Question 1

As a Heroku Architect, you are designing a cloud-native application following the Twelve-Factor App methodology. The application requires a database for storing its data. How should this requirement be handled in line with the Twelve-Factor App principles?

Options :

A : The application should embed a database within its codebase

B : The application should create a temporary database instance for each user session

C : The application should treat the database as an attached resource

D : The application should share a database instance with other applications

Answer: C

Question 2

Your company has a Heroku app that regularly receives data from a third-party source. This data needs to be synced to corresponding Salesforce records. The third-party source provides a unique identifier for each record, which is also stored in Salesforce. What is the appropriate way to architect this data integration?

Options :

A : Use Heroku Connect to map the unique identifier to the Salesforce record Id

B : Use Heroku Connect and map the unique identifier from the third-party source to an External ID field in Salesforce

C : Use Heroku Connect and create a new record in Salesforce for each received data without considering the unique identifier

D : Implement a custom synchronization process using Apex code in Salesforce

Answer: B

Question 3

Which Heroku runtimes provide keystroke logging?

Options :

A : The Common Runtime, Private Spaces, and Shield Private Spaces

B : Private Spaces and Shield Private Spaces

C : Shield Private Spaces only

D : Keystroke logging is not available on Heroku

Answer: B

Question 4

Your client has developed a Heroku application that needs to send email notifications to its users. What’s the best way to implement this functionality?

Options :

A : Use a custom script to send emails through an SMTP server

B : Use the Heroku Scheduler to send emails at specified intervals

C : Use the SendGrid add-on from the Elements Marketplace

D : Use Heroku Connect to synchronize with a Salesforce organization that sends the emails

Answer: C

Question 5

Your organization is running a data-intensive Heroku application using Heroku Postgres as its primary database. The application experiences heavy read and write operations, and you need to reduce the load on the primary database without affecting its performance. What would be the best approach to achieve this?

Options :

A : Upgrade to a higher tier of Heroku Postgres

B : Use Dataclips to offload the read operations

C : Create follower databases to handle the read operations

D : Use Apache Kafka on Heroku to manage the data flow

Answer: C