Amazon Web Services AWS Certified DevOps Engineer - Professional DOP-C02 Question # 50 Topic 6 Discussion
DOP-C02 Exam Topic 6 Question 50 Discussion:
Question #: 50
Topic #: 6
A company streams logs to CloudWatch Logs. Logs must be searchable for 30 days, low-latency accessible for 90 days, and occasionally retrieved after 180 days.
Which solution is MOST cost-effective?
A.
Configure log retention of 30 days and export to S3 via Kinesis Data Streams. Use S3 Lifecycle policies.
B.
Configure retention of 30 days and stream to S3 via Kinesis Data Firehose. Transition to S3 One Zone-IA and Glacier Flexible Retrieval.
C.
Configure retention of 30 days and stream via Kinesis Data Streams, then store in S3 Standard-IA and Glacier Instant Retrieval.
D.
Configure retention of 30 days and stream via Kinesis Data Firehose to S3. Transition to S3 Standard-IA (90 days) and Glacier Deep Archive (180 days).
Exporting logs using CloudWatch subscription filters + Firehose → S3 enables long-term archival. S3 lifecycle transitions optimize cost with Standard-IA (low-latency) and Deep Archive (long-term retention). This matches AWS best practice for cost-effective log retention.
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