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AWS Certified Solutions Architect study material · question 404 of 500

How does one generic AMI serve many customers with different content?

  1. Each instance reads the bucket name from its own user data at launch
  2. Each instance is given a different instance type
  3. The AMI is copied and edited for every customer
  4. Each instance queries CloudFormation for its configuration
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Answer: A. Each instance reads the bucket name from its own user data at launch

A generic AMI plus user data naming a per-customer bucket lets one image serve many customers, with new ones added by creating a bucket.

Source: Use instance metadata to manage your EC2 instance (Amazon Web Services) — User data

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