A. to aggregate routes learned from the ABR
B. to lower the cost of routes advertised by the ABR
C. to connect a non-contiguous area to the backbone
D. to decrease the size of the link-state database in that area
第1题:
A. On the ABR router ospf 10 area 3 stub
B. On all Area 3 routers router ospf 10 area 3 stub
C. On all Area 3 routers router ospf 10 area 3 stub no - summary
D. On the ABR router ospf 10 area 3 nssa
E. On the ABR rou ter ospf 10 area 3 stub no - summary
第2题:
路由器R1的拓扑连接和地址分配如图7-11所示,如果在R1上安装OSPF协议,运行命令:router ospf 200,则配置E0和E1端口的命令分别是______。
A.network 10.1.1.0 255.255.255.0 area 0 network 192.168.1.0 255.255.255.0 area 1
B.network 10.1.1.1 255.255.255.0 area 0 network 192.168.1.1 255.255.255.0 area 1
C.network 10.1.1.255 0.0.0.8 area 0 network 192.168.1.255 0.0.0.8 area 1
D.network 10.1.1.0 0.0.0.255 area 0.0.0.0 network 192.168.1.0 0.0.0.255 area 1
第3题:
#定义函数求圆的面积 radius = 5 ######FILL###### def get_area(___): area = 3.14 * r * r ######FILL###### ____ circle_area = get_area(radius) print('圆的面积是:', circle_area)
第4题:
A.错误
B.正确
第5题:
配置OSPF路由,必须需要具有的网络区域是:
A.Area0
B.Area1
C.Area2
D.Area3
第6题:
下列命令中,正确的是:
A.network 172.16.1.0 0.0.0.255 area 1
B.network 172.16.1.0 255.0.0.0 area 0
C.network 172.16.0.0 255.255.0.0 area 0
D.network 172.16.1.0 255.255.255.0 area 1