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RF0-001 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Pass4sure CompTIA RF0-001 Dumps with VCE and PDF 81-90

September 19, 2017

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

Question No: 81 – (Topic 1)

Based on the diagram below, at which of the following numbered locations should antennas be placed to read tags on six sides of an RF-opaque carton? (Select TWO).

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A. 3, 5, 8, 9

B. 2, 4, 8, 9

C. 2, 3, 4, 5

D. 2, 3, 8, 9

Answer: A,B

Question No: 82 – (Topic 1)

The technician is working with a passive ultra high frequency (UHF) system for a beverage distributor. Which of the following tag locations would provide the BEST tag performance when tagging a case of long-neck beverage bottles?

  1. Upper left corner of the short end of the case.

  2. Center of the top of the case.

  3. Lower left corner of the long end of the case.

  4. Center of the bottom of the case.

Answer: A

Question No: 83 – (Topic 1)

An animal identification system is used in feedlots and transfer gates are equipped with

135 kHz interrogators and are of a size to support one animal. When two animals attempt to get through at the same time, a problem occurs because the:

  1. 135 kHz systems do not have anti-collision algorithms.

  2. 135 kHz interrogator system is broken because of the congestion.

  3. animals expand the gates to a size where the second animal cannot be read.

  4. animals are moving too slowly to be read only once.

Answer: A

Question No: 84 – (Topic 1)

Which of the following is the maximum output power of the interrogator at the connector between the interrogator and the antenna according to Federal Communication Commission (FCC) rules for 902-928 MHz RFID?

  1. 100 milliwatts

  2. 4 watts

  3. One watt

  4. 500 milliwatts

Answer: C

Question No: 85 – (Topic 1)

In package tracking systems, read-only tags are unable to be used because the destination postal code is not contained within the tag. Read-only tags have been proposed to work in a manner so as to read the read-only tag and then access the package tracking company#39;s database to determine the appropriate sorting, based on the postal code within the database. Which of the following would be a reason that this would not be successful?

  1. Read-only tags are not able to be reused and re-write tags can be re-used.

  2. Distribution of the read-only tags to the drivers requires that each driver have a specific sequence of numbers in the tag.

  3. When recording the destination information at package pickup it is feared that the wrong postal code will be entered.

  4. Using a reference number instead of the postal code for sorting depends upon a communications link that is not completely reliable.

Answer: D

Question No: 86 – (Topic 1)

A customer has an RFID system to sort packages by their destination in real time. When first installed, the system worked properly but now most packages are not going to the correct destination. Which of the following BEST describes the cause of this problem?

  1. There are increased losses in the antenna cabling.

  2. Interrogator output power has degraded over time.

  3. Sensors that control the interrogator were repositioned.

  4. The customer is using a bad batch of tags.

Answer: C

Question No: 87 – (Topic 1)

Based on the following diagram, if antennas are located at locations 2 and 4, at which of the following locations should a smart label applicator be placed?

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  1. one

  2. 9

  3. 6

  4. 7

Answer: A

Question No: 88 – (Topic 1)

When installing cabling and wiring within a safely enclosure around an RFID interrogator, which of the following should be done?

  1. Ensure all wiring sizes are the same.

  2. Use cable restraints only on wires greater than 8 American wire gauge (AWG).

  3. Remove screws from unused terminals.

  4. Place wire numbers on all wires.

Answer: D

Question No: 89 – (Topic 1)

When an interrogator queries Electronic Product Code (EPC) Class 1 Gen 2 tags, the tag has the responsibility to perform which of the following?

  1. Place a randomly generated number in its slot counter.

  2. Tell the interrogator the tag manufacturer.

  3. Return its unique identification number on power up.

  4. Tell the interrogator the channel the tag is going to use.

Answer: A

Question No: 90 – (Topic 1)

The technician is working with a passive ultra high frequency (UHF) system for a beverage distributor. Which of the following tag locations would provide the BEST tag performance when tagging a case of long-neck beverage bottles?

  1. Upper left corner of the short end of the case.

  2. Center of the top of the case.

  3. Lower left corner of the long end of the case.

  4. Center of the bottom of the case.

Answer: A

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