You are in charge of developing Cloudformation templates that would be used to deploy databases in different AWS Accounts. To ensure that the passwords for the database are passed in a secure manner, which of the following could you use with Cloudformation?

Answer options:

A.Outputs
B.Metadata
C.Parameters
D.Resources

Answer – C
The AWS Documentation mentions the following.
Option A is incorrect since this is used to describes the values that are returned whenever you view your stack`s properties.
Option B is incorrect since this is used to specify Objects that provide additional information about the template.
Option D is incorrect since here you would need to add the hard-coded passwords.
For more information on best practices for Cloudformation, please refer to the below URL-
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/best-practices.html