[图] 如图所示,为了使网络互联互通,分别写出路由器Rou...
如图所示,为了使网络互联互通,分别写出路由器Router0和路由器Router1的静态路由
如图所示,为了使网络互联互通,分别写出路由器Router0和路由器Router1的静态路由
第1题
如图所示网络拓扑,初始状态下,路由器R1和R2分别获得了两条直连路由,在该状态下,主机PC1和主机PC2之间不能进行互相通信,请分析它们不能互相通信的原因:
第2题
如图所示,配置了路由器相关接口网络协议地址,同时管理状态、物理状态和链路协议均为打开或启动状态(UP)时,路由器Router1和路由器Router2自动生成的路由表分别为:
A、路由器Router1: C 192.168.1.0/24 is directly connected, FastEthernet0/0 C 192.168.2.0/24 is directly connected, FastEthernet0/1 路由器Router2: C 192.168.2.0/24 is directly connected, FastEthernet0/1 C 192.168.3.0/24 is directly connected, FastEthernet0/0
B、路由器Router1: C 192.168.2.0/24 is directly connected, FastEthernet0/1 C 192.168.3.0/24 is directly connected, FastEthernet0/0 路由器Router2: C 192.168.1.0/24 is directly connected, FastEthernet0/0 C 192.168.2.0/24 is directly connected, FastEthernet0/1
C、路由器Router1: C 192.168.1.0/24 is directly connected, FastEthernet0/1 C 192.168.2.0/24 is directly connected, FastEthernet0/0 路由器Router2: C 192.168.2.0/24 is directly connected, FastEthernet0/0 C 192.168.3.0/24 is directly connected, FastEthernet0/1
D、路由器Router1: C 192.168.2.0/24 is directly connected, FastEthernet0/0 C 192.168.3.0/24 is directly connected, FastEthernet0/1 路由器Router2: C 192.168.1.0/24 is directly connected, FastEthernet0/1 C 192.168.2.0/24 is directly connected, FastEthernet0/0
第3题
如图所示,在路由器Router1上配置到网络192.168.3.0的静态路由,配置命令正确的是:
A、ip route 192.168.3.0 255.255.255.0 192.168.2.1
B、ip route 192.168.3.0 255.255.255.0 192.168.2.2
C、ip route 192.168.2.0 255.255.255.0 192.168.2.2
D、ip route 192.168.2.0 255.255.255.0 192.168.2.2
第4题
如图所示,根据RIPv1接收路由更新规则分析,路由器R1和路由器R2执行RIPv1路由协议后,路由器R2生成的路由表正确的是:
A、R 1.0.0.0/8 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 172.16.0.0/24 is subnetted, 2 subnets C 172.16.10.0 is directly connected, FastEthernet0/0 R 172.16.20.0 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 182.15.0.0/16 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 192.168.10.0/24 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0
B、R 1.1.1.0/8 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 172.16.0.0/24 is subnetted, 2 subnets C 172.16.10.0 is directly connected, FastEthernet0/0 R 172.16.20.0 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 182.15.0.0/16 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 192.168.10.0/24 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0
C、R 1.0.0.0/8 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 172.16.0.0/24 is subnetted, 2 subnets C 172.16.10.0 is directly connected, FastEthernet0/0 R 172.16.0.0 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 182.15.0.0/16 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 192.168.10.0/24 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0
D、R 1.0.0.0/8 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 172.16.0.0/24 is subnetted, 2 subnets C 172.16.0.0 is directly connected, FastEthernet0/0 R 172.16.0.0 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 182.15.0.0/16 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0 R 192.168.10.0/24 [120/1] via 172.16.10.1, 00:00:12, FastEthernet0/0
第5题
如图所示网络。请回答下列问题: (1)主机在配置IP地址时,其正确的子网掩码和默认网关分别是多少? (2)若路由器R在向互联网转发一个由主机192.168.1.5发送、ID=12345、length=500B、DF=1的IP分组时,则该IP分组首部的哪些字段会被修改?如何修改? (3)若主机192.168.1.10向互联网ID=6789、length=1500B、DF=0的IP分组时,路由器需要将该IP分组分为几片(每片尽可能封装为最大片)?给出分片结果,包括每片的ID、DF、MF、length、offset的取值。
第6题
RIPv1基本配置使用的网络拓扑如图所示,两台路由器连接3个网络,分别为192.168.1.0/24,192.168.2.0/24,192.168.3.0/24。下列选项中RIP配置正确的有:
A、Router1(config)#router rip Router1 (config-router)#network 192.168.1.0 Router1 (config-router)#network 192.168.2.0
B、Router2(config)#router rip Router2 (config-router)#network 192.168.2.0 Router2 (config-router)#network 192.168.3.0
C、Router1(config)#router rip Router1 (config-router)#network 192.168.2.0 Router1 (config-router)#network 192.168.3.0
D、Router2(config)#router rip Router2 (config-router)#network 192.168.1.0 Router2 (config-router)#network 192.168.2.0
第7题
如图所示,在路由器Router0上配置默认路由,其下一跳为Router1,具体配置命令正确的是
A、ip route 0.0.0.0 0.0.0.0 192.168.2.2
B、ip route 192.168.3.0 255.255.255.0 192.168.2.2
C、ip route 192.168.4.0 255.255.255.0 192.168.2.2
D、ip route 0.0.0.0 0.0.0.0 192.168.2.1
第8题
一台路由器的路由表如图所示。根据show ip route命令的部分输出,可以得出哪两项有关 RIP 路由协议的结论?(多选)
A、RIP 版本 2 正在此路由器及其 RIP 邻居上运行。
B、网络 172.16.0.0 的度量是 120。
C、RIP 版本 1 正在此路由器及其 RIP 邻居上运行。
D、已在 RIP 邻居路由器上使用 no auto-summary 命令。
E、RIP 会将两个网络通告给其邻居。
第9题
如图所示,路由器R2LAN内的主机到达路由器R3LAN内的主机的最短路径为:
A、27
B、25
C、20
D、2
第10题
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