- A
Use Amazon Kinesis Data Firehose in each account to stream logs to a central Amazon S3 bucket, then use Amazon Athena to query.
Why wrong: This works but is not the most direct or real-time solution; cross-account subscriptions are designed for this.
- B
Create a subscription filter in each account that delivers log events to a CloudWatch Logs destination in the central account.
Cross-account subscription filters allow real-time log aggregation from multiple accounts to a central account.
- C
Set up a cross-account destination using an Amazon Kinesis Data Streams stream in the central account and configure each account to send logs to that stream.
Why wrong: This is a valid approach but not the most straightforward; CloudWatch Logs subscription filters can directly send to a cross-account destination without Kinesis.
- D
Configure each application to use the PutLogEvents API to send logs directly to the central account's log group.
Why wrong: PutLogEvents requires the log stream to be in the same account; cross-account writes are not allowed.
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 DevOps engineer is configuring a centralized logging solution using Amazon CloudWatch Logs. They need to ensure that logs from multiple AWS accounts are aggregated into a single CloudWatch Logs account. Which approach meets this requirement?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create a subscription filter in each account that delivers log events to a CloudWatch Logs destination in the central account.
Option B is correct because CloudWatch Logs supports cross-account subscription filters that can deliver log events to a CloudWatch Logs destination in a central account. The destination is a logical resource that points to a Kinesis Data Stream or Lambda function in the central account, and the source account creates a subscription filter that sends matching log events to that destination. This allows centralized aggregation without requiring each account to manage separate streaming 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 Amazon Kinesis Data Firehose in each account to stream logs to a central Amazon S3 bucket, then use Amazon Athena to query.
Why it's wrong here
This works but is not the most direct or real-time solution; cross-account subscriptions are designed for this.
- ✓
Create a subscription filter in each account that delivers log events to a CloudWatch Logs destination in the central account.
Why this is correct
Cross-account subscription filters allow real-time log aggregation from multiple accounts to a central account.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set up a cross-account destination using an Amazon Kinesis Data Streams stream in the central account and configure each account to send logs to that stream.
Why it's wrong here
This is a valid approach but not the most straightforward; CloudWatch Logs subscription filters can directly send to a cross-account destination without Kinesis.
- ✗
Configure each application to use the PutLogEvents API to send logs directly to the central account's log group.
Why it's wrong here
PutLogEvents requires the log stream to be in the same account; cross-account writes are not allowed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the CloudWatch Logs destination (which is a cross-account subscription mechanism) with directly writing to a Kinesis stream or using PutLogEvents across accounts, both of which are not supported for cross-account log aggregation.
Detailed technical explanation
How to think about this question
Under the hood, a CloudWatch Logs destination is an AWS resource that encapsulates a target ARN (Kinesis Data Stream or Lambda) and an IAM role that grants the source account permission to write to that target. The subscription filter in the source account uses a filter pattern to select log events, which are then delivered to the destination via the Kinesis stream or Lambda function in the central account. This architecture supports near-real-time log aggregation and can handle high-throughput log streams from hundreds of accounts.
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 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
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.
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Monitoring and Logging — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Monitoring and Logging — This question tests Monitoring and Logging — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a subscription filter in each account that delivers log events to a CloudWatch Logs destination in the central account. — Option B is correct because CloudWatch Logs supports cross-account subscription filters that can deliver log events to a CloudWatch Logs destination in a central account. The destination is a logical resource that points to a Kinesis Data Stream or Lambda function in the central account, and the source account creates a subscription filter that sends matching log events to that destination. This allows centralized aggregation without requiring each account to manage separate streaming infrastructure.
What should I do if I get this DOP-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.
About these practice questions
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Last reviewed: Jun 24, 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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