Deck 11: Radio Frequency Identification and Near-Field Communication

Question 1

What mode of communication is used between a passive RFID tag and a reader?

A) simplex
B) half simplex
C) full duplex
D) half duplex

Answer 1

D

Question 2

How many bits are used in an electronic product code?

A) 48
B) 32
C) 96
D) 128

Answer 2

C

Question 3

Which of the following is a mechanism for discovering information about a product and related services and is modeled after DNS?

A) EPC
B) UPC
C) SKU
D) ONS

Answer 3

D

Question 4

Which field of an EPC identifies the manufacturer of the product?

A) Header
B) Domain Manager
C) Object Class
D) Serial Number

Question 5

Which of the following is NOT a typical component of an RFID system?

A) tags
B) APs
C) antennas
D) readers

Question 6

RFID tags are read using RF waves but they hold about the same amount of information as a barcode.

Question 7

Which of the following is true about RFID antennas?

A) larger antennas allow tags to be read at greater distances
B) square antennas are common
C) linear antennas have more accurate reads
D) circular antennas have better range

Question 8

What do passive tags use to power the built-in chip and transmit information?

A) RF waves
B) lithium battery
C) IR energy
D) visible light

Question 9

Which of the following is an application for a chipless tag?

A) theft prevention
B) toll collection
C) tracking pallets or containers
D) paper document identification

Question 10

Backscatter modulation is based on variations of amplitude shift keying.

Question 11

Which tag class includes battery-assisted tags and are sometimes called semi-active?

A) Class-1
B) Class-2
C) Class-3
D) Class-4

Question 12

What protocol do HF RFID transmissions use in which the tags reply within randomly selected time intervals, referred to as slots?

A) STAC
B) UHF
C) DSSS
D) EPCIS

Question 13

Low frequency RFID tags are used in applications such as animal identification.

Question 14

Electronic Product Codes are usually represented in decimal notation.

Question 15

What do some RFID systems use to prevent interference from affecting reliability?

A) FHSS
B) ASK
C) PSK
D) CW

Question 16

Which of the following is NOT true about Gen2 UHF readers?

A) they transmit with more power
B) they work at greater distances
C) they are becoming obsolete
D) three communication techniques are defined

Question 17

What can be transmitted to a tag that permanently disables it?

A) cyclic redundancy check
B) kill switch
C) destroy password
D) collision token

Question 18

Most passive tags do not support authorization or encryption security because they lack a power supply.

Question 19

Which of the following is a type of coupling designed for tags that can be read at distances greater than 3.3 feet?

A) inductive
B) magnetic
C) backscatter
D) reductive

Question 20

Which application most likely uses Microwaves in the 2.45 and 5.8 GHz ISM band?

A) animal identification
B) toll collection
C) asset tracking
D) smart cards

Question 21

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
another name for flexible RFID tags that include a microprocessor chip and
memory

Question 22

What determines whether NFC devices connect with one another?

A) password
B) proximity
C) ID code
D) address

Question 23

Which of the following is a device that can be used to simulate the presence of a virtually infinite number of tags?

A) decoy tag
B) honeypot tag
C) blocker tag
D) firewall tag

Question 24

Which RFID layer is responsible for establishing and communicating the transmission parameters?

A) PHY
B) MAC
C) Tag ID
D) Network

Question 25

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
the RFID device that captures and processes the data received from the tags

Question 26

__________ requires little or no configuration and devices connect automatically when they are brought within about 1.6 inches of each other.

Question 27

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
RFID devices that use embedded fibers to reflect a portion of the RF waves
emitted by a reader

Question 28

_____________ mode is the initial mode of an NFC device, in which the device acts essentially as a passive tag.

Question 29

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
the type of modulation used by passive RFID tags

Question 30

Which of the following is NOT an NFC device operation mode?

A) Poll
B) Initiator
C) Target
D) Active

Question 31

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
RFID tags that include a battery

Question 32

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
RFID tags that are battery powered and transmit on a periodic basis

Question 33

The ______________ is a standardized numbering scheme that can be programmed in a tag.

Question 34

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
an unmodulated sine wave sent by the reader to power the passive tag

Question 35

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
powered by the electromagnetic energy in the RF waves transmitted by the reader

Question 36

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
RFID tags that include a battery that is only used when the tag is interrogated

Question 37

A __________ is a small component that contains an antenna and an integrated circuit chip.

Question 38

What protocol does NFC use to transfer data between two smartphones?

A) data exchange protocol
B) transmission control protocol
C) user datagram protocol
D) trivial file transfer protocol

Question 39

MATCHING
a. active tags
b. backscatter
c. beacons
d. chipless tags
e. continuous wave
f. passive tags
g. reader
h. semi-active tags
i. sensory tags
j. smart labels
RFID tags that include a thermal or other kind of sensor

Question 40

_______________ tags do not require battery power.

Question 41

List the five most common components required to implement an RFID system.

Question 42

What is a 1-bit tag?

Question 43

How are sensory tags used?

Question 44

Discuss how RFID can be used in health care applications.

Question 45

List three of the six NFC device operation modes.

Question 46

What is an Electronic Product Code?

Question 47

Describe the two types of coupling used by the RFID PHY layer.

Question 48

Discuss the two main types of antennas found on RFID tags.

Question 49

What is the EPCglobal network service and how is it used with RFID?

Question 50

Describe active RFID tags compared to passive tags.