Cloud Digital Leader How Google Cloud Resources Are Managed Practice Question
A company wants to reserve Compute Engine resources for a 3-year term to get a significant discount. Which discount type should they use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
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Committed use discount
Committed use discounts (CUDs) allow you to commit to a certain level of usage for 1 or 3 years in exchange for a discounted rate.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Preemptible VM discount
Why it's wrong here
Preemptible VMs offer lower prices but are ephemeral, with no capacity guarantee; Compute Engine can terminate them at any time within a 24-hour window, making them unsuitable for a 3-year reservation. They do not provide any upfront commitment or discounted pricing over a long term; instead, they are meant for fault-tolerant, interruptible workloads.
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Sustained use discount
Why it's wrong here
Sustained use discounts automatically apply when a VM runs for a significant portion of a billing month, without any upfront payment or long-term commitment. They neither reserve capacity nor lock in a discounted rate over a 3-year term; they are a per-month usage-based discount, not a way to guarantee availability or fixed pricing for reserved resources.
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Sole-tenant node discount
Why it's wrong here
Sole-tenant nodes let you run VMs on dedicated hardware to meet compliance or licensing requirements, but they do not inherently include a 3-year discount. While you can apply Committed Use Discounts to sole-tenant nodes, the option itself is not a discount mechanism; it is a placement/hardware isolation feature, so it doesn't satisfy the requirement to reserve and get a reduced price for a 3-year term.
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Committed use discount
Why this is correct
Committed Use Discounts (CUDs) allow you to commit to a specific amount of vCPUs, memory, or spend for a 1- or 3-year term, in exchange for a substantially reduced price. By purchasing a commitment, you reserve capacity and pay a predictable lower rate for the entire term, making it the appropriate mechanism to reserve Compute Engine resources for a 3-year period.
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