How can the learn optimize the cost of the workload?

An application team has started using Amazon EMR to run batch jobs using datasets located in Amazon S3. During the initial testing of the workload a solutions architect notices that the account is starting to accrue NAT gateway data processing costs

How can the learn optimize the cost of the workload?
A . Detach the NAT gateway from the subnet where the Amazon EMR clusters are running
B . Replace the NAT gateway with a customer gateway
C . Replace the NAT gateway with an S3 VPC endpoint
D . Configure a network ACL on the subnets where the Amazon EMR clusters are running to open access to Amazon S3

View Answer

Answer: A