Which of the following features of cloud computing matches resources to the current demand?

Which of the following features of cloud computing matches resources to the current demand?

• Elasticity
• Security
• Redundancy
• Availability 

EXPLANATION

Elasticity refers to the ability of a cloud service to scale on demand. Resources such as storage, bandwidth, or memory can be provisioned in a matter of minutes and scaled down when no longer needed.
https://en.wikipedia.org/wiki/Elasticity_(cloud_computing)