华为网络工程师认证笔试模拟试题及答案解析(9)
路由器a的配置如下quidway#show run
now create configuration...
current configuration
!
!
interface ethernet0
ip address 10.2.1.1 255.255.0.0
!
interface serial0
encapsulation ppp
backup interface serial 1
ip address 2.1.1.1 255.0.0.0
!
interface serial1
encapsulation ppp
ip address 3.1.1.1 255.0.0.0
!
interface serial2
flowcontrol normal
async mode dedicated
encapsulation ppp
!
exit
router rip
!
end
路由器b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
!
interface serial0
encapsulation ppp
backup interface serial 1
ip address 2.1.1.1 255.0.0.0
!
interface serial1
encapsulation ppp
ip address 3.1.1.1 255.0.0.0
!
interface serial2
flowcontrol normal
async mode dedicated
encapsulation ppp
!
exit
router rip
!
end
下述说法正确的是（ bcd ）
a、备份功能可以正常使用
b、备份功能不能正常使用
c、两端可以正常互联
d、两端不能正常互联
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