This DOP-C02 practice question tests your understanding of monitoring and logging. 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 DevOps engineer is tasked with setting up a centralized logging solution for a multi-account AWS environment. Which service should be used to aggregate logs from multiple accounts?
Amazon S3 with cross-region replication
Why wrong: S3 is storage, not a real-time log aggregation service.
AWS CloudTrail with organization trails
Why wrong: CloudTrail records API calls, not application logs.
Amazon CloudWatch Logs with cross-account subscription
CloudWatch Logs supports cross-account subscriptions to centralize logs.
AWS Config with aggregated compliance rules
Why wrong: AWS Config tracks configuration changes, not logs.
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 with cross-account subscription
Amazon CloudWatch Logs can aggregate logs across accounts using cross-account subscriptions with a central destination (e.g., Kinesis or Lambda). Option C is correct. Option A is incorrect because S3 is a storage service, not for real-time aggregation. Option B is incorrect as CloudTrail is for API activity, not application logs. Option D is incorrect because AWS Config is for configuration compliance.
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 S3 with cross-region replication
Why it's wrong here
S3 is storage, not a real-time log aggregation service.
AWS CloudTrail with organization trails
Why it's wrong here
CloudTrail records API calls, not application logs.
Amazon CloudWatch Logs with cross-account subscription
Why this is correct
CloudWatch Logs supports cross-account subscriptions to centralize logs.
Related concept
Static NAT maps one inside address to one outside address.
AWS Config with aggregated compliance rules
Why it's wrong here
AWS Config tracks configuration changes, not logs.
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.
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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 with cross-account subscription — Amazon CloudWatch Logs can aggregate logs across accounts using cross-account subscriptions with a central destination (e.g., Kinesis or Lambda). Option C is correct. Option A is incorrect because S3 is a storage service, not for real-time aggregation. Option B is incorrect as CloudTrail is for API activity, not application logs. Option D is incorrect because AWS Config is for configuration compliance.
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.
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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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