CCNA 2 相关的计算题A network administrator is tasked with dividing up a class C network among the QA,Sales,and Administration departments.The QA department is made up of 10 people,the Sales is made up of 28 people,and the Administration has 6.Which two subnets masks adequately address the QA and Sales departments?255.255.255.224 for Sales // 255.255.255.240 for QA
问题描述：
CCNA 2 相关的计算题
A network administrator is tasked with dividing up a class C network among the QA,Sales,and Administration departments.The QA department is made up of 10 people,the Sales is made up of 28 people,and the Administration has 6.Which two subnets masks adequately address the QA and Sales departments?255.255.255.224 for Sales // 255.255.255.240 for QA
答
因为分了3个子网,第一个QA部门,他有10个人.划分时可以分配2的4次方=16个主机号给他用.所以主机位是4个,网络位32-4=28个 子网掩码二进制是11111111 11111111 11111111 11110000 也就是网络号 计算得255.255.255.240 其他的按同样的方法