An Auto Scaling group has MinSize=2, MaxSize=6, and DesiredCapacity=4. If a scale-out event requests 5 additional instances, how many instances will the group have after scaling?

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AWS - Auto Scaling

An Auto Scaling group has MinSize=2, MaxSize=6, and DesiredCapacity=4. If a scale-out event requests 5 additional instances, how many instances will the group have after scaling?

A9 instances

B4 instances

C5 instances

D6 instances

Step-by-Step Solution

Solution:

Step 1: Calculate new DesiredCapacity after scale-out
Current DesiredCapacity 4 plus 5 equals 9.
Step 2: Check against MaxSize
MaxSize is 6, so DesiredCapacity is capped at 6.
Final Answer:
6 instances -> Option D
Quick Check:
DesiredCapacity capped by MaxSize after scaling [OK]

Quick Trick: DesiredCapacity cannot exceed MaxSize after scaling [OK]

Common Mistakes:

MISTAKES

Ignoring MaxSize limit and expecting 9 instances
Adding scale-out amount incorrectly

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More AWS Quizzes

An Auto Scaling group has MinSize=2, MaxSize=6, and DesiredCapacity=4. If a scale-out event requests 5 additional instances, how many instances will the group have after scaling?

Step 1: Calculate new DesiredCapacity after scale-out

Step 2: Check against MaxSize

Final Answer:

Quick Check:

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