单项选择题 You need to set the default gateway of one of your TestKing switches. Which command will set the default gateway to 192.168.12.1 on a Cisco switch?（）

单项选择题 Which command will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?（）

多项选择题 Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?（）