A Hybrid Network Architecture Must Be Used During a Company's

question 670

Multiple Choice

A hybrid network architecture must be used during a company's multi-year data center migration from multiple private data centers to AWS. The current data centers are linked together with private fiber. Due to unique legacy applications, NAT cannot be used. During the migration period, many applications will need access to other applications in both the data centers and AWS. Which option offers a hybrid network architecture that is secure and highly available, that allows for high bandwidth and a multi-region deployment post-migration?

• A) Use AWS Direct Connect to each data center from different ISPs, and configure routing to failover to the other data center's Direct Connect if one fails. Ensure that no VPC CIDR blocks overlap one another or the on-premises network.
• B) Use multiple hardware VPN connections to AWS from the on-premises data center. Route different subnet traffic through different VPN connections. Ensure that no VPC CIDR blocks overlap one another or the on-premises network.
• C) Use a software VPN with clustering both in AWS and the on-premises data center, and route traffic through the cluster. Ensure that no VPC CIDR blocks overlap one another or the on-premises network.
• D) Use AWS Direct Connect and a VPN as backup, and configure both to use the same virtual private gateway and BGP. Ensure that no VPC CIDR blocks overlap one another or the on-premises network.

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