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Answer: Use the Google Cloud Pricing Calculator to determine the cost of every Google Cloud resource you expect to use. Use similar size instances for the web server, and use your current on-premises machines as a comparison for Cloud SQL.
The Google Cloud Pricing Calculator is the most accurate and recommended tool for calculating estimated costs of cloud infrastructure. Options A and B are not recommended because they either involve manual calculations or use non-existent templates. Option C involves running a test on cloud infrastructure, which might incur unnecessary costs and complexity. Therefore, the correct answer is D, as it provides a straightforward and reliable way to determine the cost of every Google Cloud resource expected to be used.
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Your company is currently operating a three-tier web application that relies on virtual machines for its various layers, including a MySQL database backend. You are tasked with migrating this application to Google Cloud, utilizing Google Cloud instances for the virtual machines and Cloud SQL for the MySQL database. How would you go about estimating the total cost of running this cloud infrastructure on Google Cloud?
A
Create a Google spreadsheet with multiple Google Cloud resource combinations. On a separate sheet, import the current Google Cloud prices and use these prices for the calculations within formulas.
B
Use the Google Cloud Pricing Calculator and select the Cloud Operations template to define your web application with as much detail as possible.
C
Implement a similar architecture on Google Cloud, and run a reasonable load test on a smaller scale. Check the billing information, and calculate the estimated costs based on the real load your system usually handles.
D
Use the Google Cloud Pricing Calculator to determine the cost of every Google Cloud resource you expect to use. Use similar size instances for the web server, and use your current on-premises machines as a comparison for Cloud SQL.