A company wants to ensure that a newly developed application does not unintentionally access sensitive system resources or affect existing applications on end-user devices. Which technique is BEST suited for testing the application in an isolated environment before deployment?
Deployment to a staging server that simulates the production environment
Using a dedicated test user account on the main OS
The correct answer is 'Execution in a virtualized sandbox environment.' This provides an isolated space for running and analyzing the behavior of the application without risking the integrity of the main operating system or other applications. It limits the app's interaction with real system resources, containing any potential harm. 'Using a dedicated test user account' is useful for access control but does not inherently contain the application's actions. 'Network segmentation' isolates network traffic but doesn’t address the local execution of an application on a device. 'Deployment to a staging server' provides a realistic test environment that mimics production but does not provide the level of isolation a sandbox does for analyzing the behavior of individual apps.
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