Which of the following is Cloud Platform by Amazon?

Azure
AWS
Cloudera
All of the mentioned

The correct answer is B. AWS.

AWS, or Amazon Web Services, is a cloud computing platform that provides infrastructure and services to businesses and individuals. It offers a broad set of global compute, storage, database, analytics, application, and deployment services that help organizations move faster, lower IT costs, and scale applications.

Azure is a cloud computing service created by Microsoft for building, testing, deploying, and managing applications and services through a global network of Microsoft-managed data centers.

Cloudera is a cloud-based data management platform that helps organizations manage and analyze large amounts of data.

None of the mentioned is not the correct answer because it does not include AWS.