单项选择题 An administrator wants to limit access of a wireless network without requiring authorized users to enter a password or network key. Which of the following methods would MOST likely be implemented on the wireless network?（）

单项选择题 Which of the following mitigation techniques would an administrator apply to a device in order torestrict remote access?（）

单项选择题 Web users are reporting issues downloading various types of media. Which of the following shouldthe administrator do FIRST?（）