In which NFC mode does a device in Poll mode change the communication protocol to talk to another device that only supports half-duplex communications using NFC-DEP?

A. listen
B. reader/writer
C. initiator
D. target


Answer: C

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When a specification is placed within a title block, it is usually denoted as such by prefacing the information with the word "____________________."

Fill in the blank(s) with the appropriate word(s).

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Of that water use, how much is actually “used up”?

What will be an ideal response?

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Which of the following statements is correct about flushing A/C systems?

A. Most A/C system manufacturers recommend flushing B. A/C system flushing effectively cleans very small refrigerant passages C. Flushing chemicals make refrigerant cool better D. Flushing solvents may remain in A/C systems, causing problems

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The parallel combination of a 330 ? resistor and a 470 ? resistor is connected in series with the parallel combination of four 1 k? resistors. If a 100 V source is connected across the circuit, then which resistor carries the most current?

A) 470 ? B) 330 ? C) 1 k?

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