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192.168.7.0
D. 172.16.0.0
E. 192.168.3.0
192.168.4.0
192.168.5.0
Answer: A
Explanation: IGRP routing table contains all directly connected networks and those learned by IGRP. As
Router A and Router B share a directly connected network thus they will share routing tables.
Incorrect Answers:
B is incorrect; Router B’s routing table will also contain the networks that are directly connected to Router A.
C is incorrect; the routing table will also contain 172.16.0.0.
D is incorrect; the routing table will also contain all of the associated 192.168.0.0.
E is incorrect; the routing table would also contain the other 192.168.0.0 IPs and the 172.16.0.0.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) page 288.
Q. 41
What are four benefits that can result from applying ISDN networking?(Choose four)
A. Full time connectivity across the ISDN supported by Cisco IOS routing using dial on demand routing
DDR.
B. Small office and home office sites can be economically supported with ISDN basic rate interface BRI
services.
C. ISDN replaces signaling system ss7 in the public switch telephone network PSTN backbone.
D. ISDN can be used as a backup service for a lease line connection between the remote and central offices.
E. Modem racking and cabling can be eliminated by integration with digital modem cards on Cisco IOS
network access servers NAS.
Answer: A, B, D, E
Explanation: When ISDN is implemented there are great deals of benefits. Among these benefits are higher
speeds, ability to use DDR, reduce need for equipment, economic to deploy in medium size companies, and the
ability to use other mediums as backup
Incorrect Answers:
C is incorrect; ISDN can be used on the existing telephone network without the need of signaling changes.