Salesforce Exam Heroku Architect Topic 6 Question 42 Discussion

Actual exam question for Salesforce's Heroku Architect exam

Question #: 42
Topic #: 6

At Universal Containers (UC), a developer named Yuichiro wrote a PHP application that, in production, uses a MySQL database. Yuichiro is onboarding Mary, a new UC developer, who is setting up her development environment. Yuichiro asks Mary to:

1) install the related PHP libraries manually so the application will run;

2) use MongoDB, instead of MySQL, in the development environment.

According to the Twelve-Factor methodology, which changes should an Architect recommend?

AExplicitly declare code dependencies in the application's environment variables and use the same type of database in both development and production.

BPersist code dependencies in the application's production database. Use the same type of database locally to ensure that the dependencies are accessible.

CRecursively determine code dependencies on application startup and maintain separate Git branches for the MongoDB- and MySQL- compatible versions of the application.

DExplicitly declare code dependencies in the application's source and use the same type of database in both development and production.

Show Suggested Answer

Suggested Answer: B, C, D

by Maddie at Jul 14, 2024, 09:03 PM

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Kallie

2 days ago

But shouldn't we use the same type of database in both development and production, as per the Twelve-Factor methodology?

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Matt

8 days ago

Mary, I recommend you to install the related PHP libraries manually so the application will run.

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