Heroku-Architect Free Practice Test

Universal Containers has an app deployed on Heroku that is now required to handle high-volume message processing. What should an Architect recommend to fulfill this new requirement?

1. A. Create a custom buildpack
2. B. Configure a Heroku button
3. C. Provision an Apache Kafka onHeroku add-on
4. D. Add Heroku Redis

Correct Answer: C
- https://www.heroku.com/tech-sessions/get-started-with-apache-kafka

What does a follower of Heroku Postgres leader database provide?

1. A. A static snapshot of the leader
2. B. A in-memory snapshot of the leader.
3. C. A read-only replica of the leader.
4. D. A writable replica of the leader.

Correct Answer: C
-https://devcenter.heroku.eom/articles/rieroku-corinect-database-tables#encrypted-strings

Heroku apps that handle callouts from Salesforce can be written in:

1. A. All of these
2. B. Python
3. C. Node, js / JavaScript
4. D. Java, Scal
5. E. Clojure
6. F. PHP

Correct Answer: A

Canvas apps can authenticate a user with:

1. A. OAuth
2. B. Signed request
3. C. Usemane and password
4. D. Either OAuth or signed request

Correct Answer: D

Heroku Connect data replication happens:

1. A. Near real time for writes to Salesforc
2. B. and on a 30-second polling window for writes to Heroku Postgres
3. C. Near real time for writes to Salesforc
4. D. and either on a polling window or near real time for writes to Heroku Postgres (depending on the user configuration)
5. E. Instantly in both directions
6. F. Near real time in both directions

Correct Answer: B