Online Access Free RF0-001 Practice Test

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

• A.contain batteries.
• B.may transmit and receive on different channels.
• C.do not implement duty cycle control.
• D.permit multiple sessions in the same interrogation zone.

The higher frequency ranges of RFID [e.g. ultra high frequency (UHF), microwave] offer which of the following as advantages over the lower frequencies? (Select TWO).

• A.There are fewer regulatory issues.
• B.They have a higher data rate.
• C.They work well around water or body tissue.
• D.There is greater range.

Backscattering operates by:

• A.alternating between linear and circular polarization.
• B.changing the reflection coefficient of the antenna.
• C.transmitting with power from the interrogator.
• D.using spread-spectrum to equalize the power over the band.

A manufacturing plant uses plastic totes and attaches passive ultra high frequency (UHF) inserts to the totes for tracking purposes. A high percentage of the tags are failing. Which of the following is the MOST likely cause?

• A.The ambient temperature of 50 C (122 F) is too high.
• B.The totes are damp causing the tags to short out.
• C.The interrogator antenna is too close to the tag.
• D.There is electrostatic discharge (ESD) from the plastic totes.

When verifying and troubleshooting low read rates at an installed site with fixed interrogators, it is BEST to use a:

• A.portable interrogator.
• B.digital voltmeter.
• C.fixed antenna that can be moved from door to door.
• D.bar code verifier.