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You have an environment that consists of a public subnet using Amazon VPC and 3 instances that are running
in this subnet. These three instances can successfully communicate with other hosts on the Internet. You

launch a fourth instance in the same subnet, using the same AMI and security group configuration you used for
the others, but find that this instance cannot be accessed from the internet. What should you do to enable
Internet access?

Deploy a NAT instance into the public subnet.

Assign an Elastic IP address to the fourth instance.

Configure a publically routable IP Address in the host OS of the fourth instance.

Modify the routing table for the public subnet.

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