單項選擇題

All users within an office are wirelessly connected to a network, except one user that has a valid connection on a leased IP address in a different range. Which of the following is a possible cause of the user having a different IP address range?（）

A. The wireless access point is using MAC address filtering
B. The user has connected to a nearby wireless access point from another office
C. The user has configured the wireless settings with the wrong encryption type
D. The wireless access point has SSID broadcast disabled

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