单项选择题
Which of the following is typically used In an LAN environment?（）
A.10GBase-SW B.10GBase-LW C.10GBase-SR D.10GBase-EW
单项选择题 Which of the following tools are BEST used to cut away the outside covering of a CAT5e cable?（）
单项选择题 Which of the following is true about an IP address if the first bit is a zero?（）
单项选择题 Which of the following cable speeds would provide the GREATEST theoretical bandwidth?（）
