SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company has a legacy application that runs on an EC2 instance with a large attached EBS volume. The application writes log files to the volume, and the volume is frequently full, causing application errors. The Solutions Architect needs to implement a solution to automatically manage disk space without application changes. Which solution meets these requirements?
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
✓
Install the CloudWatch Logs agent and stream logs to CloudWatch Logs, then delete local logs.
The CloudWatch Logs agent can be installed to stream existing log files to CloudWatch Logs without modifying the application. After streaming, the agent can be configured to delete local log files to free disk space. This directly addresses the requirement to automatically manage disk space without application changes. Option C is incorrect because Amazon Data Lifecycle Manager (DLM) automates the creation and deletion of EBS snapshots, not the management of disk space within the volume. It does not delete log files or otherwise free in-volume space.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure an S3 Lifecycle policy to transition log files to Amazon S3 Glacier after 30 days.
Why it's wrong here
S3 Lifecycle policies apply to objects in S3, not to files on an EBS volume. This does not help manage disk space on the EC2 instance.
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Increase the EBS volume size and enable auto-scaling.
Why it's wrong here
Increasing the EBS volume size only postpones the problem; it does not automatically manage disk space. Enabling auto-scaling does not address the log filling issue.
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Use a script with Amazon Data Lifecycle Manager to snapshot the volume and delete old snapshots.
Why it's wrong here
Amazon Data Lifecycle Manager (DLM) manages EBS snapshots, not disk space within the volume. It cannot delete log files or free in-volume space.
- ✓
Install the CloudWatch Logs agent and stream logs to CloudWatch Logs, then delete local logs.
Why this is correct
The CloudWatch Logs agent can stream logs to CloudWatch Logs and then delete local log files, freeing disk space without application changes. This meets the requirement.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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