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Free Certified Heroku Architecture Designer Exam Braindumps (page: 11)

Page 10 of 47
PDF with 182 Questions

A client has a web application that persists data to a local JSON file. They are migrating the application to Heroku. In order for the application to conform to the Twelve-Factor methodology, what changes should an Architect recommend?

  1. The application should persist the data to a database add-on.
  2. The application should persist the data to a local SQLite database.
  3. The application should use at least 2 dynos to ensure that the JSON file is highly available.
  4. The application should be stateless and therefore not persist data at all.

Answer(s): A



Which is a characteristic of an add-on that is "available" for applications in Private Spaces but not "installable" in a Private Space?

  1. The add-on always runs in the same Private Space as the provisioning application.
  2. The traffic between the provisioning app and the add-on will travel across the public Internet.
  3. The add-on will always run in the same region, but not in the same Private Space, as the provisioning application.
  4. The add-on's data will always be stored in the same Private Space as the provisioning application.

Answer(s): C



A client's Heroku application is publishing messages to an instance of Apache Kafka on Heroku. What does a second Heroku application need to do to consume those messages?

  1. Subscribe to the Kafka partition(s) that the messages are being published to.
  2. Join a consumer group that also includes the publishing application.
  3. Subscribe to the Kafka topic(s) that the messages are being published to.
  4. Convert the publishing application into a stream processor.

Answer(s): A


Reference:

https://wwwxloudkarafka.com/blog/2016-11-30-part1-kafka-for-beginners-what-is-apache-kafka.html



A client provisions a Heroku Postgres database in the EU region.
Which two services related to Heroku Postgres are located in the U.S.? (Choose two.)

  1. Fork and follower databases
  2. Heroku Postgres Continuous Protection backups
  3. Snapshots created with Heroku PGBackups
  4. Heroku Dataclips

Answer(s): A,D


Reference:

https://devcenter.heroku.com/articles/heroku-postgresql






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