The correct answer identifies that AWS WAF can be deployed on Application Load Balancers, Amazon CloudFront distributions, and Amazon API Gateway APIs. This is accurate because AWS WAF is a web application firewall that inspects HTTP/HTTPS traffic at Layer 7, making it a natural fit for these services which terminate web requests. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this concept tests your ability to distinguish between web-layer protection (WAF) and network-layer DDoS mitigation (Shield Advanced). A common trap is confusing WAF with a network firewall—WAF does not inspect VPC traffic or handle network-level attacks. Remember the memory tip: WAF protects the "web" in "web application," so it only integrates with services that serve web traffic, not with VPCs or network gateways.
ANS-C01 Network Security, Compliance and Governance Practice Question
This ANS-C01 practice question tests your understanding of network security, compliance and governance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
Which TWO statements about AWS WAF are accurate? (Choose 2)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS WAF can block or allow web requests based on conditions such as IP addresses, HTTP headers, and URI strings
Options A and C are correct: WAF protects web applications and integrates with ALB, CloudFront, API Gateway. Option B is wrong because WAF is for web traffic, not network-level DDoS. Option D is wrong because WAF does not inspect VPC traffic. Option E is wrong because Shield Advanced is the managed DDoS service.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
AWS WAF provides protection against network-layer DDoS attacks
Why it's wrong here
Shield Advanced handles network-layer.
✗
AWS WAF can inspect traffic at the VPC level using VPC Flow Logs
Why it's wrong here
WAF does not use flow logs.
✗
AWS WAF automatically mitigates DDoS attacks without manual intervention
Why it's wrong here
That's AWS Shield Advanced.
✓
AWS WAF can block or allow web requests based on conditions such as IP addresses, HTTP headers, and URI strings
Why this is correct
Core functionality.
Related concept
Read the scenario before looking for a memorised answer.
✓
AWS WAF can be deployed on Application Load Balancers, Amazon CloudFront distributions, and Amazon API Gateway APIs
Why this is correct
Supported resources.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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.
Detailed technical explanation
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Network Security, Compliance and Governance — This question tests Network Security, Compliance and Governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS WAF can block or allow web requests based on conditions such as IP addresses, HTTP headers, and URI strings — Options A and C are correct: WAF protects web applications and integrates with ALB, CloudFront, API Gateway. Option B is wrong because WAF is for web traffic, not network-level DDoS. Option D is wrong because WAF does not inspect VPC traffic. Option E is wrong because Shield Advanced is the managed DDoS service.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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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.
Question Discussion
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