Question 1

There are several advantages of free space optics (FSO)compared to fiber optic and RF systems.List and describe them.

Accepted Answer

Lower installation costs-FSO installatio

Question 2

List and describe three technologies in 802.11ac.

Accepted Answer

Spectrum. 802.11ac will operate in the l

Question 3

Which of the following is NOT true of broadband radio service?

Accepted Answer

A)  used to transmit digital radio 
B)  can transmit video,voice,and data up to 1.5 Mbps 
C)  can be used as an alternative to cable TV 
D)  it uses narrowband RF 
A)  used to transmit digital radio 
B)  can transmit video,voice,and data up to 1.5 Mbps 
C)  can be used as an alternative to cable TV 
D)  it uses narrowband RF

Question 4

In a piconet,one device is the ____,and controls all of the wireless traffic.

Accepted Answer

A)  active slave 
B)  slave 
C)  master 
D)  controller 
A)  active slave 
B)  slave 
C)  master 
D)  controller

Question 5

The transmission speed of wireless personal area networks is higher than the other types of wireless networks.

Accepted Answer

A) True 
 B)False

Question 6

Describe the WiMAX MAC layer.

Accepted Answer

The MAC layer of WiMAX is different than

Question 7

Which of the following is NOT true of the Bluetooth technology?

Accepted Answer

A)  it uses FHSS 
B)  it uses the 5.0 GHz spectrum 
C)  it is a short-range technology 
D)  Bluesnarfing is a type of attack on a Bluetooth device 
A)  it uses FHSS 
B)  it uses the 5.0 GHz spectrum 
C)  it is a short-range technology 
D)  Bluesnarfing is a type of attack on a Bluetooth device

Question 8

A Bluetooth device in ____ mode is part of the piconet but is in a low-power state.

Accepted Answer

A)  idle 
B)  inquire 
C)  page 
D)  park/hold 
A)  idle 
B)  inquire 
C)  page 
D)  park/hold

Question 9

Which technology is most likely found in applications such as smart lighting,temperature control,and smoke detection?

Accepted Answer

A)  NFC 
B)  RFID 
C)  ZigBee 
D)  Bluetooth 
A)  NFC 
B)  RFID 
C)  ZigBee 
D)  Bluetooth

Question 10

List and describe the two different types of RFID tags?

Accepted Answer

Passive RFID tags do not have their own

Question 11

Which of the following is NOT true about IrDA technology?

Accepted Answer

A)  speed does not vary with distance 
B)  transmission uses lasers 
C)  devices cannot send and receive at the same time 
D)  ambient light can impact transmissions 
A)  speed does not vary with distance 
B)  transmission uses lasers 
C)  devices cannot send and receive at the same time 
D)  ambient light can impact transmissions

Question 12

Match between columns
                        Premises: an RFID tag that does not have its own power supply but uses the tiny electrical current induced in the antenna by the incoming signal
a network that utilizes sensors placed on the human body to monitor human biological functions that are transmitted to a third party physician
a network that introduces actuators in addition to sensors so that immediate effects can be made on the human body
an IEEE 802.15.7 standard that transmits data by the intensity of the modulating optical source
an optical,wireless,point-to-point,line-of-sight wireless technology for outdoor transmissions
a low-power,short-range,and low-data rate specification that is based on 802.15.4 but that includes standards for network configuration,security and other higher-level features
an attack that accesses unauthorized information from a wireless device through a Bluetooth connection
a WWAN based on IEEE 802.16-2004 that can serve as a substitute for fiber optic connections between buildings
an attack that sends unsolicited messages to Bluetooth-enabled devices
set of standards primarily for smartphones and smart cards that is used to establish communication between devices

Accepted Answer

The Answer of near field communication and bluesnarfing and ZigBee is...

Question 13

What type of RFID tag operates at 2.45 GHz?

Accepted Answer

A)  Ultrahigh frequency 
B)  Microwave 
C)  High frequency 
D)  Low frequency 
A)  Ultrahigh frequency 
B)  Microwave 
C)  High frequency 
D)  Low frequency

Question 14

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet)of each other or a centrally located access point?

Accepted Answer

A)  WPAN 
B)  WLAN 
C)  WMAN 
D)  WWAN 
A)  WPAN 
B)  WLAN 
C)  WMAN 
D)  WWAN

Question 15

Which of the following are Bluetooth piconet modes? (Choose all that apply.)

Accepted Answer

A)  standby 
B)  idle 
C)  page 
D)  connected 
A)  standby 
B)  idle 
C)  page 
D)  connected

Question 16

Which of the following are advantages of VLC? (Choose all that apply.)

Accepted Answer

A)  signals are spread wide for large coverage 
B)  visible light is not harmful to humans 
C)  EMI does not impact VLC 
D)  strict regulations govern its use 
A)  signals are spread wide for large coverage 
B)  visible light is not harmful to humans 
C)  EMI does not impact VLC 
D)  strict regulations govern its use

Question 17

Which technology is most likely found in applications such as asset tracking,Smart Keys,and toll collection?

Accepted Answer

A)  Bluetooth 
B)  NFC 
C)  UWB 
D)  RFID 
A)  Bluetooth 
B)  NFC 
C)  UWB 
D)  RFID

Question 18

What is the recommended color for the window in an IrDA device?

Accepted Answer

A)  red 
B)  amber 
C)  green 
D)  violet 
A)  red 
B)  amber 
C)  green 
D)  violet

Question 19

Which of the following are features of Ultra-wideband? (Choose all that apply.)

Accepted Answer

A)  four levels of security 
B)  coexistence with 802.15 WMANs 
C)  QoS 
D)  use of the 900 MHz spectrum 
A)  four levels of security 
B)  coexistence with 802.15 WMANs 
C)  QoS 
D)  use of the 900 MHz spectrum

Question 20

One of the drawbacks of the proposed 802.11ac standard is an expected lower battery life for wireless devices using this standard.

Accepted Answer

A) True 
 B)False

There are several advantages of free space optics (FSO)compared to fiber optic and RF systems.List and describe them.

List and describe three technologies in 802.11ac.

Which of the following is NOT true of broadband radio service?

In a piconet,one device is the ____,and controls all of the wireless traffic.

The transmission speed of wireless personal area networks is higher than the other types of wireless networks.

Describe the WiMAX MAC layer.

Which of the following is NOT true of the Bluetooth technology?

A Bluetooth device in ____ mode is part of the piconet but is in a low-power state.

Which technology is most likely found in applications such as smart lighting,temperature control,and smoke detection?

List and describe the two different types of RFID tags?

Which of the following is NOT true about IrDA technology?

What type of RFID tag operates at 2.45 GHz?

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet)of each other or a centrally located access point?

Which of the following are Bluetooth piconet modes? (Choose all that apply.)

Which of the following are advantages of VLC? (Choose all that apply.)

Which technology is most likely found in applications such as asset tracking,Smart Keys,and toll collection?

What is the recommended color for the window in an IrDA device?

Which of the following are features of Ultra-wideband? (Choose all that apply.)

One of the drawbacks of the proposed 802.11ac standard is an expected lower battery life for wireless devices using this standard.

The World of Wireless

Wireless Local Area Networks

Radio Frequency Fundamentals

Antennas

Physical Layer Standards

Medium Access Control Layer Standards

WLAN Management and Architectures

Conducting a Site Survey

Wireless LAN Security Vulnerabilities

Implementing Wireless LAN Security

Managing a Wireless LAN

Wireless Network Troubleshooting and Optimization

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Exam 13: Other Wireless Networks

There are several advantages of free space optics (FSO)compared to fiber optic and RF systems.List and describe them.

List and describe three technologies in 802.11ac.

Which of the following is NOT true of broadband radio service?

In a piconet,one device is the ____,and controls all of the wireless traffic.

The transmission speed of wireless personal area networks is higher than the other types of wireless networks.

Describe the WiMAX MAC layer.

Which of the following is NOT true of the Bluetooth technology?

A Bluetooth device in ____ mode is part of the piconet but is in a low-power state.

Which technology is most likely found in applications such as smart lighting,temperature control,and smoke detection?

List and describe the two different types of RFID tags?

Which of the following is NOT true about IrDA technology?

What type of RFID tag operates at 2.45 GHz?

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet)of each other or a centrally located access point?

Which of the following are Bluetooth piconet modes? (Choose all that apply.)

Which of the following are advantages of VLC? (Choose all that apply.)

Which technology is most likely found in applications such as asset tracking,Smart Keys,and toll collection?

What is the recommended color for the window in an IrDA device?

Which of the following are features of Ultra-wideband? (Choose all that apply.)

One of the drawbacks of the proposed 802.11ac standard is an expected lower battery life for wireless devices using this standard.

The World of Wireless

Wireless Local Area Networks

Radio Frequency Fundamentals

Antennas

Physical Layer Standards

Medium Access Control Layer Standards

WLAN Management and Architectures

Conducting a Site Survey

Wireless LAN Security Vulnerabilities

Implementing Wireless LAN Security

Managing a Wireless LAN

Wireless Network Troubleshooting and Optimization

Filters