Review Questions

1:	Which UDP port number is used to access IGRP?
2:	What is the maximum IGRP internetwork diameter, in hops?
3:	What is the default update period for IGRP?
4:	Why does IGRP specify an autonomous system number?
5:	Referring to Figure 6.11, will the router McCloy advertise 192.168.1.0 as an interior, system, or external route? Similarly, as what type of route will Acheson advertise 172.16.0.0?
6:	What is the default IGRP holddown time?
7:	Which variables can IGRP use to calculate its composite metric?
8:	How many entries can be carried within a single IGRP update packet?