A company is expanding its cloud hosting services to include storage. Prior to upgrading existing customers with the new service, the testing department needs to validate that users can access the…

A bandwidth test measures network throughput and capacity utilization, not whether authorization and data isolation boundaries between tenants are correctly enforced.

Load balancing is a traffic distribution configuration, not a pre-deployment test that can validate data access controls or tenant data separation.

A security test specifically examines authentication, authorization, and tenant isolation controls to confirm that one customer cannot access another customer's data or internal company data. In a multi-tenant cloud storage environment, this is critical to verify before deployment to prevent data breaches and ensure compliance. This test directly addresses the requirement that users see only their own data within the shared cloud environment.

A storage test validates capacity, read/write performance, and reliability metrics, but does not verify that security boundaries between customer data sets are correctly enforced.