You need to know Netbios Name Resolution and Host name resolution
How to integrate WINS and DNS.
How to enable DNS for WINS resolution.
DHCP can only integrate with WINS if you specify the 44/NBNS server, and /46NBT node type
Know the #PRE #DOM #INCLUDE from lmhosts-file
Exclude UNIX clients from any DHCP scopes
The cache.dns file contain’s name to-IP-addressing information for the Internet’s root DNS servers.
For routing you need to enable IP forwarding.
RIP for IP effeciently solves problem of having to update routing tables.
For DHCP to assign IP addresses to a remote subnet, a DHCP Relay Agent needs to be set up on router in between subnets to broadcast requests, or DHCP servers must be on both subnets.
Know the problems when you have an LMHOSTS file and you can remove the # signs out, example:
147.68.56.54 #APPServer