单项选择题 Your computer has a wireless network adapter installed. However, the computer fails to connect to the wireless network. You need to ensure that the computer is able to connect to the wireless network. What should you do?（）
单项选择题 Your computer connects to both an ad hoc wireless network and a wired network. You need to allow other wireless clients to access the wired network. What should you do?（）
单项选择题 You share your portable computer with a co-worker. You use separate user accounts to log on. A wireless netework is available to you and your co-worker. You need to prevent your co-worker from modifying your wireless network profile. What should you do?（）
