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AWS Certified Solutions Architect study material · question 98 of 500

Which naming rule applies to a security group?

  1. Its name is case sensitive within the VPC
  2. Its name must begin with sg- to be valid
  3. Its name must be unique within the VPC and may not begin with sg-
  4. Its name must be unique across the whole account
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Answer: C. Its name must be unique within the VPC and may not begin with sg-

Security group names are unique per VPC, are not case sensitive, and the sg- prefix is reserved for group identifiers.

Source: Control traffic to your AWS resources using security groups (Amazon Web Services) — Security group basics

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