CP Route v1 Vocabulary Ch05

Question 1

Area

Answer 1

a grouping of routers and router interfaces, typically contiguous, that strive to learn all topology information about routers within the group

Question 2

Area Border Router

Answer 2

a router that has interfaces connected to at least 2 different OSPF areas, one of which must be the backbone area; hold topolgy data for each area connected to, and calculate routes for each area and advertise about those routes between areas

Question 3

Backbone router

Answer 3

any OSPF router that has at least 1 interface connected to the backbone area

Question 4

Dead Interval

Answer 4

with OSPF, the timer used to determine when a neighboring router has failed, based on a router not receiving any OSPF messages, including Hellos, in this time period; aslo called Dead Timer

Question 5

Fully adjacent

Answer 5

any OSPF neighbor for which the database flooding process directly between the 2 neighbors has completed; not all neighbors directly exchange databases, so not all routers will reach this state

Question 6

Hello Interval

Answer 6

with OSPF, an interface timer that dictates how often the router should send Hello messages

Question 7

OSPF network type

Answer 7

a characteristic of OSPF interfaces that determines whether a DR election is attempted, whether neighbors must be statically configured, and the default Hello and Dead timer settings

Question 8

Router ID

Answer 8

in OSPF, a 32-bit number, written in dotted deicmal, that uniquely identifies each router