The answer is Amazon SQS, because it is a serverless message queue designed specifically to decouple microservices by buffering bursts of events from a producer and allowing a consumer to poll and process them in batches, with built-in durability and a dead-letter queue to retain messages if the consumer fails. This scenario tests your understanding of asynchronous integration patterns on the AWS Certified Solutions Architect Professional SAP-C02 exam, where the key distinction is that SQS provides pull-based, at-least-once delivery ideal for batch processing, unlike SNS which pushes and cannot buffer, or Kinesis which is optimized for real-time streaming rather than simple decoupling. A common trap is choosing SNS because it also decouples, but remember SNS pushes to subscribers and does not support polling or batch consumption. Memory tip: SQS = Queue, SNS = Notification; if the consumer needs to pull work at its own pace, think SQS.
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. 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 wants to decouple a microservices architecture where one service (producer) sends events to another service (consumer). The producer can generate bursts of events, and the consumer processes them in batches. The solution must be serverless and handle potential consumer failures without losing events. Which AWS service should be used as the message broker?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon SQS
Option A is correct because Amazon SQS is a serverless message queue that can buffer bursts and retain messages until the consumer processes them, with dead-letter queues for failures. Option B is wrong because Amazon SNS pushes messages to subscribers and does not support polling or batch processing. Option C is wrong because Kinesis Data Streams is for real-time streaming, not simple decoupling with batch processing. Option D is wrong because EventBridge is for event routing, not a message queue.
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.
✗
Amazon SNS
Why it's wrong here
SNS is a pub/sub messaging service that pushes messages to subscribers; it does not support polling or batch consumption.
✗
Amazon Kinesis Data Streams
Why it's wrong here
Kinesis is for real-time streaming of data, not for simple decoupling with batch processing.
✗
Amazon EventBridge
Why it's wrong here
EventBridge is an event bus for routing events between services; it does not provide a message queue for decoupling.
✓
Amazon SQS
Why this is correct
SQS provides a durable, serverless queue that decouples producers and consumers, supports batch processing, and can retain messages on failure.
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 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.
Identify which SAP-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.
Design for New Solutions — This question tests Design for New Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon SQS — Option A is correct because Amazon SQS is a serverless message queue that can buffer bursts and retain messages until the consumer processes them, with dead-letter queues for failures. Option B is wrong because Amazon SNS pushes messages to subscribers and does not support polling or batch processing. Option C is wrong because Kinesis Data Streams is for real-time streaming, not simple decoupling with batch processing. Option D is wrong because EventBridge is for event routing, not a message queue.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This SAP-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 SAP-C02 exam.
Question Discussion
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