Question #1289
A company is planning to migrate its on-premises database to AWS and needs to forecast the expected monthly expenses for the new cloud infrastructure.
Which AWS service or feature should be used to accurately estimate these costs before migration?
AWS Migration Hub
AWS Cost Explorer
AWS Trusted Advisor
AWS Pricing Calculator
Explanation
The AWS Pricing Calculator (D) is designed specifically to model and estimate costs for AWS services before deployment. It enables users to input their expected resource usage (e.g., EC2 instances, RDS databases, storage) and generates a detailed cost forecast. This is critical for migration planning, as it helps the company budget accurately without relying on existing AWS usage data.
Why other options are incorrect:
- A. AWS Migration Hub: Tracks the status of migrations across AWS services but does not provide cost estimation.
- B. AWS Cost Explorer: Analyzes historical AWS spending and usage patterns, which is irrelevant for pre-migration forecasting.
- C. AWS Trusted Advisor: Provides optimization recommendations for existing AWS resources but cannot estimate costs for new, unmigrated infrastructure.
Key Points:
1. Use AWS Pricing Calculator for pre-migration cost estimation.
2. Migration Hub focuses on tracking migration progress.
3. Cost Explorer and Trusted Advisor require existing AWS usage data.
Answer
The correct answer is: D