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?
Using a dedicated test user account on the main OS
Deployment to a staging server that simulates the production environment
The correct answer is 'Execution in a virtualized sandbox environment'. This technique provides an isolated space for running and analyzing an application's behavior 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 helpful for access control but does not inherently contain the application's actions. 'Network segmentation' isolates network traffic but does not address local execution on a device. 'Deployment to a staging server' offers a realistic test environment that mimics production but does not provide the level of isolation a sandbox offers for analyzing the behavior of individual applications.
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What is a sandbox environment in the context of application testing?
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How does a virtualized sandbox differ from a staging server?
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Why is a sandbox environment preferred over network segmentation for application testing?