Question 1.
All of the following help solve multiple interrogator environment issues EXCEPT:

A. separate transmit and receive channels.
B. single side band modulation.
C. using multi-protocol interrogators.
D. using absorptive material.

Answer: C

Question 2.
Which of the following would be the BEST reason to use a hand-held rather than stationary interrogator?

A. User abilities
B. Aesthetic appeal
C. System support
D. Functional capabilities

Answer: D

Question 3.
Recent protocols have been written to support the reading of 1,700 tags per second with passive ultra high frequency (UHF) systems. To read this many tags in such a brief period of time, the interrogator should use:

A. tag isolation.
B. anti-collision.
C. passive backscatter.
D. a tag magnifier.

Answer: B

Question 4.
Anti-collision protocols in passive RFID systems allow:

A. antennas to operate without interfering with one another.
B. polite interactions between many interrogators in a single read zone.
C. random tags to collide into each other.
D. multiple tags to be read in a single pass through an interrogation zone.

Answer: D

Question 5.
Which of the following would be the reason for enabling Simple Network Management Protocol (SNMP) traps on installed interrogators?

A. Provide health status monitoring of the interrogator in question.
B. Encrypt data as it is released by the interrogator.
C. Catch intruders attempting to hack your interrogators.
D. Perform behavioral analysis of your operations workforce.

Answer: A

Question 6.
Desktop industrial RFID-enabled bar code printers handle an inoperative tag by.

A. sending an error to the host.
B. printing 'void' or some other marking on the label.
C. ejecting the label.
D. ignoring it and continuing.

Answer: B

Question 7.
When troubleshooting an interrogation zone, an operator observes that the interrogator is not responding to external input or reading tags. The lights are on indicating it has power and network connectivity. 

Which of the following would be the next step for the operator to take?

A. Replace the antenna cable.
B. Replace the interrogator.
C. Reboot the interrogator.
D. Reboot the antenna.

Answer: C

Question 8.
Loss of connection between an interrogator and the edgeware/middleware would result in which of the following?

A. Only active RFID tag data would be processed.
B. No tag data would be processed.
C. Tag data would be sent directly to the Warehouse Management System (WMS),
D. Only interrogator status would be tracked.

Answer: B

Question 9.
Which of the following conditions would be MOST likely to cause a ghost tag read?

A. The interrogator did not pass electronic product code (EPC) compliance testing.
B. There is a broken strap between the chip and the antenna on the tag.
C. There are too many tags within an interrogator zone.
D. There is RF interference in an interrogator zone.

Answer: D

Question 10.
Which of the following materials have absorptive properties in relation to ultra high frequency (UHF)? (Select TWO).

A. Damp cardboard
B. Glass
C. Conductive liquids
D. Metal

Answer: A, C

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