题目内容

机车司机需离开座位时必须()车闸。

A. 松开
B. 不管
C. 扳紧

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One of your customers has decided to deploy location-based services in addition to existing wireless services. The customer requires that the additional access points to be deployed in monitor-only mode. The most likely reason for this requirement is that the customer has which of these existing wireless devices?()

A. 802.11b/g VoIP
B. Data Collection
C. 802.11b and g clients
D. RFID tag

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