在Cisco路由器上建立一个名为zw246的DHCP地址池，地址池的IP地址是176.115.246.0/24，其中不用于动态分配的地址有176.115.246.2～176.115.246.10，缺省网关为176.115.246.1，域名为tj.edu.cn，域名服务器地址为176.115.129.26，地址租用时间设定为6小时30分钟。下列DHCP地址池的配置，正确的是______。

A．Router(config)#ip dhcp pool zw246Router(dhcp-config)#ip dhcp excluded-address176.115.246.2 176.115.246.10Router(dhcp-config)#network 176.115.246.0255.255.255.0Router(dhcp-config)#defauh-router 176.115.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns server address 176.115.129.26Router(dhcp-config)#lease 0 6 30
B．Router(config)#ip dhcp excluded-address 176.115.246.2-10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network 176.115.246.0255.255.255.0Router(dhcp-config)#default-router 176.115.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 0 6 30
C．Router(config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router(config)#ip dhcp pool zw246Router(dhcp-eonfig)#network 176.115.246.0255.255.255.0Router(dhcp-config)#default-router 176.115.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 0 6 30
D．Router(config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router(config)#ip dhcp pool zw246Router(dhcp-conlig)#network 176.115.246.0255.255.255.0Router(dhcp-config)#default-router 176.115.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 30 6 0