[Solved] Given the scheduled scaling configuration:{"ScheduledActionName": "EveningScaleDown", "StartTime": "2024-08-15T20:00:00Z", "DesiredCapacity":... | AWS

AWS - Auto Scaling

Given the scheduled scaling configuration:

{"ScheduledActionName": "EveningScaleDown", "StartTime": "2024-08-15T20:00:00Z", "DesiredCapacity": 3}

What will AWS Auto Scaling do at 8 PM UTC on August 15, 2024?

APause all scaling activities until further notice

BTerminate all instances in the Auto Scaling group

CIncrease the desired capacity by 3 instances

DSet the Auto Scaling group desired capacity to 3 instances

Step-by-Step Solution

Solution:

Step 1: Analyze the JSON snippet
The action named "EveningScaleDown" is scheduled to start at the specified UTC time with DesiredCapacity set to 3.
Step 2: Understand the effect of DesiredCapacity
At the start time, the Auto Scaling group will adjust its desired capacity to exactly 3 instances.
Final Answer:
Set the Auto Scaling group desired capacity to 3 instances -> Option D
Quick Check:
DesiredCapacity sets exact instance count, not increments [OK]

Quick Trick: DesiredCapacity sets exact instance count at start time [OK]

Common Mistakes:

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