You have just finished aligning a cisco aironet 1400 series wireless bridge link using  installation mode. when you set the link back to operational mode you loose association to the root bridge. Which action will correct the problem？（）

• A、configure the bridge to force infrastructure devices to associate only to the ssid parameter.
• B、enable passwords on both bridges.
• C、configure the distance parameter value.
• D、configure the proper channel.