A US-based financial firm with two on-premises data centers in the same Region needs secure, highly available hybrid connectivity to AWS. The company requires reliable encrypted access from its corporate networks to private resources in AWS located in us-east-1 and us-west-2, and it wants to send large volumes of data to Amazon S3 over the same connection. Which combination of actions should the network team take to satisfy these requirements? (Choose two.)
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Correct answer: Establish an AWS Direct Connect link from each of the company's data centers., Create a public virtual interface to reach Amazon S3. Layer an AWS Site-to-Site VPN over the public VIF to encrypt traffic to the VPCs in us-east-1 and us-west-2..
Why this is the answer
Establishing a Direct Connect link from each data center provides high availability and redundancy, crucial for a financial firm. Direct Connect offers dedicated, high-bandwidth, low-latency connections. A public virtual interface (VIF) is necessary to reach public AWS services like S3 over Direct Connect. While S3 traffic can be sent over a public VIF, the requirement for encrypted access to private resources in VPCs (us-east-1 and us-west-2) necessitates layering an AWS Site-to-Site VPN over this public VIF. This encrypts the traffic to the VPCs while leveraging the Direct Connect for the underlying connectivity. Incorrect options: A private VIF is used for private IP space within a VPC, not for public S3 endpoints. Layering a VPN over a private VIF for S3 is incorrect. A single Direct Connect link from one data center lacks the required high availability. A transit VIF is used with a Direct Connect Gateway to connect to multiple VPCs or Transit Gateways, but it doesn't directly address the S3 connectivity or the specific encryption requirement for VPCs over public endpoints.
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