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What are the two general types of proximity identification devices?

What are the two general types of proximity identification devices?

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A.
Biometric devices and access control devices

B.
Swipe card devices and passive devices

C.
Preset code devices and wireless devices

D.
User-activated devices and system sensing devices

Explanation:
D: A user-activated system requires the user to do something: swipe the card through the reader and/or enter a code. A system sensing device recognizes the presence of the card and communicates with it without the user needing to carry out any activity.

One Comment on “What are the two general types of proximity identification devices?

  1. joe says:

    proximity identification devices: 接近識別裝置

    A user-activated system requires the user to do something: swipe the card through the reader and/or enter a code. A system sensing device recognizes the presence of the card and communicates with it without the user needing to carry out any activity

    用戶激活系統要求用戶做一些事情:通過閱讀器刷卡和/或輸入密碼。一種系統,感測裝置識別該卡的存在,並與它無需用戶進行任何活動通信




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