Question 1

If you buy a hot dog at a concession stand using your contactless credit card, you are using a ____________.

Accepted Answer

A) wireless money transfer 
B) wireless wallet 
C) wireless bill payment 
D) micropayment 
E) wireless electronic payment system

Question 2

Wireless sensors are reliable, efficient, and fault tolerant.

Accepted Answer

A) True 
 B)False

Question 3

Short message service allows users to send text messages on digital cell phones.

Accepted Answer

A) True 
 B)False

Question 4

What are mobile portals and voice portals? Provide examples of their uses.

Accepted Answer

The answer of What are mobile portals and voice portals?...

Question 5

In a mesh network, the motes transmit their data to a central computer.

Accepted Answer

A) True 
 B)False

Question 6

The __________ model at the Miami Children's Hospital is most appropriate for nonemergency, consultative services because the physician is limited to a visual examination.

Accepted Answer

A) dynamic 
B) extremely static 
C) mobile 
D) semi-static

Question 7

With regard to mobile computing, _________ means that knowing where a user is physically located is a key to offering relevant products and services.

Accepted Answer

A) ubiquity 
B) convenience 
C) instant connectivity 
D) personalization 
E) localization of products and services

Question 8

Frank and his wife, Paula, run a country store in a high-foot-traffic area. They are trying to understand what the traffic in the store is by using technology. They are considering setting up a wireless sensor network. Which of the following statements is false?

Accepted Answer

A) Motes can be locations throughout the store. 
B) Once they have created the network, they cannot add additional sensors. 
C) The data are moved from sensor to sensor to reach a central computer. 
D) The sensors can tell the direction in which a person is moving. 
E) The network will need a base station.

Question 9

Wi-Fi provides excellent security.

Accepted Answer

A) True 
 B)False

Question 10

RFIDs are networks of interconnected, battery-powered, wireless sensors that are placed into the physical environment.

Accepted Answer

A) True 
 B)False

Question 11

Line-of-sight is a characteristic of ___________ systems.

Accepted Answer

A) GPS 
B) microwave 
C) satellite 
D) wireless

Question 12

What are the two characteristics of mobile computing, and what are the five value-added attributes of mobile computing?

Accepted Answer

The answer of What are the two characteristics of mobile...

Question 13

What is telemetry, and how is it used?

Accepted Answer

The answer of What is telemetry, and how is it...

Question 14

A voice portal is a standard website that accepts voice commands.

Accepted Answer

A) True 
 B)False

Question 15

Michaela runs a dog-walking business. She has three employees, and she prides herself in maintaining a high level of customer service. She gets about half of her business from last-minute requests. When she receives such a request, she needs to know where her employees are so that she can identify the nearest one who might be able to do the walk. Significantly, she needs this information before she can confirm the walk with the client. Which of the following technologies will help her obtain this information?

Accepted Answer

A) Radio transmission 
B) Internet over Satellite 
C) LEO constellation 
D) GPS 
E) Microwave

Question 16

Bluetooth is a LAN.

Accepted Answer

A) True 
 B)False

Question 17

Identify and discuss the four major threats to wireless networks.

Accepted Answer

The answer of Identify and discuss the four major threats...

Question 18

The main problem with radio transmission is which of the following?

Accepted Answer

A) Radio waves cannot travel through walls. 
B) When you travel too far from the source, the signal fades. 
C) Devices are difficult to install. 
D) Radio waves are slow. 
E) Devices are expensive to install.

Question 19

Individuals are finding it convenient and productive to use wireless devices for which of the following reasons?

Accepted Answer

A) To make use of time that was formerly wasted 
B) To become more productive 
C) Work locations are more flexible 
D) To be able to allocate working time around personal and professional obligations 
E) All of these

Question 20

Personalization means that a mobile device can provide real-time communication, independent of the user's location.

Accepted Answer

A) True 
 B)False

Exam 8: Wireless, Mobile Computing, and Mobile Commerce

If you buy a hot dog at a concession stand using your contactless credit card, you are using a ____________.

Wireless sensors are reliable, efficient, and fault tolerant.

Short message service allows users to send text messages on digital cell phones.

What are mobile portals and voice portals? Provide examples of their uses.

In a mesh network, the motes transmit their data to a central computer.

The __________ model at the Miami Children's Hospital is most appropriate for nonemergency, consultative services because the physician is limited to a visual examination.

With regard to mobile computing, _________ means that knowing where a user is physically located is a key to offering relevant products and services.

Frank and his wife, Paula, run a country store in a high-foot-traffic area. They are trying to understand what the traffic in the store is by using technology. They are considering setting up a wireless sensor network. Which of the following statements is false?

Wi-Fi provides excellent security.

RFIDs are networks of interconnected, battery-powered, wireless sensors that are placed into the physical environment.

Line-of-sight is a characteristic of ___________ systems.

What are the two characteristics of mobile computing, and what are the five value-added attributes of mobile computing?

What is telemetry, and how is it used?

A voice portal is a standard website that accepts voice commands.

Bluetooth is a LAN.

Identify and discuss the four major threats to wireless networks.

The main problem with radio transmission is which of the following?

Individuals are finding it convenient and productive to use wireless devices for which of the following reasons?

Personalization means that a mobile device can provide real-time communication, independent of the user's location.