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

• A、Data Collection
• B、802.11b/g VoIP
• C、802.11b and g clients
• D、RFID tags