【单选题】Below is a double-tiered cardboard configuration that is closed. (The configuration is shown here as transparent for easier viewing. ) Which one of the following choices is a valid depiction of this c...
【多选题】路由器A的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip ...