Home › B.Tech Cloud Computing › cloudcomputing › cloudfundamentals › Horizontal scaling (scale-out) differs from vert…
Horizontal scaling (scale-out) differs from vertical scaling (scale-up) primarily because:
AHorizontal scaling is only available on Windows; vertical scaling is only on Linux
BHorizontal scaling adds more identical instances to share load; vertical scaling increases the resources (CPU/RAM) of a single instance
CHorizontal scaling shrinks instances to save cost; vertical scaling deletes them entirely
DBoth terms mean the same thing — pricing varies by provider
Answer & Solution
Correct answer: B. Horizontal scaling adds more identical instances to share load; vertical scaling increases the resources (CPU/RAM) of a single instance
Scale-out adds instances behind a load balancer (commodity hardware, near-linear capacity gains). Scale-up grows a single machine (limited by largest available SKU). Modern cloud-native architectures prefer scale-out.
Related questions
Which combination correctly identifies what is generally serverless and what isn't?What is the conceptual difference between a Container and a Virtual Machine?Which shared-responsibility statement is correct across nearly every public cloud (AWS, AzWhich architectural property describes a system that continues operating correctly even whWhich cloud benefit BEST captures the move from buying physical servers up-front to payingA region in cloud terminology refers to:An on-demand pay-as-you-go pricing model in the cloud encourages which architectural patteWhich combination correctly maps each cloud service model to who is responsible for managi