单项选择题
Which of the following offers the HIGHEST wireless security?（）
A. WEP B. WPA2 C. WPA D. HTTPS
单项选择题 Which of the following network media types uses laser light to carry the information?（）
单项选择题 Which of the following is used to deny or allow access to a wireless router network?（）
单项选择题 Which of the following TCP/IP addresses is a Class C address?（）
