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AWS Certified Solutions Architect study material · question 339 of 500

An EC2 instance is launched into a nondefault subnet with no public IPv4 address assigned. What connectivity does it have?

  1. It can receive inbound internet traffic but not initiate outbound
  2. It can reach other instances but not the internet
  3. It can reach the internet through the VPC's default route
  4. It has no network connectivity at all
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Answer: B. It can reach other instances but not the internet

Without a public IPv4 address the instance communicates inside the VPC only; internet access needs an internet gateway plus an Elastic IP, or a NAT device.

Source: How Amazon VPC works (Amazon Web Services) — Access the internet

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