Which design approach is used to fulfill the requirements?

Refer to the exhibit.

A developer runs the docker service scale command to increase the number of replicas for the cisco_devnet service. The swarm cluster is using a private IP address subnet.

The service has these design requirements:

✑ It must be hosted behind a virtual IP address that is reachable from the Internet.

✑ For security reasons, the Docker swarm cluster subnet must not be reachable from the Internet.

Which design approach is used to fulfill the requirements?
A . Create an overlay network by using a globally roulable subnet and enable a routing mesh within the swarm cluster.
B. Create a bridge network by using a globally routable subnet and enable a routing mesh within the swarm cluster.
C. Configure an external load balancer to route requests to the swarm service by using VPN.
D. Configure an external load balancer to route requests to the swarm service by using NAT.

View Answer

Answer: A