DBS-C01 Monitoring and Troubleshooting Practice Question
A company is using Amazon DynamoDB with auto scaling enabled. The application is experiencing higher than expected write throttling. Which action should be taken to resolve this issue?
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
✓
Increase the minimum provisioned capacity for the table.
Auto scaling adjusts capacity based on workload, but it can lag behind sudden traffic spikes, causing write throttling. Increasing the minimum provisioned capacity ensures a baseline capacity that can accommodate predictable bursts, reducing throttling. Option A (increase min capacity) is correct. Option B (disable auto scaling and set fixed capacity) would remove the benefit of dynamic scaling and may not handle varying loads. Option C (decrease max capacity) would limit the table's ability to scale up, potentially worsening throttling. Option D (switch to on-demand) could eliminate throttling but at higher cost, and the question asks for a resolution while keeping auto scaling enabled.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Increase the minimum provisioned capacity for the table.
Why this is correct
Increasing the minimum capacity ensures that the table can handle baseline traffic and reduces the chance of throttling during spikes.
- ✗
Disable auto scaling and set a fixed provisioned capacity.
Why it's wrong here
Disabling auto scaling may lead to over-provisioning or under-provisioning; it is not a recommended fix.
- ✗
Decrease the maximum provisioned capacity to limit writes.
Why it's wrong here
Decreasing maximum capacity would increase throttling, not reduce it.
- ✗
Switch the table to on-demand capacity mode.
Why it's wrong here
On-demand mode may reduce throttling but is a different capacity mode, not a direct fix for auto scaling.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DBS-C01 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 DBS-C01 exam.