SOFTWARE ENGINEERING

Detailed explanation-1: -Abstraction is the right answer to the question which of the following is an essential concept related to the Cloud. Therefore, the correct option is (A). Abstraction in technology terms is defined as the process of hiding the background details of essential features from the user or developer.

Detailed explanation-2: -The four basic components of cloud computing are infrastructure service (IaaS), software service (SaaS), platform service (PaaS) and business process services (BaaS). The core elements of cloud computing are data, network, hardware and software.

Detailed explanation-3: -Which of the following is essential concept related to Cloud? Explanation: Cloud computing abstracts the details of system implementation from users and developers.

Detailed explanation-4: -Cloud computing is a kind of abstraction that is based on the notion of combining physical resources and represents them as resources to users. Explanation: Cloud Computing is a kind of new model for providing resources for applications such as staging applications, platform-independent user access to services.