CV0-004 Operations and Support Practice Question
A cloud engineer notices that an auto-scaling group is adding and removing instances too frequently, causing instability. Which configuration parameter should be adjusted to reduce this behavior?
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
✓
Increase the cooldown period
Cooldown periods prevent auto-scaling from launching or terminating instances too rapidly after a scaling activity. Scaling thresholds affect when scaling triggers, but the issue is frequency. Lifecycle hooks are for custom actions during scaling events. Health check grace period is for initial instance health.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the health check grace period
Why it's wrong here
This affects when instances are considered unhealthy, not scaling frequency.
- ✗
Disable lifecycle hooks
Why it's wrong here
Lifecycle hooks don't cause frequent scaling; they add delays during scaling.
- ✓
Increase the cooldown period
Why this is correct
A longer cooldown prevents rapid successive scaling actions.
- ✗
Lower the scaling metric thresholds
Why it's wrong here
Lowering thresholds may cause even more frequent scaling.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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