Question 1

What is the largest amount of memory in an NFC passive tag today?

Accepted Answer

A)  2 KB 
B)  8 KB 
C)  16 KB 
D)  32 KB 
A)  2 KB 
B)  8 KB 
C)  16 KB 
D)  32 KB D

Question 2

The orientation of the tag's antenna usually does not affect readability.

Accepted Answer

A) True 
 B)False  True

Question 3

Which mode must an NFC-capable device be in to behave like a smart card?

Accepted Answer

A)  Poll 
B)  Listen 
C)  Initiator 
D)  Smart card 
A)  Poll 
B)  Listen 
C)  Initiator 
D)  Smart card B

Question 4

One of the ways used by the Gen2 protocol to select tags is by transmitting _________.

Accepted Answer

A)  a quiet command 
B)  a null CW 
C)  a bit mask 
D)  a higher or lower intensity signal 
A)  a quiet command 
B)  a null CW 
C)  a bit mask 
D)  a higher or lower intensity signal

Question 5

To modulate a response signal using backscatter, a tag has to ______.

Accepted Answer

A)  change the polarity of the incoming signal from the reader 
B)  deflect the signal from the transponder 
C)  change the characteristics of its own antenna 
D)  store the energy from the interrogator 
A)  change the polarity of the incoming signal from the reader 
B)  deflect the signal from the transponder 
C)  change the characteristics of its own antenna 
D)  store the energy from the interrogator

Question 6

The protocol used to handle collisions in HF RFID is called _____.

Accepted Answer

A)  STAC 
B)  Class 1 
C)  Class 0 
D)  blocker 
A)  STAC 
B)  Class 1 
C)  Class 0 
D)  blocker

Question 7

Interrogators and tags communicate using _________ communications.

Accepted Answer

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

Question 8

Before an NFC-enabled smartphone can communicate with a tag or another device, what must it do?

Accepted Answer

A)  read the serial number of the other device 
B)  identify the capabilities of the device or tag 
C)  receive a reply from all devices within its range 
D)  transmit its clock speed 
A)  read the serial number of the other device 
B)  identify the capabilities of the device or tag 
C)  receive a reply from all devices within its range 
D)  transmit its clock speed

Question 9

What kind of modulation is used with most NFC tags?

Accepted Answer

A)  OFDM 
B)  DSSS 
C)  ASK 
D)  NRZ-I 
A)  OFDM 
B)  DSSS 
C)  ASK 
D)  NRZ-I

Question 10

Reader antennas are sometimes designed for a specific application.

Accepted Answer

A) True 
 B)False

Question 11

What type of coupling is used in NFC between a smartphone and a tablet computer?

Accepted Answer

A)  backscatter 
B)  capacitive 
C)  physical 
D)  inductive 
A)  backscatter 
B)  capacitive 
C)  physical 
D)  inductive

Question 12

The function of RFID middleware is to ________.

Accepted Answer

A)  store information about the types of tags used 
B)  convert the data read from the tags into a format that is compatible with that of the business application 
C)  control the functions of the reader hardware 
D)  control the functions of the tag hardware 
A)  store information about the types of tags used 
B)  convert the data read from the tags into a format that is compatible with that of the business application 
C)  control the functions of the reader hardware 
D)  control the functions of the tag hardware

Question 13

What is the purpose of an interrogator?

Accepted Answer

A)  to read information from the tags 
B)  to prevent unauthorized access to the tags 
C)  to increase the read distance 
D)  to store a charge that powers passive tags 
A)  to read information from the tags 
B)  to prevent unauthorized access to the tags 
C)  to increase the read distance 
D)  to store a charge that powers passive tags

Question 14

One of the main characteristics of sensory tags is that ______.

Accepted Answer

A)  they can sense the presence of other tags 
B)  they can block the signal from other tags 
C)  they only respond to the reader if a password is sent first 
D)  they can capture information about environmental conditions 
A)  they can sense the presence of other tags 
B)  they can block the signal from other tags 
C)  they only respond to the reader if a password is sent first 
D)  they can capture information about environmental conditions

Question 15

Which of the following is true about 1-bit tags?

Accepted Answer

A)  They store a unique identification code. 
B)  They can only be read by a passive reader. 
C)  They do not carry any information about the product. 
D)  They are also known as RF fibers. 
A)  They store a unique identification code. 
B)  They can only be read by a passive reader. 
C)  They do not carry any information about the product. 
D)  They are also known as RF fibers.

Question 16

Which of the following is an important characteristic of UHF passive tags?

Accepted Answer

A)  They have a shorter read distance. 
B)  They require less power to be read. 
C)  They work at greater distances than most other tags. 
D)  They only support very slow communications. 
A)  They have a shorter read distance. 
B)  They require less power to be read. 
C)  They work at greater distances than most other tags. 
D)  They only support very slow communications.

Question 17

Which of the following methods can be used to temporarily or permanently disable a tag? (Select two.)

Accepted Answer

A)  a blocker tag 
B)  an authentication password 
C)  a very-high-power pulse 
D)  the destroy password 
A)  a blocker tag 
B)  an authentication password 
C)  a very-high-power pulse 
D)  the destroy password

Question 18

What is one of the most critical challenges associated with RFID system implementation?

Accepted Answer

A)  the cost of the tags 
B)  the fact that tags can be read by anyone with a smartphone 
C)  the large amount of storage required 
D)  the encryption protocols 
A)  the cost of the tags 
B)  the fact that tags can be read by anyone with a smartphone 
C)  the large amount of storage required 
D)  the encryption protocols

Question 19

RFID is not expected to have a major impact on network traffic.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following RFID technologies does not support reading more than one tag at a time?

Accepted Answer

A)  readers 
B)  UHF 
C)  smart labels 
D)  LF 
A)  readers 
B)  UHF 
C)  smart labels 
D)  LF

What is the largest amount of memory in an NFC passive tag today?

The orientation of the tag's antenna usually does not affect readability.

Which mode must an NFC-capable device be in to behave like a smart card?

One of the ways used by the Gen2 protocol to select tags is by transmitting _________.

To modulate a response signal using backscatter, a tag has to ______.

The protocol used to handle collisions in HF RFID is called _____.

Interrogators and tags communicate using _________ communications.

Before an NFC-enabled smartphone can communicate with a tag or another device, what must it do?

What kind of modulation is used with most NFC tags?

Reader antennas are sometimes designed for a specific application.

What type of coupling is used in NFC between a smartphone and a tablet computer?

The function of RFID middleware is to ________.

What is the purpose of an interrogator?

One of the main characteristics of sensory tags is that ______.

Which of the following is true about 1-bit tags?

Which of the following is an important characteristic of UHF passive tags?

Which of the following methods can be used to temporarily or permanently disable a tag? (Select two.)

What is one of the most critical challenges associated with RFID system implementation?

RFID is not expected to have a major impact on network traffic.

Which of the following RFID technologies does not support reading more than one tag at a time?

Introduction to Wireless Communications

Wireless Data Transmission

Understanding Radio Frequency Communications

How Antennas Work

Low Rate Wireless Personal Area Networks

High-Rate Wireless Personal Area Networks

Wi-Fi Wireless Local Area Networks

Wi-Fi Wlan Security

WMAN - Wireless Metropolitan Area Networks

WWAN - Wireless Wide Area Networks

Wireless Communication in Business

Filters

Exam 11: RFID - Radio Frequency Identification

What is the largest amount of memory in an NFC passive tag today?

The orientation of the tag's antenna usually does not affect readability.

Which mode must an NFC-capable device be in to behave like a smart card?

One of the ways used by the Gen2 protocol to select tags is by transmitting _________.

To modulate a response signal using backscatter, a tag has to ______.

The protocol used to handle collisions in HF RFID is called _____.

Interrogators and tags communicate using _________ communications.

Before an NFC-enabled smartphone can communicate with a tag or another device, what must it do?

What kind of modulation is used with most NFC tags?

Reader antennas are sometimes designed for a specific application.

What type of coupling is used in NFC between a smartphone and a tablet computer?

The function of RFID middleware is to ________.

What is the purpose of an interrogator?

One of the main characteristics of sensory tags is that ______.

Which of the following is true about 1-bit tags?

Which of the following is an important characteristic of UHF passive tags?

Which of the following methods can be used to temporarily or permanently disable a tag? (Select two.)

What is one of the most critical challenges associated with RFID system implementation?

RFID is not expected to have a major impact on network traffic.

Which of the following RFID technologies does not support reading more than one tag at a time?

Introduction to Wireless Communications

Wireless Data Transmission

Understanding Radio Frequency Communications

How Antennas Work

Low Rate Wireless Personal Area Networks

High-Rate Wireless Personal Area Networks

Wi-Fi Wireless Local Area Networks

Wi-Fi Wlan Security

WMAN - Wireless Metropolitan Area Networks

WWAN - Wireless Wide Area Networks

Wireless Communication in Business

Filters