ANS-C01 Network Security, Compliance and Governance Practice Question
A company uses AWS Shield Advanced for DDoS protection. During an attack, they notice that legitimate traffic is being throttled. Which configuration change should be made to reduce false positives while maintaining protection?
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 rate limit threshold in the associated AWS WAF rate-based rule.
Increasing the rate limit threshold in the associated AWS WAF rate-based rule can reduce false positives by allowing more legitimate traffic while still providing protection. Option A is incorrect because reducing the rate limit would increase false positives. Option C is incorrect because disabling the rule removes protection. Option D is incorrect because increasing sensitivity of the web ACL is not a direct setting; rate limits are set per rule.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reduce the rate limit in the Shield Advanced configuration.
Why it's wrong here
Shield Advanced does not have a configurable rate limit.
- ✓
Increase the rate limit threshold in the associated AWS WAF rate-based rule.
Why this is correct
A higher threshold allows more legitimate traffic before throttling.
- ✗
Disable the AWS WAF rate-based rule for the duration of the attack.
Why it's wrong here
Disabling removes protection.
- ✗
Increase the sensitivity of the AWS WAF web ACL.
Why it's wrong here
Web ACLs don't have a sensitivity setting.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ANS-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 ANS-C01 exam.