多项选择题
A. TK1(config)# ip route 0.0.0.0 0.0.0.0 E0
B. TK1(config)# ip route 0.0.0.0 255.255.255.255 S0
C. TK1(config-interface)# ip route 255.255.255.255 0.0.0.0 192.168.1.21
D. TK1(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.21
E. TK1(config)# ip route 0.0.0.0 192.168.1.21 255.255.255.255
F. TK1# ip default-network 0.0.0.0 192.168.1.21 255.255.255.255
多项选择题 The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）
单项选择题 In any NAT (network address translation) configuration, what is the Inside Global IP address?（）
单项选择题 You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?（）