Lesson 3 - Terms

Question 1

What is forwarding

Answer 1

Transferring packets from an incoming link to an outgoing link within a single router

Question 2

What is routing

Answer 2

How routers work together using routing protocols to determine good paths

Question 3

What is intradomain routing

Answer 3

Routers in the same administrative domain

Question 4

What is interdomain routing

Answer 4

Routers in different administrative domains

Question 5

What is poison reverse

Answer 5

Solution to the negative count to infinity problem that only applies to when the problem is between two nodes

Question 6

What does RIP stand for

Answer 6

Router Information Protocol

Question 7

What are RIP advertisements

Answer 7

Periodic updates that contain information about sender’s distances to destination subnets

Question 8

What is a routing table

Answer 8

Contains its own distance vector and router’s forwarding table

Question 9

What is OSPF

Answer 9

Open Shortest Path First, uses link state routing algorithm to find the best path between the source and the destination router, was an advancement to the RIP protocol

Question 10

What is a hierarchy as it relates to link state routing protocols

Answer 10

OSPF autonomous system can be organized into hierarchies that run its own OSPF link-state routing algorithm

Question 11

What is an LSA

Answer 11

Linked-State Advertisement, communicates the router’s local routing topology to all other local routers in the same OSPF area

Question 12

What is hot potato routing

Answer 12

Technique of choosing path within the network that is the closest egress point based on intradomain path costs