background image
Chapter 6 657
25
List one disadvantage of using a classful routing protocol.
All interfaces must use the same network mask..
26
What organization assigns public IP addresses?
The Internet Assigned Numbers Authority (IANA) assigns unique 32-bit IP addresses.
27
List two protocols that can be used to enact classless routing.
OSPF, EIGRP.
28
What is meant by the sentence "The router always looks for the longest match"?
If more than one entry in the routing table matches a particular destination, the longest
prefix match in the routing table is used. The route with the longest match is considered
to be the most specific route.
29
How is multicast traffic handled across the Internet?
The Internet's Multicast Backbone (MBONE) has been developed to handle multicast
traffic across the network.
30
What applications require the use of multicasting?
Multimedia, desktop conferencing.
Chapter 6
1
List five possible requirements for a routing protocol.
Should adapt to change easily and quickly.
Does not create a lot of traffic.
Scales to a large size.
Based on industry standards.
Compatible with existing hosts and routers.
2
What two tasks do routers perform?
Switching frames and path determination.
3
What is the simplest form of routing?
Static routing.
4
What type of routing determines the best path?
Dynamic routing.
87200333.book Page 657 Wednesday, August 22, 2001 1:41 PM