The correct combination is Amazon CloudWatch Container Insights and CloudWatch Alarms. Container Insights automatically collects and aggregates metrics like pod CPU and memory usage from Amazon EKS clusters, storing them as performance log events in CloudWatch Logs, which then generates actionable CloudWatch metrics. This allows you to visualize resource utilization directly in the CloudWatch console and set up CloudWatch Alarms to trigger notifications when thresholds are breached. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your ability to distinguish between monitoring, tracing, and logging services—a common trap is confusing CloudTrail (API auditing) or X-Ray (distributed tracing) with metrics collection. Remember that Container Insights is purpose-built for containerized environments like EKS, while Prometheus, though powerful, is not a native AWS service and is less direct for this scenario. Memory tip: think “Containers + Metrics = Container Insights,” and alarms are just a CloudWatch native away.
DOP-C02 Monitoring and Logging Practice Question
This DOP-C02 practice question tests your understanding of monitoring and logging. 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 runs a microservices application on Amazon EKS. The DevOps team wants to collect and visualize metrics such as pod CPU and memory usage, and set up alerts. Which combination of AWS services should be used?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon CloudWatch Container Insights and CloudWatch Alarms
Option B is correct because Container Insights collects metrics from EKS and stores them in CloudWatch, which can be visualized and alerted upon. Option A is wrong because X-Ray is for tracing, not metrics. Option C is wrong because Prometheus is not a native AWS service (though Amazon Managed Service for Prometheus exists, it is not the most direct answer). Option D is wrong because CloudTrail is for API logs.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Prometheus and Grafana on EC2
Why it's wrong here
This is possible but not an AWS managed service combination.
✗
AWS X-Ray and Amazon CloudWatch ServiceLens
Why it's wrong here
X-Ray is for tracing, not metrics collection.
✗
AWS CloudTrail and Amazon CloudWatch Logs
Why it's wrong here
CloudTrail is for API audit, not metrics.
✓
Amazon CloudWatch Container Insights and CloudWatch Alarms
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. 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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
Monitoring and Logging — This question tests Monitoring and Logging — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Amazon CloudWatch Container Insights and CloudWatch Alarms — Option B is correct because Container Insights collects metrics from EKS and stores them in CloudWatch, which can be visualized and alerted upon. Option A is wrong because X-Ray is for tracing, not metrics. Option C is wrong because Prometheus is not a native AWS service (though Amazon Managed Service for Prometheus exists, it is not the most direct answer). Option D is wrong because CloudTrail is for API logs.
What should I do if I get this DOP-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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