SOA-C02 Networking and Content Delivery Practice Question
This SOA-C02 practice question tests your understanding of networking and content delivery. 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 a web application that uses Amazon CloudFront and an Application Load Balancer as origin. The application requires HTTPS between CloudFront and the ALB. The ALB uses a certificate from AWS Certificate Manager (ACM) for the custom domain. The administrator notices that CloudFront returns HTTP 502 errors occasionally. The ALB target group shows healthy instances. What is the most likely cause of the 502 errors?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The SSL/TLS certificate on the ALB does not match the origin domain name configured in CloudFront
Option A is correct because a mismatch in the SSL/TLS certificate domain name will cause CloudFront to fail to connect to the origin. Option B is wrong because the origin response timeout of 30 seconds is generous; if the application responds within that, it should be fine. Option C is wrong because if the ALB is healthy, it can handle requests. Option D is wrong because CloudFront can connect to ALB over HTTPS.
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.
The CloudFront origin response timeout is set too low
Why it's wrong here
The default is 30 seconds; typically enough.
✗
The ALB security group denies traffic from CloudFront IP addresses
Why it's wrong here
If denied, all requests would fail, not intermittent.
✓
The SSL/TLS certificate on the ALB does not match the origin domain name configured in CloudFront
Why this is correct
CloudFront validates the certificate against the origin domain name.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
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 SOA-C02 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.
Networking and Content Delivery — This question tests Networking and Content Delivery — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The SSL/TLS certificate on the ALB does not match the origin domain name configured in CloudFront — Option A is correct because a mismatch in the SSL/TLS certificate domain name will cause CloudFront to fail to connect to the origin. Option B is wrong because the origin response timeout of 30 seconds is generous; if the application responds within that, it should be fine. Option C is wrong because if the ALB is healthy, it can handle requests. Option D is wrong because CloudFront can connect to ALB over HTTPS.
What should I do if I get this SOA-C02 question wrong?
Identify which SOA-C02 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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This SOA-C02 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 SOA-C02 exam.
Question Discussion
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