Elasticity is one of the benefits of using Elastic Beanstalk. Which of the following best describes the concept of elasticity?

A. It is the ability for counting the number of architectural design considerations that are required to develop a console.
B. It is the streamlining of resource acquisition and release, so that your infrastructure can rapidly scale in and scale out as demand fluctuates.
C. It is the process of examining the amount of security credentials required to access a data vol-ume.
D. It is the procedure of estimating the resource cost, so that you can run a specific project on AWS.