A ride-sharing startup is planning to onboard its applications to Google Cloud. The company has invested heavily in servers of premium configuration and has to incur high costs for maintaining these. The company needs servers of premium configuration primarily for days when the demand is heavy. However, these servers are partly utilized during other days.
Which feature of cloud computing will help the company reduce its cost and cater to the users without impacting the performance by automatically expanding or compressing the resources as per requirement?

Answer options:

A.Elasticity
B.Economies of scale
C.Scalability
D.Pay as you go

Correct Answer: A
Option A is correct. Elasticity is the ability of Cloud computing to meet workload spike-up and spike-down for a short period of time.
Option B is incorrect. Public Cloud providers help the organizations to save high costs as the Public Cloud providers purchase infrastructure at lower costs.
Option C is incorrect. Scalability is the ability of cloud computing that helps serve consistently increased workloads.
Option D is incorrect. Pay as you go is a model that enables customers to pay for the resources per resource usage.
https://www.geeksforgeeks.org/scalability-and-elasticity-in-cloud-computing/
https://www.oreilly.com/library/view/cloudonomics-the-business/9781118282885/xhtml/sec24.html