Medium1 markMultiple Choice
Domain 2.1: Planning and estimating GCP product usePricing CalculatorCost EstimationCommitted Use Discounts

GCP ACE · Question 10 · Domain 2.1: Planning and estimating GCP product use

Your company is planning to migrate a legacy application to Compute Engine. The application requires 15 VMs running 24/7 for the next 3 years. You need to estimate the total cost of this deployment and want to ensure you are factoring in the maximum possible discounts.

Which tool and discount type should you use to get the most accurate and lowest cost estimate?

Answer options:

A.

Use the Google Cloud Pricing Calculator and apply Sustained Use Discounts (SUDs).

B.

Use the Google Cloud Pricing Calculator and apply Committed Use Discounts (CUDs).

C.

Use the Billing Export to BigQuery to forecast future costs based on current on-premises usage.

D.

Create the resources in a test project and check the billing console after 24 hours.

How to approach this question

Identify the tool used for estimating costs before deployment, and the discount type designed for long-term, predictable workloads.

Full Answer

B.Use the Google Cloud Pricing Calculator and apply Committed Use Discounts (CUDs).✓ Correct
The Google Cloud Pricing Calculator is the standard tool for estimating costs before provisioning resources. For a workload that will run 24/7 for 3 years, Committed Use Discounts (CUDs) provide the deepest discounts (up to 57% or 70% depending on machine type) compared to automatic Sustained Use Discounts (SUDs).

Common mistakes

Choosing Sustained Use Discounts. While SUDs apply automatically to 24/7 workloads, CUDs provide a much higher discount rate when you can commit to a 1 or 3-year term.

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