Question 275 of 1,750
Monitoring and LoggingmediumMultiple SelectObjective-mapped

DOP-C02 CloudWatch Logs retention policy 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. A key principle to apply: cloudWatch Logs retention policy. 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 uses Amazon CloudWatch Logs to store application logs. They have a requirement to retain logs for 90 days for operational analysis and then archive them to Amazon S3 for compliance purposes for an additional 5 years. Which of the following steps are necessary to meet this requirement? (Select TWO.)

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

Set the CloudWatch Logs retention policy on the log group to 90 days.

Option A is correct because setting the CloudWatch Logs retention policy on the log group to 90 days ensures logs are retained for operational analysis and then automatically expire (deleted) after 90 days. Option E is correct because to archive logs to Amazon S3 for compliance, you must use a CloudWatch Logs export task to export logs to S3 before the retention period expires. Option B is incorrect because an S3 lifecycle policy applies to objects already in S3, not to logs in CloudWatch. Option C is incorrect because subscription filters can stream logs in real time to destinations like Lambda or Kinesis, but not directly to S3 for archival. Option D is incorrect because CloudWatch Logs does not have a lifecycle policy to transition logs directly to S3; export is required.

Key principle: CloudWatch Logs retention policy

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Set the CloudWatch Logs retention policy on the log group to 90 days.

    Why this is correct

    This ensures logs are deleted after 90 days.

    Related concept

    CloudWatch Logs retention policy

  • Set an S3 lifecycle policy on the destination bucket to transition objects to Glacier after 90 days.

    Why it's wrong here

    This is for objects already in S3, not for the initial move.

  • Create a CloudWatch Logs subscription filter to stream logs to Amazon S3 in real time.

    Why it's wrong here

    Subscription filters stream to Lambda, Kinesis, or Elasticsearch, not directly to S3.

  • Configure a CloudWatch Logs lifecycle policy to transition logs to Amazon S3 after 90 days.

    Why it's wrong here

    CloudWatch Logs does not have a lifecycle policy to S3.

  • Create a CloudWatch Logs export task to export logs to Amazon S3 before the retention period expires.

    Why this is correct

    Export task copies logs to S3 for long-term storage.

    Related concept

    CloudWatch Logs retention policy

Common exam traps

Common exam trap: answer the scenario, not the keyword

Don't confuse CloudWatch Logs retention policies with S3 lifecycle policies. Retention only controls deletion from CloudWatch, not export to S3.

Detailed technical explanation

How to think about this question

Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • CloudWatch Logs retention policy
  • CloudWatch Logs export task

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

CloudWatch Logs retention policy

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.

Quick reference

AWS S3 Storage Class Comparison

Storage ClassMin DurationRetrievalUse Case
S3 StandardNoneImmediateFrequently accessed data
S3 Standard-IA30 daysImmediateInfrequent access, rapid retrieval
S3 One Zone-IA30 daysImmediateNon-critical infrequent data
S3 Intelligent-TieringNoneImmediate–hoursUnknown or changing access patterns
S3 Glacier Instant90 daysMillisecondsArchive with instant retrieval
S3 Glacier Flexible90 daysMinutes–hoursArchive, flexible retrieval
S3 Glacier Deep Archive180 daysHoursLong-term compliance archive

What to study next

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Review cloudWatch Logs retention policy, then practise related DOP-C02 questions on the same topic to reinforce the concept.

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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 — CloudWatch Logs retention policy.

What is the correct answer to this question?

The correct answer is: Set the CloudWatch Logs retention policy on the log group to 90 days. — Option A is correct because setting the CloudWatch Logs retention policy on the log group to 90 days ensures logs are retained for operational analysis and then automatically expire (deleted) after 90 days. Option E is correct because to archive logs to Amazon S3 for compliance, you must use a CloudWatch Logs export task to export logs to S3 before the retention period expires. Option B is incorrect because an S3 lifecycle policy applies to objects already in S3, not to logs in CloudWatch. Option C is incorrect because subscription filters can stream logs in real time to destinations like Lambda or Kinesis, but not directly to S3 for archival. Option D is incorrect because CloudWatch Logs does not have a lifecycle policy to transition logs directly to S3; export is required.

What should I do if I get this DOP-C02 question wrong?

Review cloudWatch Logs retention policy, then practise related DOP-C02 questions on the same topic to reinforce the concept.

What is the key concept behind this question?

CloudWatch Logs retention policy

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Last reviewed: Jun 20, 2026

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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.