1. Which type of scaling involves adding or removing resources (such as virtual machines or containers) to meet demand? Vertical scalingHorizontal scalingDirect scaling2. What is characterized as the ability of a system to recover from failures and continue to function? ReliabilityPredictabilityScalability

Which type of scaling involves adding or removing resources (such as virtual machines or containers) to meet demand? Vertical scalingHorizontal scalingDirect scaling

Which of the following is an INCORRECT statement about Scaling, a design principle of Reliability pillar of the AWS Well-Architected Framework?Question 11Answera.A scale out operation implies you scale by adding more instances to your existing pool of resourcesb.A scale up operation implies you scale by adding more power (CPU, RAM) to your existing machine/nodec.Fault tolerance is achieved by a scale out operationd.Fault tolerance is achieved by a scale up operation

What is “scaling out”?

Explain different scalability strategies for a backend system and considerations for horizontal vs. vertical scaling.

What best describes diseconomies of scale?Cost advantages that larger firms often enjoySavings in costs achieved by increasing the scale of productionThe rising average cost per unit that occurs when a company increases its output beyond a certain levelThe potential profit increase due to economies of scale