Developing Solutions for Microsoft Azure (AZ-204) Practice Exam

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What is a key advantage of using feature flags in an application?

Allows version control of application features

Using feature flags in an application provides significant advantages primarily around controlled feature deployment. One of the key benefits is that it allows for version control of application features. This means developers can enable or disable features in real time without deploying new code, enabling more granular control over which features are available to different users or environments. This control is exceptionally valuable during the release process. Developers can deploy code with unfinished or experimental features included but hidden behind flags, ensuring that only selected users or environments can access them. If a feature does not perform as expected, it can quickly be turned off without requiring a new deployment, which minimizes risk and reduces downtime. In contrast, the other options do not align with the primary purpose of feature flags. User authentication processes, datastore schema definitions, and end-to-end encryption relate to different aspects of application security and data management, rather than the deployment and management of features within the application itself.

Facilitates user authentication processes

Defines the datastore schema

Improves end-to-end encryption

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