Quick Answer
The answer is Amazon CloudWatch Logs, as it is the only AWS service that provides a unified dashboard for centralized log aggregation from multiple accounts and on-premises servers. This works by using subscription filters to stream log data into a central CloudWatch Logs account, where cross-account log groups consolidate all entries for real-time monitoring and analysis. On the DOP-C02 exam, this scenario tests your understanding of CloudWatch Logs as a centralized destination versus storage or query-only services—a common trap is confusing S3 for a dashboard or assuming Kinesis alone provides visualization. Remember that CloudWatch Logs is the aggregation hub, while Athena queries data at rest and Kinesis streams it elsewhere. Memory tip: think "CloudWatch Logs = the central log sink," not just a source or stream.
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 DevOps engineer needs to centrally collect and analyze logs from multiple AWS accounts and on-premises servers. Which AWS service should be used to aggregate logs in a single dashboard?
Amazon Athena.
Why wrong: Athena queries data in S3 but is not a dashboard.
Amazon S3.
Why wrong: S3 stores logs but does not provide a dashboard.
Amazon CloudWatch Logs.
CloudWatch Logs can aggregate logs from multiple accounts and on-premises, and provides dashboards.
Amazon Kinesis Data Firehose.
Why wrong: Firehose delivers data but does not provide a dashboard.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon CloudWatch Logs.
Option D is correct because CloudWatch Logs can be used as a central destination for log data from multiple sources via subscription filters and cross-account log groups. Option A is wrong because S3 is storage, not a dashboard. Option B is wrong because Athena is a query service, not a dashboard. Option C is wrong because Kinesis is a streaming service, not a dashboard.
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
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon Athena.
Why it's wrong here
Athena queries data in S3 but is not a dashboard.
Amazon S3.
Why it's wrong here
S3 stores logs but does not provide a dashboard.
Amazon CloudWatch Logs.
Why this is correct
CloudWatch Logs can aggregate logs from multiple accounts and on-premises, and provides dashboards.
Related concept
Static NAT maps one inside address to one outside address.
Amazon Kinesis Data Firehose.
Why it's wrong here
Firehose delivers data but does not provide a dashboard.
Common exam traps
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
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.
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
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
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 — study guide chapter
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FAQ
Monitoring and Logging — This question tests Monitoring and Logging — Static NAT maps one inside address to one outside address..
The correct answer is: Amazon CloudWatch Logs. — Option D is correct because CloudWatch Logs can be used as a central destination for log data from multiple sources via subscription filters and cross-account log groups. Option A is wrong because S3 is storage, not a dashboard. Option B is wrong because Athena is a query service, not a dashboard. Option C is wrong because Kinesis is a streaming service, not a dashboard.
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.
Static NAT maps one inside address to one outside address.
About these practice questions
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company wants to collect and analyze logs from on-premises servers and send them to AWS for centralized monitoring. Which combination of AWS services should be used?
mediumWhy A: Option A is correct: CloudWatch Agent collects logs from on-prem servers and sends to CloudWatch Logs. Option B is wrong because Kinesis Agent is for streaming data to Kinesis, not CloudWatch Logs directly. Option C is wrong because the unified CloudWatch Agent is the recommended tool. Option D is wrong because SSM Agent does not collect logs.
Last reviewed: Jun 20, 2026
This DOP-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 DOP-C02 exam.
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