer in front of the monitoring dashboard. Configure Identity-Aware Proxy to secure the communication channel.
- D. Add a public IP address to the instance. Use the service account key of the instance to encrypt the traffic.
Answer: A
Explanation:
Explanation
https://cloud.google.com/load-balancing/docs/ssl-certificates/google-managed-certs
NEW QUESTION # 108
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 Spanner
- B. Cloud Datastore
- C. BigQuery
- D. Cloud SQL
Answer: A
NEW QUESTION # 109
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. Stackdriver Debugger
- C. Cloud Amor
- D. Cloud Security Scanner
Answer: D
Explanation:
Reference:
https://cloud.google.com/security-scanner
NEW QUESTION # 110
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. Migrate some traffic back to your old platform and perform AB testing on the two platforms concurrently.
- C. Install the Stackdriver agents on your Compute Engine instances.
- D. Use Stackdriver to capture and alert on logs, then ship them to your existing platform.
Answer: C
Explanation:
Explanation/Reference: https://cloud.google.com/monitoring/
NEW QUESTION # 111
You are in the final stage of migrating an on-premises data center to Google Cloud. You are quickly approaching your deadline, and discover that a web API is running on a server slated for decommissioning.
You need to recommend a solution to modernize this API while migrating to Google Cloud. The modernized web API must meet the following requirements:
* Autoscales during high traffic periods at the end of each month
* Written in Python 3.x
* Developers must be able to rapidly deploy new versions in response to frequent code changes You want to minimize cost, effort, and operational overhead of this migration. What should you do?
- A. Ask the development team to re-write the application to run as a Docker container on Google Kubernetes Engine.
- B. Modernize and deploy the code on App Engine standard environment.
- C. Modernize and deploy the code on App Engine flexible environment.
- D. Deploy the modernized application to an n1-standard-1 Compute Engine instance.
Answer: B
Explanation:
Explanation
https://cloud.google.com/appengine/docs/standard
NEW QUESTION # 112
Technician Tommy is replacing a logic board on a Mac mini. Which of the following should he hold when handling the logic board?
- A. The heat sinks
- B. Any components
- C. The edges of the logic board
- D. The connectors
Answer: C
Explanation:
Explanation/Reference: https://www.ifixit.com/Guide/Mac+mini+Late+2014+Logic+Board+Replacement/33077
NEW QUESTION # 113
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. "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."
- B. "I feel sorry for you. You had to drive all the way back here."
- C. "Are you sure your children didn't do something to it?"
- D. "You are right, Hannah. I can see the repair history says you picked up the computer this morning."
- E. "Is this really the same issue? Might it be a different issue?"
Answer: A,D
NEW QUESTION # 114
You are developing a marquee stateless web application that will run on Google Cloud. The rate of the incoming user traffic is expected to be unpredictable, with no traffic on some days and large spikes on other days. You need the application to automatically scale up and down, and you need to minimize the cost associated with running the application. What should you do?
- A. Build the application in Python with Firestore as the database. Deploy the application to a Compute Engine managed instance group with autoscaling.
- B. Build the application in C# with Firestore as the database. Deploy the application to App Engine flexible environment.
- C. Build the application in Python with CloudSQL as the database. Deploy the application to App Engine standard environment.
- D. Build the application in Python with Firestore as the database. Deploy the application to Cloud Run.
Answer: C
NEW QUESTION # 115
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