RF0-001問題集、CompTIA実際の試験問題

質問 1

An RFID interrogator is reading tags on cartons on a conveyor and cartons are directed to the proper truck by electrically-operated gates on the conveyor line. A carton reaches the first gate in one-half second. The decision to open a gate is BEST made by:

A. an Ethernet connection to the remote server.

B. an interrogator with an edge-server capability.

C. a universal serial bus (USB) connection to the remote server.

D. an interrogator with WiFi capability.

正解: B

質問 2

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?

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

B. Center of the bottom of the case.

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

D. Center of the top of the case.

正解: A

質問 3

In a high frequency (HF) passive system, the anticipated read range should be:

A. Less than 3.2 feet (one meter).

B. Greater than 32 feet (10 meters).

C. Between 16 and 32 feet (5 meters and 10 meters).

D. Between 3.2 and 16 feet (one and 5 meters).

正解: A

質問 4

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

A. Phased-dipole

B. Dual-dipole

C. Single-dipole

D. Keyed-dipole

正解: B

質問 5

A container yard has been upgraded with an active RFID system for tracking containers moving to different locations within the yard. Recently, the system monitor has observed a decrease in interrogator reporting. Which of the following may be the cause of this change?

A. The temperature in the area has dropped to 0 C (32 F) and this temperature has been sustained for the past 2 weeks.

B. The company has introduced a new line of propane-powered forklifts in the yard.

C. The yard manager installed wooden walls to separate various areas within the yard.

D. The 50 workers in the container yard were issued cellular telephones for reporting container conditions to the yard manager.

正解: A

質問 6

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?

A. 4 watts

B. One watt

C. 100 milliwatts

D. 500 milliwatts

正解: B

質問 7

A dense-reader interrogator:

A. uses tag talks first access control.

B. will coexist with any number of other dense-reader interrogators.

C. can operate near other interrogators using the same frequency.

D. can resolve thousands of tags per second.

正解: B

質問 8

When installing a conveyor tunnel, antennas should be placed:

A. underneath the conveyor with radiation patterns overlapping in the area under the conveyor.

B. on the same side of the conveyor with radiation patterns not overlapping away from the conveyor path.

C. around the conveyor with radiation patterns overlapping along the conveyor path.

D. around the conveyor with radiation patterns overlapping away from the conveyor path.

正解: C

質問 9

A large number of antennas are being damaged at the dock doors of an existing installation. Upon further inspection, the technician discovers that forklift operators are hitting the antennas because they are 2 inches (5 centimeters) in front of the protective pylons/ballards. Which of the following would be the BEST solution?

A. Move the dock stands so they are further out of the travel path than the protective equipment installed.

B. Replace the dock stands with smaller, less obtrusive dock stands.

C. Re-install the antennas so they protrude into the travel path further than the dock stands.

D. Remove the dock stands and install them somewhere else in the operation.

正解: A

質問 10

For two passive RFID tags the size of a business card, where one uses high frequency (HF) and the other uses ultra high frequency (UHF) chip technology and a single interrogator antenna, which of the following statements is MOST accurate?

A. The HF tag can be read at a range that is the radius of the interrogator's antenna.

B. Neither tag will be read due to tag on tag air interface collisions.

C. The HF and UHF tags can be read at approximately the same range.

D. The UHF tag's read range is less than the HF tag.

正解: A

質問 11

Automated encode, print and apply label applicators can:

A. encode more than one label at a time.

B. precisely place labels on cases.

C. only use RFID labels.

D. encode more data than a table top printer.

正解: B

質問 12

If a manufacturer ships items to the United States Department of Defense (DoD) and major retailers, which of the following standards applies to the use of RFID tags to identify the cartons and pallets they ship?

A. None, no standards exist

B. EPCglobalInc.

C. Universal Product Code (UPC)

D. International Organization for Standardization (ISO) 9001

正解: B

質問 13

An installed interrogator will not read a newly released tag format that the manufacturer claims the interrogator supports. All of the hardware appears to be functional. Which of the following steps should be taken to resolve this situation?

A. Upgrade the antenna's firmware.

B. Upgrade the interrogator's firmware.

C. Replace the failed antenna cable.

D. Replace the interrogator.

正解: B

質問 14

Workers who are in close proximity to passive RFID interrogators for long periods of time should be aware of which of the following safety risks?

A. Exposure to radio waves.

B. Exposure to nuclear radiation.

C. Potential for electrostatic shock.

D. None, interrogators pose no safety risks.

正解: A

CompTIA RFID+ Certification - RF0-001 模擬練習