Q: 6
A developer needs to give a new application the ability to retrieve configuration data.
The application must be able to retrieve new configuration data values without the need to redeploy
the application code. If the application becomes unhealthy because of a bad configuration change,
the developer must be able to automatically revert the configuration change to the previous value.
Options
Discussion
I don’t think C is right here. D is better since AppConfig with Application Signals supports actual automatic rollback if the app gets unhealthy, while C would need extra logic for that. A and B feel like traps-Secrets Manager just isn’t meant for config like this.
D , AppConfig with Application Signals is the right combo for runtime config changes and auto rollback if issues show up. Official exam guide and AWS whitepapers mention this use case a lot.
Probably D. AppConfig with Application Signals is built for this, so you get easy config updates plus automated rollback if something breaks. Secrets Manager doesn't really fit here since it's for secrets, not general config. Let me know if I'm missing something.
Its D. AWS AppConfig with CloudWatch Application Signals gives you automated rollbacks if a config breaks the app. Secrets Manager is just for secrets, not dynamic config updates. Pretty sure this is what they're looking for.
D
Is "most automated rollback" the key here, or would manual intervention also be OK? That might change things.
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