In IaaS, the cloud provider only owns the hardware and supplies the utilities. The customer is responsible for the OS, programs, and data. In PaaS and SaaS, the provider also owns the OS. There is no QaaS. That is a red herring.

Explanation
Data that falls under the purview of an eDiscovery request is that which is in the possession, custody, or control of the organization. Although this is an easy concept in a traditional data center, it can be difficult to distinguish who actually possesses and controls the data in a cloud environment due to multitenancy and resource pooling. Although these options provide similar-sounding terms, they are ultimately incorrect.

Explanation
Over time, maintaining the ability to restore and read archives is a primary concern for data archiving. As technologies change and new systems are brought in, it is imperative for an organization to ensure they are still able to restore and access archives for the duration of the required retention period.

The cloud service manager is responsible for the delivery of cloud services, the provisioning of cloud services, and the overall management of cloud services.