A company wants to ensure that their web application can handle a sudden spike in traffic during Black Friday sales. They configure their cloud environment to automatically add more virtual servers when CPU usage exceeds 80%. This capability is known as:

Answer options:

Redundancy

Elasticity / Auto-scaling

High Availability

Load Balancing

How to approach this question

Identify the cloud characteristic for 'growing and shrinking' resources.

Full Answer

B.Elasticity / Auto-scaling✓ Correct

Rapid Elasticity is a key cloud characteristic that allows systems to automatically provision and release resources (scale out and in) commensurate with demand.

Common mistakes

Confusing Load Balancing (distribution) with Elasticity (provisioning).

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