單項選擇題

A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24 PWRSwitch. However, when it is powered up, the access point fails.
What has caused this problem?()

A.access point does not support 802.11h
B.incorrect switch power supply
C.switch port is not enabled
D.switch does not support 802.3af
E.access point has not been initialized with the primary controller


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5.單項選擇題

You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standalone WLAN.
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