This appendix provides answers to the review questions that appear at the end of Chapter 1 and the even-numbered chapters that cover the key aspects of RIP, IGRP, EIGRP, OSPF, IS-IS, PIM, and BGP.
1 What is connectionless data networking?
Connectionless networking refers to transferring data in independent units referred to as packets, without the need to predefine the path of data flow. Instead, the packets are forwarded using a hop-by-hop routing paradigm between the source and destination.
2 Why is routing needed in a connectionless networking environment? List two means by which routers obtain information for routing packets toward their destinations.
The packets used in connectionless transfer ...