思科认证考试（ＣＣＮＡ）考试模拟题７２—７８及答案

Answer 
c) IPX RIP, IGRP, RTMP 

Appletalk s RTMP and Novell s IPX RIP are the default routing protocols. 

Refer to the following routing tables of Router C: 

Router_C#sh ip route

Codes: C - connected, S - static, I - IGRP, 

R - RIP, M - mobile, B - BGP, D - EIGRP, 

EX - EIGRP external, O - OSPF,

IA - OSPF inter area, 

N1 - OSPF NSSA external type 1,

N2 - OSPF NSSA external type 2, 

E1 - OSPF external type 1,

E2 - OSPF external type 2, E - EGP, 

i - IS-IS, L1 - IS-IS level-1, 

L2 - IS-IS level-2, 

* - candidate default

U - per-user static route, o - ODR

Gateway of last resort is not set

I 10.0.0.0/8 [100/10576] via 172.17.1.1,

00:00:03, Serial0

172.16.0.0/24 is subnetted, 1 subnets

C 172.16.1.0 is directly connected, 

Ethernet0

172.17.0.0/16 is variably subnetted, 

2 subnets, 2 masks

I 172.17.1.0/32 [100/8976] 

via 172.17.1.1, 

00:00:03, Serial0

I 172.17.0.0/16 [100/8976] 

via 172.17.1.1, 

00:00:03, Serial0

Router_C#sh app route

Codes: R - RTMP derived, E - EIGRP derived, 

C - connected, A - AURP

S - static P - proxy

4 routes in internet

The first zone listed for each entry is its

default (primary) zone.

C Net 100-105 directly connected, 

Ethernet0, zone right

R Net 106-110 [2/G] via 120.125, 2 sec, 

Serial0, zone left

C Net 120-120 directly connected, 

Serial0, zone left

R Net 130-130 [1/G] via 120.125, 2 sec, 

Serial0, zone right

Router_C#sh ipx route

Codes: C - Connected primary network, 

c - Connected secondary network

S - Static, F - Floating static, 

L - Local (internal), W - IPXWAN