The correct configuration is to use the awslogs log driver in the task definition and specify the log group. This is the native, built-in mechanism for Amazon ECS with Fargate because Fargate abstracts the underlying infrastructure, meaning you cannot install a sidecar agent like the CloudWatch agent inside the container. The awslogs driver automatically captures stdout and stderr from the container and streams them directly to the specified CloudWatch Logs group without any additional setup. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your understanding of Fargate’s operational model and the distinction between EC2 launch type (where you could use a sidecar agent) and Fargate (where you must rely on the log driver). A common trap is selecting the CloudWatch agent or Fluentd, which require host-level access unavailable in Fargate. Memory tip: “Fargate = awslogs driver only; no agent, no host access.”
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. 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 designing a new application that will run on Amazon ECS with Fargate. The application needs to output logs to CloudWatch Logs. Which configuration should be used to send logs from the container to CloudWatch?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the awslogs log driver in the task definition and specify the log group.
The awslogs log driver is the native, built-in mechanism for Amazon ECS tasks using the Fargate launch type to send container logs directly to CloudWatch Logs. By specifying the 'awslogs' log driver in the task definition and providing the log group name, ECS automatically streams stdout and stderr from the container to the specified CloudWatch log group without requiring any additional agents or infrastructure.
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.
✓
Use the awslogs log driver in the task definition and specify the log group.
Why this is correct
The awslogs log driver is the native integration for ECS and Fargate to send logs to CloudWatch.
Related concept
Read the scenario before looking for a memorised answer.
✗
Install and configure the CloudWatch agent in the container image.
Why it's wrong here
The CloudWatch agent is typically used for EC2, not for Fargate tasks. The awslogs driver is simpler.
✗
Output logs to stdout/stderr and use a Lambda function to push them.
Why it's wrong here
This adds unnecessary complexity; the awslogs driver captures stdout/stderr automatically.
✗
Configure a sidecar container running the CloudWatch agent.
Why it's wrong here
A sidecar is not necessary; the awslogs driver works directly.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often over-engineer the solution by thinking a separate agent or sidecar is required for log shipping, when in fact the awslogs log driver is the simplest and most efficient native integration for ECS with Fargate.
Detailed technical explanation
How to think about this question
The awslogs log driver uses the Docker logging driver plugin to send log entries to CloudWatch Logs via the AWS API, automatically handling batching, retries, and log stream creation per container or task. Under the hood, it sends log events with a maximum size of 1 MB per PutLogEvents call and supports log retention policies defined on the log group. In a real-world scenario, this driver is critical for Fargate tasks because it eliminates the need to manage a separate logging agent or sidecar, reducing operational overhead and ensuring logs are available immediately for troubleshooting.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: Use the awslogs log driver in the task definition and specify the log group. — The awslogs log driver is the native, built-in mechanism for Amazon ECS tasks using the Fargate launch type to send container logs directly to CloudWatch Logs. By specifying the 'awslogs' log driver in the task definition and providing the log group name, ECS automatically streams stdout and stderr from the container to the specified CloudWatch log group without requiring any additional agents or infrastructure.
What should I do if I get this SAP-C02 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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Question Discussion
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