A company is migrating apps from a data center to AWS. Many apps must exchange data with an on-premises mainframe and require peak throughput of 4 Gbps. The design must be highly available and survive loss of circuits or routers. Which deployment meets these goals?
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Correct answer: Order four 10 Gbps AWS Direct Connect connections that are evenly spread over two locations. Terminate one connection from each Direct Connect location to a router at the company location. Terminate the other connection from each Direct Connect location to a different router at the company location..
Why this is the answer
The correct option provides the required throughput and high availability. Four 10 Gbps Direct Connect connections provide a total potential throughput of 40 Gbps, easily exceeding the 4 Gbps peak requirement and offering significant headroom. Spreading these connections across two locations and terminating them on different routers at the company location ensures high availability and resilience against single points of failure (e.g., loss of a circuit, router, or entire Direct Connect location). The other options are incorrect because they either do not meet the 4 Gbps throughput requirement (e.g., 1 Gbps connections) or do not provide sufficient redundancy for high availability (e.g., only two connections, or not spread across multiple routers/locations).
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