SAP-C02 Continuous Improvement for Existing Solutions Practice Question
A company runs a critical application on Amazon EC2 instances in an Auto Scaling group. The application needs to maintain a fixed number of instances and should automatically replace any unhealthy instance. Which scaling policy should be used?
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
✓
Manual scaling with health check replacement
A manual scaling policy set to maintain a fixed number of instances combined with health checks ensures that unhealthy instances are replaced.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Scheduled scaling policy
Why it's wrong here
Scheduled scaling changes capacity at specific times, not based on health.
- ✗
Simple scaling policy
Why it's wrong here
Simple scaling policies adjust based on CloudWatch alarms, not health checks.
- ✗
Target tracking scaling policy
Why it's wrong here
Target tracking adjusts based on a metric, not a fixed count.
- ✓
Manual scaling with health check replacement
Why this is correct
Manual scaling sets the desired capacity and health checks replace unhealthy instances.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-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 SAP-C02 exam.