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Which AWS component must be attached to a NAT Gateway to enable internet access for private subnet instances?

easy📝 Conceptual Q2 of 15
AWS - VPC Fundamentals
Which AWS component must be attached to a NAT Gateway to enable internet access for private subnet instances?
ASecurity Group
BVirtual Private Gateway
CInternet Gateway
DElastic IP address
Step-by-Step Solution
Solution:

  1. Step 1: Identify NAT Gateway requirements

    NAT Gateway requires an Elastic IP to communicate with the internet.

  2. Step 2: Understand role of Elastic IP

    Elastic IP provides a public IP address for the NAT Gateway to route outbound traffic.

  3. Final Answer:

    Elastic IP address -> Option D

  4. Quick Check:

    NAT Gateway needs Elastic IP for internet access [OK]
Quick Trick: NAT Gateway must have Elastic IP for internet routing [OK]
Common Mistakes:
MISTAKES
  • Confusing Internet Gateway with Elastic IP
  • Thinking Security Group attaches to NAT Gateway
  • Assuming Virtual Private Gateway is needed

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