Question 1

Your team has built a complex microservices-based application on Heroku, using Apache Kafka to manage communication between services. You are considering strategies to improve the resilience of the application. What would be an appropriate strategy to improve the fault-tolerance of the Kafka communication?

Options :

A : Set up a secondary Kafka cluster and configure services to fall back to it in case of a failure in the primary cluster

B : Increase the replication factor of your Kafka topics

C : Implement regular backups of the Kafka cluster

D : Configure the Kafka brokers to write all messages to a database as well as to the Kafka log

Answer: B

Question 2

You are designing a microservices-based e-commerce application on Heroku. You need a way to orchestrate and decouple the services for better scalability and reliability. You are considering Apache Kafka on Heroku for this purpose. What are the key considerations when integrating Apache Kafka into the architecture?

Options :

A : Apache Kafka would replace the need for any databases

B : Apache Kafka can handle stateful operations

C : Apache Kafka should be used as a message broker to decouple services

D : Apache Kafka can serve as the application-s frontend

Answer: C

Question 3

You are an architect for a software company that is developing an application on Heroku. The application needs to interact with a MongoDB database, which is not natively supported by Heroku. What would be your recommendation for addressing this requirement?

Options :

A : Migrate the MongoDB database to Postgres

B : Use a third-party add-on like mLab

C : Use Heroku Connect to link MongoDB to Heroku

D : Write a custom script to connect to MongoDB

Answer: B

Question 4

Your organization has several teams working on different applications. Which feature of Heroku Enterprise Teams would best support collaboration and efficient resource management across multiple applications and environments?

Options :

A : Unified Billing

B : Fine-grained access controls

C : Application metrics

D : Heroku Private Spaces

Answer: B

Question 5

Your company is planning to use Apache Kafka on Heroku to handle high-velocity event streams from various sources in real-time. As a Salesforce Certified Heroku Architect, what would you suggest as the best practice for designing this solution?

Options :

A : Store the data directly to a Heroku Postgres database

B : Use a single Kafka topic for all event streams

C : Create separate Kafka topics for different types of event streams

D : Use Heroku Connect for real-time event stream handling

Answer: C

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