Question 1

Which Heroku feature allows you to deploy a real app complete with code, config, and add-ons already configured?

Options :

A : Heroku Getting Started guides

B : Heroku Deployment wizard

C : git push heroku master

D : Heroku Buttons

Answer: D

Question 2

A client has a network of IoT devices that generate large volumes of event data. They want to collect this data in real-time, process it, and distribute it to various microservices for further processing. Which of the following solutions should be recommended?

Options :

A : Heroku Redis

B : Heroku Postgres

C : Apache Kafka on Heroku

D : Heroku Connect

Answer: C

Question 3

Which two conventions of the Heroku platform reflect the Twelve-Factor methodology's recommendation to 'execute the app as one or more stateless processes?' (Choose two.)

Options :

A : Log messages from each of an app-s dynos are kept separate from each other.

B : Heroku apps define process types in a Procfile.

C : A Heroku app-s config vars are deleted on deploys and app restarts.

D : Dynos have an ephemeral filesystem.

Answer: B,C

Question 4

Callouts from Salesforce to Heroku can be made using:

Options :

A : Corba

B : Web sockets

C : Message bus

D : Apex triggers or outbound messages

Answer: D

Question 5

Your organization is developing a complex, high-traffic application with multiple microservices on Heroku. As an architect, you’ve decided to use Apache Kafka on Heroku as a messaging system for inter-service communication. What strategy should you employ to handle data deserialization errors when consuming messages from a Kafka topic?

Options :

A : Modify the consumer application to skip over the problematic message and continue consuming the rest

B : Set up the consumer application to halt all processing immediately and send a notification about the error

C : Have the consumer application ignore the error and proceed with the next message in line

D : Configure the consumer application to log the error, move the problematic message to a dead-letter queue, and continue processing the rest

Answer: D

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