Deck 10: Wireless, Mobile Computing, and Mobile Commerce

Question 1

The global positioning system is supported by GEO satellites.

Answer 1

False

Question 2

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

Answer 2

True

Question 3

Mobile wallets enable users to make purchases with a single click from a mobile device.

Answer 3

True

Question 4

The higher the orbit of a satellite, the larger its footprint.

Question 5

One advantage of smartphones is that people can use them to copy and pass on information that may be deemed confidential.

Question 6

Wireless is a term used to describe telecommunications in which electromagnetic waves carry the signal between communicating devices.

Question 7

Wireless computing does not really affect productivity.

Question 8

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

Question 9

A hotspot is a small geographical perimeter within which a wireless access point provides service to a number of users.

Question 10

Dematerialization is when the functions of many physical devices are included in one physical device.

Question 11

Telemetry is the science that measures physical remoteness by means of wireless transmissions from a remote source to a receiving station.

Question 12

Microwave transmissions are affected by environmental conditions such as storms.

Question 13

Radio transmissions are highly secure.

Question 14

An understanding of wireless technology and mobile commerce applications will increase your value to your organization.

Question 15

Bluetooth is a wireless standard that enables temporary, short-range connection between mobile devices.

Question 16

The terms wireless and mobile mean different things.

Question 17

Wi-Fi provides excellent security.

Question 18

Wireless technologies are not changing the ways that organizations are doing business, but they are enabling organizations to do business faster.

Question 19

A voice portal is a standard Web site that accepts voice commands.

Question 20

Pervasive computing means that virtually every object has processing power with either wired or wireless connections to a global network.

Question 21

Unfortunately, many managers consider smart phones as only _____, rather than as _____ that can transmit wirelessly.

A)Phones, digital cameras
B)Phones, pagers
C)Digital cameras, phones
D)Digital cameras, pagers
E)Cheap, expensive devices

Question 22

Pervasive computing and virtual reality are just different names for the same thing.

Question 23

Which type of satellite has the largest footprint?

A)Low-earth-orbit
B)Medium-earth-orbit
C)Geostationary
D)Polar orbit
E)Equatorial orbit

Question 24

Refer to IT's About Business 10.1 - Skybox Imaging Provides Commercial Images from Earth's Orbit: Skybox's long-term business model calls for the ______________.

A)sale of high quality satellite images b)launching of a small number of expensive satellites
C)scanning their images for and collecting useful and valuable data
D)use of high resolution cameras on their satellites

Question 25

_____ is a satellite-based tracking system that enables users to determine a person's position.

A)Bluetooth
B)Wireless application protocol
C)Short message service
D)Wi-Fi
E)Global positioning system

Question 26

Active RFID tags rely entirely on RFID readers for their power.

Question 27

Microwave transmission systems are used for _____ volume, _____ distance, _____ communications.

A)Low, long, broadcast
B)Low, short, line-of-sight
C)High, long, broadcast
D)High, short, broadcast
E)High, long, line-of-sight

Question 28

Of the following, which is the major problem with smart phones?

A)They are too slow.
B)They are too expensive.
C)They can be used to compromise security.
D)Their screens are too small.
E)Their browsers are not fully functional.

Question 29

Two systems being developed to replace bar codes are QR codes and RFID systems.

Question 30

War driving is the act of locating wireless networks while driving around a certain area.

Question 31

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?

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

Question 32

The area of the earth reached by a satellite's transmission is referred to as its _____.

A)Hotspot
B)Coverage
C)Footprint
D)Zone
E)Wireless area

Question 33

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

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

Question 34

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

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 35

Which of the following is not an advantage of wireless devices to users?

A)They have sufficient computing power to perform productive tasks.
B)They are small enough to easily carry or wear.
C)They can communicate wirelessly with the Internet and other devices.
D)All of the above are advantages.

Question 36

Michaela runs a dog-walking business. She has three employees, and she prides herself in maintaining a high level of customer service. She recently purchased a smartphone for herself for the business and is giving each employee $30 a month to subsidize their smartphone monthly bill. Using her smartphone will help Michaela with all but which of the following?

A)Browse the Internet
B)Update the billing on her home laptop
C)Find her employees using GPS
D)Answer Email.
E)Take pictures of the dogs to post on her Web site.

Question 37

The greatest problem with GEO satellites is which of the following?

A)Propagation delay
B)Expense
C)Orbital life
D)Size of the footprint
E)Relative speed with respect to a point on the earth's surface

Question 38

The capabilities of smart phones include all of the following except _________.

A)A calculator
B)E-mail
C)A global positioning system
D)Corporate transaction processing
E)A fully-functioning Internet browser

Question 39

The most common wireless technology for TV and DVD remote control devices is _______.

A)Bluetooth
B)Ultra-wideband
C)Near-field communications
D)WiMAX
E)Infrared

Question 40

Rogue access points can be set up by employees.

Question 41

Frank and his wife, Paula, run a country store with a special room where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. The area of the store that is provided this service is called a _________.

A)transceiver
B)local reception node
C)GPS location
D)mote
E)hotspot

Question 42

Which of the following statements about Wi-Fi is not correct?

A)Wi-Fi provides simple Internet access.
B)Laptop PC scans contain chips that can send and receive Wi-Fi signals.
C)Many companies offer free Wi-Fi access in their stores.
D)Wi-Fi requires encryption for secure transmissions.
E)Wi-Fi is expensive to set up.

Question 43

A small geographical perimeter within which a wireless access point provides service to a number of users is called a ________.

A)Transceiver
B)Hotspot
C)Local reception node
D)Wireless network
E)GPS location

Question 44

Frank and his wife, Paula, run a country store in a high-foot-traffic area in a resort town. The store has a special area where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, but Frank and Paula are considering adding Wi-Fi. Which of the following statements is false?

A)Their store would need to have broadband access.
B)Their store will need a wireless access point.
C)They could charge the customers for the service.
D)Wi-Fi is based on radio waves, so they will need a clear line-of-sight into the room.
E)They should consider using Wi-Fi Direct.

Question 45

The _____ standard can transmit up to 75 Mbps and has a range of 31 miles.

A)Wi-Fi
B)802.11b
C)802.11c
D)802.11g
E)WiMAX

Question 46

Which of the following is the most appropriate wireless technology for real-time location of caregivers and mobile equipment in healthcare environments?

A)Wi-Fi
B)Microwave
C)Ultra-wideband
D)Infrared
E)Bluetooth

Question 47

The development of mobile commerce is driven by all of the following factors except _________________.

A)The widespread availability of mobile devices.
B)The cell phone culture.
C)Increasing prices.
D)Bandwidth improvement.
E)It eliminates the need for a PC.

Question 48

_____, with the shortest range of any wireless network, is designed to be used with contactless credit cards.

A)Near-field communications
B)Bluetooth
C)Ultra-wideband
D)Wi-Fi
E)Infrared

Question 49

Refer to IT's About Business 10.3 - A Tiny Cellular Network for a Remote Tribe in Indonesia: The remote indigenous tribe in Papua, Indonesia, uses a specialized network configuration to provide themselves with access to the Internet. Which of the following does this network not contain?

A)Utilizes power from an existing hydropower generator. b)It uses an inexpensive base station roped to a treetop.
C)Uses a satellite dish to provide connectivity to a local school.
D)It uses a high power transmission tower situated on top of a hill near the village.

Question 50

Today, most wireless local area networks use the _____ standard, which can transmit up to 54 Mbps and has a range of about 300 feet.

A)802.11a
B)802.11b
C)802.11c
D)802.11g
E)WiMAX

Question 51

Which of the following is the most appropriate wireless networking standard for creating personal area networks?

A)Wi-Fi
B)Cellular radio
C)Microwave
D)Bluetooth
E)WiMAX

Question 52

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

A)Ubiquity
B)Convenience
C)Instant connectivity
D)Personalization
E)Localization of products and services

Question 53

The two major characteristics that differentiate mobile computing from other forms of computing are ______ and ________.

A)Mobility, broad reach
B)Mobility, lack of expense
C)Security, broad reach
D)Security, mobility
E)Broad reach, localization

Question 54

_____ is a wireless standard that enables temporary, short-range connection between mobile devices.

A)Bluetooth
B)Wireless application protocol
C)Short message service
D)Wi-Fi
E)Global positioning system

Question 55

_____ networks use multiple Wi-Fi access points to create a wide area network.

A)Mesh
B)Pervasive
C)Global
D)Fixed
E)Ubiquitous

Question 56

Which of the following is not a mobile application in financial services?

A)Transaction processing systems
B)Mobile banking
C)Wireless electronic payment systems
D)Micropayments
E)Wireless wallets

Question 57

Frank and his wife, Paula, run a country store with a special room where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. In order to provide Wi-Fi to this area, Frank and Paula had to install ___________.

A)a wireless access point
B)a local reception node
C)a motes
D)a GPS location
E)near-field communications.

Question 58

Which of the following is not inhibiting faster Wi-Fi expansion?

A)Users cannot roam from hotspot to hotspot if the hotspots use different Wi-Fi network services.
B)A lack of security.
C)The growth of WiMAX
D)Unless the service is free, users have to log on to separate accounts for each hotspot.
E)Wi-Fi services may not survive in the face of free hotspot access.

Question 59

Frank and his wife, Paula, run a country store in a high-foot-traffic area in a resort town. The store has a special area where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. Which of the following is not a security issue?

A)A rogue access point
B)War driving
C)Motes
D)Eavesdropping
E)Radio-frequency jamming

Question 60

_____ communicate(s)via radio waves using radio antennas placed within adjacent geographic areas.

A)Bluetooth
B)Cell phones
C)A satellite
D)Ultra-wideband
E)Near-field communications

Question 61

Although rogue access devices can be installed innocently, they can also be installed by an attacker trying to gain unauthorized access to a wireless network. In such cases, these devices are called an _____.

A)Unencrypted node
B)Evil twin
C)Open node
D)Illegal server
E)Unauthorized rogue access point

Question 62

Frank and his wife, Paula, run a country store with a special room where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. Paula says she's heard about people driving around trying to access data as it's being transmitted on wireless networks. You tell her this is called ___________.

A)Eavesdropping
B)Cybersquatting
C)RF jamming
D)War driving
E)Installing rogue access devices

Question 63

The generic term for technologies that use radio waves to automatically identify individual items is __________.

A)Telemetry b)Bar codes
C)Shipping labels
D)Radio-frequency identification
E)Wireless access points

Question 64

The act of locating wireless local area networks while moving around a city is called ____.

A)Eavesdropping
B)War driving
C)RF jamming
D)Cybersquatting
E)Installing rogue access devices

Question 65

The major problem with RFID has been _______.

A)Expense b)Bandwidth
C)Location
D)RFID readers
E)RFID tags

Question 66

Parking meters that you can pay via your mobile telephone are an example of _________.

A)Mobile banking
B)Wireless electronic payment
C)Wireless wallets
D)Brokerage service
E)Money transfer

Question 67

Frank and his wife, Paula, run a country store with a special room where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. Paula says she's heard about people trying to interfere with other people's wireless transmissions. You tell her this is called ______________.

A)Eavesdropping
B)Cybersquatting
C)RF jamming
D)War driving
E)Installing rogue access devices

Question 68

Putting ads on top of taxicabs in New York City that change as the cabs travel around the city is an example of ________.

A)Viral marketing
B)Permission advertising
C)Geographical advertising
D)Location-based advertising
E)Direct marketing

Question 69

Which of the following is not a limitation of barcodes?

A)They require line-of-sight to the scanning device. b)They are printed on paper.
C)They identify the manufacturer, product, and item.
D)They are difficult to use in a manufacturing plant.
E)They are useless in determining expiration date.

Question 70

What would be the best use of RFID in a business?

A)Transaction processing b)Supply chain management
C)Personnel tracking
D)Enabling communications with customers
E)Decreasing network costs

Question 71

Frank and his wife, Paula, run a country store in a high-foot-traffic area in a resort town. 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?

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 72

Frank and his wife, Paula, run a country store with a special room where husbands can sit while their wives are shopping. The Men's Corner already has a large-screen TV for sports viewing, and they recently added Wi-Fi. Paula says she's heard about people driving around trying to find wireless points. You tell her this is called _____________.

A)Eavesdropping
B)Cybersquatting
C)RF jamming
D)War driving
E)Installing rogue access devices

Question 73

A(n)_____ allows unauthorized entry into a wireless network.

A)Lack of encryption
B)Disgruntled employee
C)Open node
D)Illegal server
E)Rogue access point

Question 74

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

A)Wireless money transfer
B)Wireless wallet
C)Wireless bill payment
D)Micropayment
E)Wireless electronic payment system

Question 75

Frank and his wife, Paula, run a country store in a high-foot-traffic area in a resort town. Which of the following would not be a beneficial use of mobile technology for their store?

A)Telemetry
B)Location-based
C)Wireless payments
D)Mobile app loyalty program
E)All of these could be used beneficial.

Question 76

_____ is the science that measures physical remoteness by means of wireless transmission from a remote source to a receiving station.

A)Telemetry b)Wireless access point
C)Near-field communications
D)Microwave
E)Wireless positioning

Question 77

_____ refers to efforts by unauthorized users to access data traveling over wireless networks.

A)RF jamming
B)War driving
C)Eavesdropping
D)Telemetry
E)Installing rogue access devices

Question 78

In _____, a person or a device intentionally or unintentionally interferes with your wireless network transmissions.

A)RF jamming
B)War driving
C)Eavesdropping
D)Telemetry
E)Installing rogue access devices

Question 79

_____ networks collect data from many points over an extended space.

A)Bluetooth
B)Ultra-wideband
C)Wireless sensor
D)WiMAX
E)Wi-Fi