Question

Point out the wrong statement.

(a) Scaling by adding capacity do not have limitations.

(b) cloud-based providers may only allow users to provision smaller instances

(c) There is a practical maximum capability for vertical scaling

(d) All of the mentioned

The question was posed to me in an international level competition.

The above asked question is from Sharding Introduction topic in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

Answer 1

The correct option is (a) Scaling by adding capacity do not have limitations.

Best explanation: High performance systems with large numbers of CPUs and large amount of RAM are disproportionately more expensive than smaller systems