Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A dev sandbox has unpredictable DynamoDB traffic with long idle periods and occasional spikes. Which capacity mode should minimize operational overhead and avoid paying for idle provisioned capacity?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Reserved capacity for maximum daily traffic
Reserved capacity works best for predictable steady usage.
B
Distractor review
Provisioned capacity set for peak traffic
Provisioning for peak traffic wastes cost during idle periods.
C
Best answer
DynamoDB on-demand capacity mode
On-demand capacity is suitable for unpredictable workloads and charges per request without capacity planning.
D
Distractor review
Global tables in every Region
Global tables add replication cost and do not solve idle-capacity waste.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: DynamoDB on-demand capacity mode — On-demand mode is cost-effective for unpredictable and intermittent DynamoDB workloads.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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