Answer: AWS Pricing Calculator

The correct answer is D, the AWS Pricing Calculator. This tool allows users to estimate the costs of using various AWS services for their workloads, including compute instances, storage, databases, and networking components. By inputting the specific services and configurations planned for use, the AWS Pricing Calculator provides a monthly cost estimate based on the user's projected usage patterns. This is particularly useful for planning and budgeting purposes, helping to identify potential cost savings and make informed decisions regarding AWS service utilization.

Author: LeetQuiz Editorial Team