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RF0-001 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Pass4sure CompTIA RF0-001 Dumps with VCE and PDF 61-70

September 19, 2017

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2017 Sep CompTIA Official New Released RF0-001
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RFID Certification Exam

Question No: 61 – (Topic 1)

A dock door portal must read multiple tags mounted on metal objects. Which of the following should be done to help reduce the reflective effects of the metal objects in the field?

  1. Use a linear antenna on one side of the portal.

  2. Use multiple antennas at angles to each other.

  3. Increase the gain of the antennas.

  4. Increase the power output of the interrogator.

Answer: B

Question No: 62 – (Topic 1)

A dock door portal must read multiple tags mounted on metal objects. Which of the following should be done to help reduce the reflective effects of the metal objects in the field?

  1. Use a linear antenna on one side of the portal.

  2. Use multiple antennas at angles to each other.

  3. Increase the gain of the antennas.

  4. Increase the power output of the interrogator.

Answer: B

Question No: 63 – (Topic 1)

High frequency (HF) output power is BEST measured as:

  1. decibels per meter.

  2. dBm.

  3. Effective Radiated Power (ERP).

  4. Effective Isotropic Radiated Power (EIRP).

Answer: B

Question No: 64 – (Topic 1)

Which of the following is an attribute of an inductively coupled system [e.g. low frequency (LF), high frequency (HF)] that a capacitively coupled [e.g. ultra high frequency (UHF), uW] system does not have?

  1. Capacitive material in which to store power.

  2. Inductive dipole antenna.

  3. Inductive coil antenna.

  4. Inductive coil antenna.

Answer: D

Question No: 65 – (Topic 1)

Under optimal conditions, active RFID tags operating at 303.8MHZ or 433.92MHz can be read at:

  1. less than 6 inches (15 centimeters).

  2. more than 10 miles (16 kilometers).

  3. more than 322.6 feet (100 meters).

  4. less than 9.7 feet (3 meters).

Answer: C

Question No: 66 – (Topic 1)

The length of a passive RFID interrogation zone can be doubled by:

  1. adding another antenna on the same side.

  2. selecting an antenna whose gain is 2dB greater than the original antenna.

  3. adding another antenna on the other side.

  4. placing reflective material across from the transmitting antenna.

Answer: C

Question No: 67 – (Topic 1)

All of the following are true statements about passive RFID tags EXCEPT that they:

  1. may transmit and receive on different channels.

  2. permit multiple sessions in the same interrogation zone.

  3. do not implement duty cycle control.

  4. contain batteries.

Answer: D

Question No: 68 – (Topic 1)

Passive ultra high frequency (UHF) tags perform BEST when communicating by:

  1. near-field coupling.

  2. planar coupling.

  3. Faraday coupling.

  4. far-field coupling.

Answer: D

Question No: 69 – (Topic 1)

An RFID system is to be used in a conveyor belt operation where single boxes with RFID labels are to be read. Which of the following types of antennas would be MOST effective?

  1. Isotropic

  2. Circularly polarized

  3. Horizontally polarized linear

  4. Vertically polarized linear

Answer: B

Question No: 70 – (Topic 1)

As the distance between tags in a passive ultra high frequency (UHF) RFID interrogation zone decreases, which of the following is affected?

  1. Time required to power the tag.

  2. Distance at which the tag can be read.

  3. Coverage area of the interrogation zone

  4. Power level of the field.

Answer: B

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