[Free] 2018(June) Dumps4cert CompTIA RF0-001 Dumps with VCE and PDF Download 121-130

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RFID Certification Exam

Question No: 121 – (Topic 2)

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: 122 – (Topic 2)

When testing for best placement of a tag on a case of liquid product such as water, look for:

  1. dynamic air gaps.

  2. no air gaps.

  3. null air gaps.

  4. static air gaps.

Answer: D

Question No: 123 – (Topic 2)

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. Capacitive power circuitry.

  4. Inductive coil antenna.

Answer: D

Question No: 124 – (Topic 2)

Within an office environment, a property manager must place an RFID tag on all assets with a value of greater than $100. The tags must cost less than $10 each; be able to store a maximum of one kilobit of data and read with a portable interrogator. When performing inventory, the manager is unable to move the assets to interrogate the tags. The RFID tags used should be applied to the front of the asset with an adhesive strong enough to prevent tag removal and be:

  1. a passive 13.56 MHz tag.

  2. a Surface Acoustic Wave (SAW) tag.

  3. an active Class 1 Gen 2 tag.

  4. a passive Class 0 tag.

Answer: A

Question No: 125 – (Topic 2)

A conveyor system has cartons that may be standing up or lying on the side. Which of the

following antenna configurations would work BEST for reading these cartons? (Select TWO).

  1. A linear antenna.

  2. Two linear antennas, one vertical and the other horizontal.

  3. An isotropic antenna.

  4. A circularly polarized antenna.

Answer: B,D

Question No: 126 – (Topic 2)

Which of the following RFID tags is BEST used for tracking in-transit assets carrying explosives?

  1. Active tags using power less than one milliwatt with an interrogator system strategically installed along a predetermined route.

  2. Active tags using power in excess of 15 milliwatts and an interrogator system strategic installed on a predetermined route.

  3. Passive tags that require the interrogator to be placed less than 9.7 feet (2.9 meters) from the tagged asset.

  4. Passive tags using strategically installed modulated backscatter interrogators.

Answer: A

Question No: 127 – (Topic 2)

Tags applied in a frozen food manufacturer#39;s process are falling off the products before they leave the freezer. Which of the following is MOST likely the source of the problem?

  1. The adhesive used is not appropriate for the cold environment.

  2. The food is thawing, creating moisture under the tag so it no longer sticks.

  3. The applicator is not properly applying the tags to the product.

  4. The RFID chip is heating up as it is being read.

Answer: A

Question No: 128 – (Topic 2)

Backscattering operates by:

  1. alternating between linear and circular polarization.

  2. using spread-spectrum to equalize the power over the band.

  3. transmitting with power from the interrogator.

  4. changing the reflection coefficient of the antenna.

Answer: D

Question No: 129 – (Topic 2)

When sending boxes into an interrogation zone where orientation cannot be assured, which of the following tags will MOST likely read successfully?

  1. Single-dipole

  2. Phased-dipole

  3. Dual-dipole

  4. Keyed-dipole

Answer: C

Question No: 130 – (Topic 2)

An organization has received a shipment of Electronic Product Code (EPC) Class 1 Gen 2 RFID tags from the manufacturer and is unable to read them with existing Class 1 interrogators. Which of the following actions should be taken FIRST?

  1. Perform a firmware upgrade.

  2. Enable dense reader mode.

  3. Replace the interrogators with updated models.

  4. Add an EPC decoder to the middleware.

Answer: A

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