CCSP Cloud Platform and Infrastructure Security Practice Question
A cloud security engineer is implementing API Gateway security for a public-facing API. Which combination of controls best protects against both injection attacks and excessive usage?
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
✓
WAF integration and rate limiting
WAF integration protects against injection and other web attacks, while rate limiting prevents abuse by limiting requests per client.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
IAM authentication and VPC endpoint
Why it's wrong here
Incorrect; IAM auth provides access control but not attack prevention or rate control.
- ✗
JWT validation and WAF integration
Why it's wrong here
Incorrect; JWT validates identity, but does not prevent excessive usage.
- ✓
WAF integration and rate limiting
Why this is correct
Correct; WAF blocks injections, rate limiting controls usage.
- ✗
API keys and TLS enforcement
Why it's wrong here
Incorrect; API keys authenticate but do not prevent injection or rate abuse.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.