- A
Attach the certificate to an Amazon CloudFront distribution.
Why wrong: CloudFront is not involved.
- B
Ensure the certificate is in the same AWS region as the ALB.
ACM certificates are region-specific.
- C
Create a DNS record to validate domain ownership.
Why wrong: ACM can validate via email or DNS, but ALB does not require it.
- D
Import the certificate into AWS Certificate Manager Private Certificate Authority.
Why wrong: Not needed for public certificate.
Question 662 of 1,705
ANS-C01 Network Implementation Practice Question
This ANS-C01 practice question tests your understanding of network implementation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 is deploying a public-facing web application on EC2 instances behind an Application Load Balancer. The ALB is configured to terminate HTTPS using a certificate from AWS Certificate Manager. What additional step is required to ensure the ALB can validate the certificate?
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
✓
Ensure the certificate is in the same AWS region as the ALB.
For an Application Load Balancer to terminate HTTPS using a certificate from AWS Certificate Manager (ACM), the certificate must be in the same AWS region as the ALB. ACM certificates are region-specific resources; the ALB can only reference certificates that are stored in the same region where the ALB is deployed. This is a fundamental constraint of ACM integration with regional services like ALB.
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.
- ✗
Attach the certificate to an Amazon CloudFront distribution.
Why it's wrong here
CloudFront is not involved.
- ✓
Ensure the certificate is in the same AWS region as the ALB.
Why this is correct
ACM certificates are region-specific.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a DNS record to validate domain ownership.
Why it's wrong here
ACM can validate via email or DNS, but ALB does not require it.
- ✗
Import the certificate into AWS Certificate Manager Private Certificate Authority.
Why it's wrong here
Not needed for public certificate.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The ANS-C01 exam often tests the misconception that ACM certificates are globally available or can be used across regions, when in fact they are region-specific and must match the ALB's region.
Detailed technical explanation
How to think about this question
ACM certificates are tied to a specific AWS region and cannot be shared across regions; when you request or import a certificate in ACM, it is stored only in that region's ACM service. The ALB's listener references the certificate ARN, and the ACM service in the same region must serve the certificate during TLS handshake. A common real-world scenario is deploying an ALB in eu-west-1 but accidentally requesting the certificate in us-east-1, causing the ALB to fail to find the certificate.
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.
TExam Day Tips
- 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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this ANS-C01 question test?
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Ensure the certificate is in the same AWS region as the ALB. — For an Application Load Balancer to terminate HTTPS using a certificate from AWS Certificate Manager (ACM), the certificate must be in the same AWS region as the ALB. ACM certificates are region-specific resources; the ALB can only reference certificates that are stored in the same region where the ALB is deployed. This is a fundamental constraint of ACM integration with regional services like ALB.
What should I do if I get this ANS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 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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