Conduct a check on learning and summarize the learning activity. DNS provides a hierarchical naming system that divides a domain into subdomains. Finally each host in a subdomain is given a symbolic name. Conduct a check on learning and summarize the learning activity. The following files describe the host network configuration parameters.
Parameters used here are for illustration purposes only.
Unix uses a resolver library to obtain the IP address that corresponds to a host name. This file specifies how names are resolved in what order. The first line specifies your system's domain name. It also attaches the loopback device, associates IP addresses with names, and sets up the routing table. Edit this script file on each host machine to set these definitions to the correct IP addresses.