AWS Solutions Architect Question of the Day | Question 19 of 65
? Understanding AWS Subnet Security
Public vs Private Subnets - what's the difference?
Public Subnet:
- Has a route to the internet gateway
- Resources can accept traffic from the internet
- Perfect for web servers and load balancers
Private Subnet:
- No route to the internet gateway
- Resources are isolated from direct internet access
- Ideal for application servers and databases
? Key Takeaway: For databases storing sensitive customer data, private subnets are non-negotiable. Don't rely on Security Groups alone and eliminate internet connectivity entirely by removing the internet gateway route.
All your tiers can still communicate internally using VPC networking and private IPs!
? Save this series for your certification journey!
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