CP Route v1 Vocabulary Ch04

Question 1

address block

Answer 1

refers to a set of consecutive IP addresses; often used more generically than the terms of CIDR block

Question 2

auto summary

Answer 2

a routing protocol feature in which a router that connects to more than 1 classful network advertises summarized routes for each entire classful network when sending updates out interfaces connected to other classful networks

Question 3

default network

Answer 3

an IOS mechanism for determining a router’s default route, by which the router is configured with a classful network number as the default network, and the router uses its route for that network as its default route

Question 4

distribute list

Answer 4

a Cisco IOS configuration tool for routing protocols by which routing updates may be filtered

Question 5

gateway of last resort

Answer 5

the notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route

Question 6

prefix list

Answer 6

a Cisco IOS configuration tool that you can use to match routing updates based on a base network address, a prefix, and a range of possible masks used inside the values defined by the base network address and prefix

Question 7

route map

Answer 7

a configuration tool in Cisco IOS that enables basic programming logic to be applied to a set of items; often used for decisions about what routes to redistribute and for setting particular characteristics of those routes–for instance, metric values

Question 8

static default route

Answer 8

a default route configured in IOS using the ip route command

Question 9

subordinate route

Answer 9

a term used to refer to routes whose address range sits inside a large range that is advertised as a summary route