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单选题On a Cisco Aironet 1240AG Series standalone access point, the radio LED is dark blue and blinking,but the status LED and Ethernet LED are both off. What does this indicate?()A A firmware upgrade is in progress.B An access point buffer overflow is occur

题目
单选题
On a Cisco Aironet 1240AG Series standalone access point, the radio LED is dark blue and blinking,but the status LED and Ethernet LED are both off. What does this indicate?()
A

A firmware upgrade is in progress.

B

An access point buffer overflow is occurring.

C

The access point is booting.

D

The internal radio has failed.

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