Review Questions

Answers to the review questions can be found in Appendix A, "Answers to Review Questions."

1:	Name the most common ISDN switch types in the U.S. and Canada?
2:	Type a command that sets up the switch-type NI1 for a Cisco IOS Software ISDN router in global configuration mode.
3:	Type a command to define a local pool of 63 IP addresses for your core router, starting with 20.18.15.1, if the pool name is LOCAL_POOL.
4:	What is the theoretical maximum number of ports in PAT?
5:	How much memory consumes one NAT translation?
6:	Name at least five protocols that are supported by Cisco IOS Software NAT.
7:	In the case of the virtual interfaces, what happens with the route when the connection is tear-down?
8:	Name three main functions of multilink systems.
9:	Why would you use multilink PPP between a remote office and corporate headquarters?
10:	On which interface types can you use multilink PPP?
11:	What does the MRRU stand for and at which stage of the PPP protocol is it used?
12:	What is the purpose of using the endpoint discriminator (ED) option in MP?
13:	What Cisco IOS Software command displays the status of the stack group members ?
14:	Name the five possible states of the peer in the stack-group.