AWS DevOps Engineer Professional Practice Test

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What property specifies that users should not be able to view the value of a parameter in a CloudFormation stack?

NoAccess
Secret
NoEcho
ReadOnly

The correct answer is: NoEcho

The property that specifies users should not be able to view the value of a parameter in a CloudFormation stack is indeed NoEcho. When a parameter is defined with the NoEcho property set to true, the actual value of that parameter will not be displayed in the CloudFormation console, CLI commands, or in any output logs. This is particularly important for sensitive information such as passwords or API keys, as it helps to enhance security and prevent unauthorized access to sensitive data. When NoEcho is utilized, it ensures that even users who have permissions to view the stack's details are unable to see the parameter values, thus maintaining the confidentiality of sensitive information throughout the stack's lifecycle. This aligns with best practices in managing sensitive data within AWS environments.