* 1. Which frequencies would you use to read through water.  (Select two)

* 2. Which RFID frequency uses Passive Backscatter to couple the reader and tag? (Select two)

* 3. Which of the following types of RFID tags have a battery? (Select all that apply.)

* 4. Which type of RFID technology has the slowest data transfer rate? 

* 5. What is the typical use of passive UHF technology? 

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