This ANS-C01 practice question tests your understanding of network design. 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.
A company has an application that requires fixed IP addresses for whitelisting by third-party partners. The application is hosted on an Application Load Balancer (ALB) in a VPC. Which solution provides static IP addresses for the ALB?
Place an AWS Global Accelerator in front of the ALB.
Global Accelerator provides static IPs for ALB.
Use Amazon CloudFront with the ALB as origin.
Why wrong: CloudFront provides static IPs but is for content delivery.
Assign an Elastic IP to the ALB.
Why wrong: ALB does not support Elastic IP.
Replace the ALB with a Network Load Balancer (NLB).
Why wrong: NLB is Layer 4, but the application may need Layer 7 features.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Place an AWS Global Accelerator in front of the ALB.
AWS Global Accelerator provides two static IP addresses that act as fixed entry points for traffic. By placing it in front of an Application Load Balancer (ALB), you can whitelist these static IPs with third-party partners while the ALB itself remains dynamic. Global Accelerator uses the AWS global network to route traffic to the ALB, preserving the ALB's native HTTP/HTTPS features.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Place an AWS Global Accelerator in front of the ALB.
Why this is correct
Global Accelerator provides static IPs for ALB.
Related concept
Read the scenario before looking for a memorised answer.
Use Amazon CloudFront with the ALB as origin.
Why it's wrong here
CloudFront provides static IPs but is for content delivery.
Assign an Elastic IP to the ALB.
Why it's wrong here
ALB does not support Elastic IP.
Replace the ALB with a Network Load Balancer (NLB).
Why it's wrong here
NLB is Layer 4, but the application may need Layer 7 features.
Common exam traps
The trap here is that candidates assume CloudFront provides static IPs (it does not — it uses a shared, dynamic IP range) or that an ALB can be assigned an Elastic IP (only NLBs support Elastic IP assignment), leading them to choose B or C instead of Global Accelerator.
Detailed technical explanation
Global Accelerator uses Anycast IP addresses from the AWS edge, which are static and do not change unless you deliberately delete the accelerator. Under the hood, it leverages the AWS global network backbone to optimize traffic flow, reducing latency and jitter compared to internet-based routing. A real-world scenario is a financial application that requires fixed IPs for firewall rules across multiple regions — Global Accelerator provides two static IPs that remain consistent even if the underlying ALB is replaced or scaled.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
The correct answer is: Place an AWS Global Accelerator in front of the ALB. — AWS Global Accelerator provides two static IP addresses that act as fixed entry points for traffic. By placing it in front of an Application Load Balancer (ALB), you can whitelist these static IPs with third-party partners while the ALB itself remains dynamic. Global Accelerator uses the AWS global network to route traffic to the ALB, preserving the ALB's native HTTP/HTTPS features.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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.
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