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AWS Certified Solutions Architect study material · question 379 of 500

How do instances in an AWS Outposts subnet communicate with instances in the parent Region?

  1. Through a peering connection between two VPCs
  2. Over private IP addresses inside the same VPC
  3. Over public IP addresses through an internet gateway
  4. Through a Site-to-Site VPN tunnel
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Answer: B. Over private IP addresses inside the same VPC

Outpost subnets belong to a VPC in the parent Region, so instances there reach Regional instances over private addresses within that VPC.

Source: What is AWS Outposts? (Amazon Web Services) — What is AWS Outposts?

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