AWS Certified Solutions Architect - Associate
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An application deployed in multiple availability zones in AWS uses a NAT gateway for internet access. To optimize costs, what configuration change would you recommend?
A
Replace the NAT gateway with a NAT instance in each availability zone.
B
Use a single shared NAT gateway for all availability zones.
C
Deploy NAT gateways in each availability zone.
D
Eliminate the NAT gateway and use public subnets.