Explore the key strategies for AWS cost optimization. Learn the difference between rightsizing, auto scaling, storage tiering, and instance scheduling, and understand how rightsizing can help you choose the most cost-effective resources for your workload.
Table of Contents
Question
A company is in the process of finding correct Amazon EC2 instance types and sizes to meet its performance and capacity requirements. The company wants to find the lowest possible cost.
Which option accurately characterizes the company’s actions?
A. Auto Scaling
B. Storage tiering
C. Rightsizing
D. Instance scheduling
Answer
C. Rightsizing
Explanation
Rightsizing in AWS involves matching instance types and sizes to workload performance and capacity requirements at the lowest possible cost. It’s a process of analyzing your workload and choosing the most cost-effective resources to meet your needs.
Auto Scaling (Option A) is a feature that allows you to automatically adjust the number of EC2 instances in response to traffic patterns, which can help ensure that you have the capacity you need, when you need it.
Storage tiering (Option B) is a method for optimizing storage costs by dynamically moving data between different types of storage, such as SSDs and HDDs, based on the data’s value to the business.
Instance scheduling (Option D) is a strategy for starting and stopping instances at predefined times or utilization thresholds. While this can save costs, it doesn’t involve selecting the correct instance types and sizes.
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