$55.$ In a dynamic configuration, the machine asks the network what its configuration parameters should be$.$ More diligently, it talks to a service on the network, which responds with those parameters. What is this service called in Internet Protocol versions $4$ and $6($IPv$4$ and IPv$6)?$

a$).$ DHTCL

b$).$ HTIPS

c$).$ DHCP

d$).$ DNS