CCNA题目 谁来解决?
来源:百度知道 编辑:UC知道 时间:2024/07/06 14:32:33
Your router has a summary entry in the routing table of 192.168.144.0/20. Which of the following packet destination addresses will the router forward according to this summary address?(chosse two)
A.192.168.159.2
B.192.168.160.11
C.192.168.138.41
D.192.168.151.254
E.192.168.143.145
F.192.168.1.144
希望能有过程
A.192.168.159.2
B.192.168.160.11
C.192.168.138.41
D.192.168.151.254
E.192.168.143.145
F.192.168.1.144
希望能有过程
192.168.144.0/20
掩码有20位,即11111111,11111111,11110000,00000000
用选项中的地址与掩码分别做与运算
A,结果192.168.144.0,与题目的网段相同
B,结果192.168.160.0,不在一个网段
C,192.168.128.0,不在一个网段
D,192.168.144.0,与题目网段相同
E,192.168.128.0,不在一个网段
F,192.168.0.0,不在一个网段
因为路由器是转发不同网段的数据,所以符合的只有
AD