1. [单选题]查看E0端口配置信息的命令是:()
A. show access-list
B. show ip route
C. show version
D. show interfacee0
2. [单选题]为了使配置私有IP的设备能够访问互联网,应采用的技术是()
A. NAT
B. VLAN
C. ACCESS-LIST
D. DDR
3. [单选题]配置路由器时,封装PPP协议的命令是:()
A. encap ppp
B. ppp
C. group ppp
D. int ppp