Cloud services exhibit five essential characteristics that demonstrate their relation to, and differences from, traditional computing approaches. Which one of the five characteristics is described as: a consumer can unilaterally provision computing capabilities such as server time and network storage as needed.

What is known as the interface used to connect with the metastructure and configure the cloud environment?

Without virtualization, there is no cloud.

What is the most significant security difference between traditional infrastructure and cloud computing?

All cloud services utilize virtualization technologies.