SAA-C03 Design Cost-Optimized Architectures Practice Question
This SAA-C03 practice question tests your understanding of design cost-optimized architectures. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: compute Savings Plans offer discounts for a committed hourly spend.. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A production internal reporting portal runs continuously on EC2 with predictable usage for the next three years. The team wants a discount while retaining some instance-family flexibility. What should they buy? The architecture review board prefers a managed AWS-native control.
Why wrong: Spot is interruptible and not ideal for always-on production baselines.
B
Dedicated Instances
Why wrong: Dedicated Instances isolate hardware but do not primarily optimize cost.
C
Compute Savings Plan
Compute Savings Plans provide discounts for a committed spend while allowing flexibility across instance families, sizes, Regions, and compute services.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Compute Savings Plan
The Compute Savings Plan offers the largest discount (up to 66%) in exchange for a commitment to a consistent amount of compute usage (measured in $/hour) for a 1- or 3-year term, while retaining flexibility across instance families, regions, and compute services (EC2, Fargate, Lambda). This matches the requirement for a discount on predictable three-year usage with instance-family flexibility, and it is a managed AWS-native purchasing option.
Key principle: Compute Savings Plans offer discounts for a committed hourly spend.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Spot Instances only
Why it's wrong here
Spot is interruptible and not ideal for always-on production baselines.
✗
Dedicated Instances
Why it's wrong here
Dedicated Instances isolate hardware but do not primarily optimize cost.
✓
Compute Savings Plan
Why this is correct
Compute Savings Plans provide discounts for a committed spend while allowing flexibility across instance families, sizes, Regions, and compute services.
Related concept
Compute Savings Plans offer discounts for a committed hourly spend.
✗
S3 Intelligent-Tiering
Why it's wrong here
S3 Intelligent-Tiering optimizes object storage, not EC2 compute spend.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Savings Plans with Reserved Instances, assuming that Reserved Instances (which lock to a specific instance family) are the only way to get a discount, but the question explicitly requires instance-family flexibility, making the Compute Savings Plan the correct choice.
Detailed technical explanation
How to think about this question
Compute Savings Plans apply to any EC2 instance family (including sizes within a family) across any region, and also cover AWS Fargate and Lambda usage, making them more flexible than EC2 Instance Savings Plans which lock you to a specific instance family in a region. The discount is applied to the on-demand rate up to the committed hourly spend, and any usage beyond the commitment is charged at standard on-demand rates. For a three-year, all-upfront Compute Savings Plan, the discount can reach up to 66% compared to on-demand pricing.
KKey Concepts to Remember
Compute Savings Plans offer discounts for a committed hourly spend.
They provide flexibility across EC2 instance families, sizes, OS, and Regions.
Discounts also apply to Fargate and Lambda usage.
Commitment periods are one or three years.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Compute Savings Plans offer discounts for a committed hourly spend.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review compute Savings Plans offer discounts for a committed hourly spend., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Design Cost-Optimized Architectures — This question tests Design Cost-Optimized Architectures — Compute Savings Plans offer discounts for a committed hourly spend..
What is the correct answer to this question?
The correct answer is: Compute Savings Plan — The Compute Savings Plan offers the largest discount (up to 66%) in exchange for a commitment to a consistent amount of compute usage (measured in $/hour) for a 1- or 3-year term, while retaining flexibility across instance families, regions, and compute services (EC2, Fargate, Lambda). This matches the requirement for a discount on predictable three-year usage with instance-family flexibility, and it is a managed AWS-native purchasing option.
What should I do if I get this SAA-C03 question wrong?
Review compute Savings Plans offer discounts for a committed hourly spend., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Compute Savings Plans offer discounts for a committed hourly spend.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This SAA-C03 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SAA-C03 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.