Quake Inc., a software giant, outsources its customer relationship management amenity to Zeins Inc. The contract between the two firms requires Zeins Inc. to exclusively use tools supplied by Quake Inc. and also makes Zeins responsible for the maintenance of the tools. Identify the type of service in the above scenario.

C) Infrastructure as a service

Explanation:

Infrastructure as a service (IaaS) is a business model where computer infrastructure is outsourced to another company, and that company is required to perform enterprise operations support. The latest trend in IaaS is cloud computing services, but it can also include data centers, servers, hardware, network components, etc.