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Salesforce Certified Heroku Architect (Plat-Arch-206) Questions and Answers

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Questions # 1:

A client's Heroku web application displaysdata that is fetched from a back-end file storage system. The client now wants this data to be viewable, but not editable, from their Salesforce org.

Which recommendation should an Architect make in this scenario?

Options:

Replicate the files to tables in a Heroku Postgres database, and use Heroku Connect to synchronize the tables to the Salesforce org.

Store all file URLs in a Heroku Postgres table, and use Heroku Connect to synchronize the table to the Salesforce org.

Replicate the files to tables in aHeroku Postgres database, and use Heroku External Objects to expose the tables to the Salesforce org.

Replicate the files to the application's local filesystem, and use worker dynos to periodically sync them to the Salesforce org.

Answer

Questions # 2:

A customer needs to test a database schema migration. Which approach should an Architect recommend?

Options:

Fork the production database, and run the migration and tests against the fork

Detach the Heroku Postgres add-on. and run the migration and tests against the database.

Create a follower database, and run the migration and test against the follower database

Place the app into maintenance mode, and then perform the tests

Answer

Explanation

-https://www.herokuxom/tech-sessions/get-started-with-apache-kafka

Questions # 3:

Universal Containers needs to integrate three separate apps: a Salesforce app, an app developed to Heroku, and a custom-built app hosted on-premise. Each app needs to send and receive data from any of the other apps. Which two integration options should an Architect recommend that can connect all three systems in a fire-and-forget pattern? Choose 2 answers.

Options:

Publish and subscribe to Salesforce platform events

Use Heroku External Objects as a data proxy

Use Heroku Connect to synchronize all systems with Heroku Postgres

Publish and subscribe to topics on Apache Kafka on Heroku

Answer

A, D

Explanation

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

Questions # 4:

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

Options:

The add-on always runs in the samePrivate Space as the provisioning application.

The traffic between the provisioning app and the add-on will travel across the public Internet.

The add-on will always run in the same region, but not in the same Private Space, as the provisioning application.

The add-on's data will always be stored in the same Private Space as the provisioning application.

Answer

Questions # 5:

Universal Containers has an application running in the Common Runtime that uses Heroku Redis. The data in Heroku Redis needs to be accessed by a third-party application.

Whichconnection method should an Architect recommend to ensure the security of the data as it moves from Heroku Redis to the third-party application?

Options:

Use stunnel to secure the connection between Heroku Redis and the third-party application.

Set up SSL Certificates on Heroku and the third-party application.

Only allow access to Heroku Redis through an SSH connection.

Set up both a VPN and a VPC between Heroku and the third-party application.

Answer

Explanation

- https://devcenter.heroku.com/articles/securing-heroku-redis

Questions # 6:

A client has data in a production Heroku Postgres database, and needs to quickly get access to a subset of that data for reporting needs.

Which two features does Heroku Dataclips provide to enable this? (Choose two.)

Options:

JSON export of query results, with CORS support

CSV export of query results

A simple REST API access to query results

Postgres dump file of query results

Answer

A, B

Explanation

-https://devcenter.heroku.com/arlicles/dataclips

Questions # 7:

How arelanguages, buildpacks, and slugs related?

Options:

A slug and a buildpack are sandwiched together between several Heroku add-ons, and the result Is a new open-source language.

A slug is a shortened version of a language that compiles down into a buildpack

A buildpack knows how to compile code in a specific language down to a slug that runs on Heroku

A language uses a slug to deploy buildpacks as a service across the entire Salesforce Platform.

Answer

Questions # 8:

When creating a Private Space, what is a valid reason to specify a region other than the default region?

Options:

Private Spaces restrict inbound traffic to the current region.

Heroku pricing varies by region.

Running an applicationcloser to its intended users can reduce latency.

Available compute resources vary by region.

Answer

Questions # 9:

Universal Containers (UC) has expressed a desire to have encryption-at-rest enabled on their Heroku Postgres databases.

Which three tiers would UC need to use to have that feature enabled? (Choose three.)

Options:

Private

Standard

Hobby

Shield

Premium

Answer

A, B, E

Questions # 10:

Universal Containers (UC)uses Apache Kafka on Heroku to stream shipment inventory data in real time throughout the world. A Kafka topic is used to send messages with updates on the shipping container GPS coordinates as they are in transit. UC is using a Heroku Kafka basic-0 plan.The topic was provisioned with 8 partitions, 1 week of retention, and no compaction. The keys for the events are being assigned by Heroku Kafka, which means that they will be randomly distributed between the partitions.

UC has a single-dyno consumer application that persists the data to their Enterprise Data Warehouse (EDW). Recently, they've been noticing data loss in the EDW.

What should an Architect with Kafka experience recommend?

Options:

Enable compaction on the topic to drop older messages, which will drop older messages with the same key.

Upgrade to a larger Apache Kafka for Heroku plan, which has greater data capacity.

Use Heroku Redis to store message receipt information to account for "at-least" once delivery, which will guarantee that messagesare never processed more than once. Scale up the consumer dynos to match the number of partitions so that there is one process for each partition.

Answer

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