loading
48、路由器A的配置为：
Quidway#SHOW RUN
Now create configuration...
Current configuration !
frame-relay switching !
interface Ethernet0
ip address 10.1.1.1 255.255.0.0
ip rip version 2 mcast !
interface Serial0
clock-select DTECLK1
encapsulation frame-relay
frame-relay intf-type DCE
frame-relay interface-dlci 100
ip address 2.1.1.1 255.0.0.0
ip rip version 2 mcast !
interface Serial1
encapsulation ppp !
interface Serial2
flowcontrol normal
async mode dedicated
encapsulation ppp ! exit
router rip
no auto-summary
neighbor 2.1.1.2 !
end
路由器B的配置为
Quidway#SHOW RUN
Now create configuration...
Current configuration ! !
interface Ethernet0
ip address 10.2.1.1 255.255.0.0
ip rip version 2 mcast !
interface Serial0
encapsulation frame-relay
ip address 2.1.1.2 255.0.0.0
ip rip version 2 mcast !
interface Serial1
encapsulation ppp !
interface Serial2
flowcontrol normal
async mode dedicated
encapsulation ppp ! exit
router rip
no auto-summary
neighbor 2.1.1.1 ! End
如下说法正确的是（ ）
A、两端广域网可以联通，但局域网不可以连通
B、两端广域网不可以连通，但局域网可以连通
C、广域网和局域网都可以连通
D、广域网和局域网都不能连通
49、路由器A的配置如下：
Quidway#SHOW RUN
Now create configuration...
Current configuration ! !
interface Ethernet0
ip address 10.1.1.1 255.255.0.0
ip ospf enable area 0.0.0.1 !
interface Serial0
clock-select DTECLK1
encapsulation ppp