AWS - EC2 Fundamentals
If you launch an EC2 instance without specifying a security group, what will happen?
If you launch an EC2 instance without specifying a security group, what will happen?
medium📝 service behavior Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand default security group behavior
If no security group is specified, AWS assigns the default security group of the VPC automatically.Step 2: Exclude failure or no access scenarios
Instance launch does not fail and it does have network access through the default group.Final Answer:
The instance will launch with the default security group of the VPC -> Option DQuick Check:
Default security group assigned if none specified [OK]
Quick Trick: No security group? AWS uses VPC's default group automatically [OK]
Common Mistakes:
MISTAKES- Thinking launch fails without explicit security group
- Assuming instance has no network access
- Believing security groups can be assigned from other VPCs
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