hard20 pts · first answer countsvpc-networkinghigh-availabilitycost-optimization

One NAT gateway for three AZs

An app runs in three AZs, but there is one NAT gateway in AZ-a and all private route tables point to it. What is the main risk?

A.NAT gateways are limited to 1 Mbps of bandwidthB.An AZ-a failure cuts egress for every AZ, and cross-AZ traffic is billedC.A NAT gateway cannot serve more than one subnetD.Each AZ needs its own internet gateway for the NAT to work

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One NAT gateway for three AZs

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