AWS - VPC Fundamentals
Which AWS resource is required for instances in a private subnet to access the internet?
Which AWS resource is required for instances in a private subnet to access the internet?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify internet access for private subnet
Instances in private subnets do not have direct internet access via IGW.Step 2: Use NAT for outbound internet
To allow outbound internet access, a NAT Gateway or NAT Instance in a public subnet is required.Final Answer:
NAT Gateway or NAT Instance -> Option CQuick Check:
Private subnet internet access = NAT Gateway [OK]
Quick Trick: Private subnet needs NAT for internet access [OK]
Common Mistakes:
MISTAKES- Choosing IGW for private subnet internet access
- Confusing ELB with internet access
- Thinking VPC Peering provides internet
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