Which two attachments are necessary to connect a transit gateway to an existing VPC with BGP? (Choose two )

Question

Options

• AA transport attachment
• BA BGP attachment
• CA connect attachment
• DA GRE attachment

• A
  83% (25)
• B
  10% (3)
• D
  7% (2)

Explanation

A transport attachment and a connect attachment are necessary to connect a transit gateway to an existing VPC with BGP. According to the AWS documentation for Transit Gateway, a transit gateway is a network transit hub that connects VPCs and on-premises networks. To connect a transit gateway to an existing VPC with BGP, you need to do the following steps: - Create a transport attachment. A transport attachment is a resource that connects a VPC or VPN to a transit gateway. You can specify the BGP options for the transport attachment, such as the autonomous system number (ASN) and the BGP peer IP address. - Create a connect attachment. A connect attachment is a resource that enables you to use your own appliance to provide network services for traffic that flows through the transit gateway. You can use a connect attachment to route traffic between the transport attachment and your appliance using GRE tunnels and BGP.

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