Final answer:
The essential characteristics of cloud computing include Virtualization, Scalability, and Self-service, making option A the correct answer from Chapter 6 (The Cloud and Social Media).
Step-by-step explanation:
The essential elements/characteristics of cloud computing are:
- Virtualization: This allows for creating a simulated, digital-only version of hardware, operating systems, storage devices, and network resources.
- Scalability: Cloud services can be easily scaled up or down according to demand, enabling flexible resource management.
- Self-service: Users can manage their own services without the need for technical support, allowing for quick access and dynamic provision.
The correct answer to the question from Chapter 6 (The Cloud and Social Media) is A. Virtualization, scalability, and self-service.