| A | B |
|---|
| smart serial | allows more data to be forwarded across fewer cable pins |
| neighbors | two routers that have interfaces to a common network |
| stub network | has a single exit point to the Internet or other networks |
| stub router | a router that is connected to only one other router |
| recursive route lookup | occurs to resolve the next-hop IP address of a previous route |
| summary route | a single route representing multiple, more specific routes |
| route summarization | a method of representing a series of network addresses as a single summary address |
| quad-zero route | default route, 0.0.0.0, representing either the network address or the subnet mask |
