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Troubleshooting Public vs Private IP Addresses in AWS: What I Learned from an AWS re/Start Lab

Networking has been one of the areas I've been trying to understand better during my AWS re/Start journey. One lab helped me connect several networking concepts to an actual troubleshooting scenario…

  • Instance A lacked internet access due to only having a private IP address
  • Instance B's dual private/public IP allowed external SSH access
  • Route tables and security groups contributed to connectivity issues

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