QUESTION: 97

An existing app is experiencing performance degradation because of multiple executions of multiple, expensive SQL read queries. This SQL code cannot be optimized any further and the frequency of the execution of the queries cannot be reduced. Which two options should an Architect recommend in this scenario?

Hardcode the results of the query into app logic
Add a read-only Heroku Postgres follower
Create a database caching layer
Restart the Heroku Postgres server to reclaim cache

Answer(s): B,C

Reference:

https://devcenter.heroku.com/articles/using-sso-services-with-heroku#end-user-account-creation-and-removal

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QUESTION: 98

When designing a Heroku application, which two approaches observe the Twelve-Factor methodology? Choose 2 answers.

On deployment, Heroku fetches and installs any dependencies that are missing according to the application's list of dependencies
On startup, the application's source code fetches and installs any dependencies that are missing according to the application's list of dependencies.
The application's database configuration is stored in the application's Profile
The application's database configuration is stored in the application's config vars.

Answer(s): A,D

Reference:

https://devcenter.heroku.com/articies/heroku-connect-database-tables#encrypted-strings

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QUESTION: 99

Universal Containers is developing a Salesforce app that invokes a Heroku app's web service, which asynchronously generates customer invoices. The Heroku app is deployed to a Private Space. When an invoice is ready, the Heroku app sends a POST request to the Salesforce REST API. Which two options should an Architect recommend to ensure that neither the Salesforce nor the Heroku app is accessible from the public internet? Choose 2 answers.

Restrict the Private Space's trusted IP range to Salesforce IP addresses
Restrict the Private Space's trusted IP range to Universal Containers' VPN
Restrict the Salesforce connected app's login IP ranges to Universal Containers' VPN
Restrict the Salesforce connected app's login IP ranges to the stable outbound IP addresses of the Private Space

Answer(s): A,D

Explanation:

This is no VPN connection and a trusted IP range is used to limit the trusted outside application's IP address and there is document related to this use case.

Reference:

https://devcenter.heroku.com/articles/establish-trust-private-space-and-salesforce#salesforce-heroku-apps

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QUESTION: 100

Which three actions can a user perform on an app in a Heroku Enterprise Team, if that user has been granted only the "deploy" permission for that app? Choose 3 answers.

Provision an add-on with a free plan
Manage the app's config vars.
Transfer the app to another Enterprise Team.
Roll back a release

Answer(s): A,B,D

Reference:

https://devcenter.heroku.com/articles/heroku-connect-database-tables#encrypted-strings

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Free Certified Heroku Architecture Designer Exam Braindumps (page: 25)

QUESTION: 97

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QUESTION: 98

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QUESTION: 99

Explanation:

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QUESTION: 100

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