Universal Containers collects sensor data from millions of sensors that are located around the World. Now.
they want to process this data on Heroku. What are three advantages of using a microservices architecture with Apache Kafka on Heroku in this scenario? Choose 3 answers.

• A.Kafka is highly available and fault-tolerant
• B.Individual services can be scaled easily for high-volume event processing
• C.Consumers and producers can be scaled independently.
• D.Individual services can efficiently communicate with each other using REST APIs.

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A client runs an application on a background worker dyno. The application allows its users to request personalized information as a PDF. At peak usage, the app processes millions of requests at once. The resulting number of requests has caused a bottleneck that is impacting its performance.
Which two solutions can an Architect recommend to resolve the bottleneck and improve performance? (Choose two.)

• A.Increase the number of workers to consume the job faster.
• B.Move the application to a Private Space.
• C.Add Heroku Redis as a job queue.
• D.Add a CDN add-on from the Elements marketplace.

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Which three resources can be found in the Heroku Elements Marketplace? (Choose three.)

• A.Buildpacks
• B.Heroku Buttons
• C.Add-ons
• D.Heroku Stacks
• E.Docker image files

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Which Heroku runtimes provide keystroke logging?

• A.Shield Private Spaces only
• B.Keystroke logging is not available on Heroku
• C.The Common Runtime, Private Spaces, and Shield Private Spaces
• D.Private Spaces and Shield Private Spaces

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Universal Containers would like to avoid H12 ("request timeout") and H22 ("connection limit reached") errors when running an e-commerce retail site that must process millions of inbound requests during their one-day semi-annual sale. Which two solution measures should an Architect recommend to prepare for the semi-annual sale?

• A.Implement load balancing using Kafka
• B.Engage with Heroku Support to implement load testing
• C.Enable and load test autoscaling
• D.Perform load test using 10% sample size

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