AWS - VPC FundamentalsWhich AWS resource must a NAT Gateway be associated with to provide internet access for private subnets?AAn Elastic IP in a public subnetBA private IP in a private subnetCA security group allowing inbound SSHDA VPC endpoint for S3Check Answer
Step-by-Step SolutionSolution:Step 1: Identify NAT Gateway placementNAT Gateway must be placed in a public subnet and associated with an Elastic IP to route internet traffic.Step 2: Evaluate optionsOnly An Elastic IP in a public subnet correctly states the Elastic IP in a public subnet; others are unrelated or incorrect.Final Answer:An Elastic IP in a public subnet -> Option AQuick Check:NAT Gateway needs Elastic IP in public subnet [OK]Quick Trick: NAT Gateway needs Elastic IP in public subnet [OK]Common Mistakes:MISTAKESPlacing NAT Gateway in private subnetAssociating NAT Gateway with private IPConfusing security groups with subnet placement
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