单项选择题 Your network contains a wired network and a wireless network. Users report that they experience intermittent problems accessing network resources when they connect to the internal wireless network. You discover that an unsecured rogue wireless access point uses the same Service Set Identifier (SSID) as the internal wireless network. You need to ensure that the users only connect to the internal wireless network. What should you do?（）

单项选择题 All client computers on your company network run Windows XP and are members of an Active Directory Domain Services domain. You plan to migrate all computers to Windows 7. You also plan to deploy a new VPN server to support remote network access for the computers. You need to ensure that all computers will be supported for remote access during the migration to Windows 7. What should you do?（）

单项选择题 All client computers on your company network run Windows 7 and are members of an Active Directory Domain Services domain. Employees using portable computers report that they get connected to a coffee shop wireless network from the company conference room. You need to ensure that the employees connect to the company wireless network by default from anywhere within the company premises. What should you do?（）