单项选择题
A.10.0.0.1
B.12.78.1.1
C.172.16.1.1
D.192.168.1.1
单项选择题 Which of the following features on a wireless router maps the private IP address to a public IPaddress?（）
单项选择题 Which of the following would be the MINIMUM cable type that would allow a transmission speed of1GB between two locations 250 meters (820 feet) apart?（）
单项选择题 Which of the following transmits a digital signal?（）