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Question 1 of 10
A Solutions Architect plans to migrate NAT instances to NAT gateway. The Architect has NAT instances with scripts to manage high availability. What is the MOST efficient method to achieve similar high availability with NAT gateway?
ARemove source/destination check on NAT instances.
BLaunch a NAT Gateway in each Availability Zone
CUse a mix of NAT instances and NAT gateway
DAdd an ELB Application Load Balancer in front of NAT gateway