Which definition of the public subnet scope is true?

Refer to the Exhibit.
When specifying subnets under a bridge domain for a given tenant, the user can specify the scope of a subnet. Which definition of the public subnet scope is true?
A. It indicates that this subnet is advertised to the external router by the border leaf.
B. It indicates that this subnet is advertised to the border lead in ACI fabric.
C. It indicates that it must be leaked to one or more private networks within ACI fabric.
D. It indicates that this subnet is advertised to public internet and must be protected by a firewall.

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One thought on “Which definition of the public subnet scope is true?

  1. https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c07-732033.html
    Public subnet indicates that this subnet will be advertised to the external router by the border leaf.

    ● Private subnet indicates that this subnet will be contained within the ACI fabric and will not be advertised to external routers by the border leaf.

    ● Shared subnet is for shared services. It is used to indicate that this subnet needs to be leaked to one or more private networks. The shared subnet attribute is applicable to both public and private subnets. Details of shared services are not covered in this document.

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