b) AWS.
AWS refers to the acronym for Amazon Web Services. It is the services from Amazon, providing a type of cloud platform that makes various kinds of services on offer such as computing powers, storage, and network capabilities.
- a) Cloud-azure product from the Microsoft.
- c) Cloudera is a data management and analytics company and not necessarily a cloud service.
- d) All of the above are incorrect because Amazon only has one cloud platform, which is AWS.