AWS - Auto Scaling
If you launch an EC2 instance using a launch template version with a specified security group, but override the security group during launch, which security group is applied?
If you launch an EC2 instance using a launch template version with a specified security group, but override the security group during launch, which security group is applied?
medium📝 service behavior Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand override behavior in launch templates
Overrides provided at launch replace the corresponding settings in the launch template version.Step 2: Apply override precedence
The security group specified in the override replaces the one in the template version.Final Answer:
The security group specified in the override -> Option CQuick Check:
Overrides replace template settings = C [OK]
Quick Trick: Overrides take precedence over launch template settings [OK]
Common Mistakes:
- Thinking both security groups combine automatically
- Assuming template security group always applies
- Believing no security group applies if overridden
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