Deck 8: Wireless, Mobile Computing, and Mobile Commerce

Question 1

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

Answer 1

True

Question 2

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

Answer 2

False

Question 3

Ultra-wideband is useful in zero visibility environments.

Answer 3

True

Question 4

Wireless computing doesn't really affect productivity.

Question 5

Microwave transmissions are affected by environmental conditions such as storms.

Question 6

Wi-Fi hotspots are two-dimensional.

Question 7

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

Question 8

Wireless means communication is occurring without wires.

Question 9

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

Question 10

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

Question 11

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

Question 12

Wi-Fi provides excellent security.

Question 13

Mobile means the technology can travel with the user.

Question 14

Near-field communications facilitates contactless payments.

Question 15

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

Question 16

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

Question 17

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

Question 18

Radio transmissions are highly secure.

Question 19

The global positioning system is supported by GEO satellites.

Question 20

Bluetooth is a LAN.

Question 21

Wireless systems can be difficult to secure.

Question 22

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

Question 23

Rogue access points can be set up by employees.

Question 24

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 25

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 26

QR codes must be read horizontally.

Question 27

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 28

Internet over satellite uses ____________ satellites.

A)GEO
B)LEO
C)MEO
D)NEO

Question 29

War driving is the act of locating WLANs while driving around a city or elsewhere.

Question 30

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

Question 31

________ systems are widely used for high-volume, long-distance, line-of-sight communication.

A)GPS
B)Microwave
C)Satellite
D)Wireless

Question 32

Wireless sensors are reliable, efficient, and fault tolerant.

Question 33

A mobile device doesn't have to be wireless.

Question 34

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 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 35

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 full-function Internet browser

Question 36

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 37

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

Question 38

OnStar, Sync, and Blue are examples of mobile wallets.

Question 39

War driving is the act of locating WLANs while driving around a city.

Question 40

Telemetry is the wireless transmission and receipt of data gathered from remote sources.

Question 41

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 42

___________ 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 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

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 45

Pick the answer that puts the satellites in order from closest to the earth's surface to farthest from the earth's surface.

A)GEO, MEO, LEO
B)LEO, MEO, GEO
C)GEO, LEO, MEO
D)LEO, GEO, MEO

Question 46

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 47

Telecommunications around the world are shifting to ________ networks.

A)cellular
B)mobile
C)Wi-Fi
D)VoIP

Question 48

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 49

Which of the following is not an advantage of radio transmission media?

A)No metallic wires are needed.
B)Radio waves propagate easily through office walls.
C)Radio devices are inexpensive.
D)Radio waves do not create electrical interference problems.
E)Radio devices are easy to install.

Question 50

_________, 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 51

GPS is a wireless system that uses ________ satellites.

A)GEO
B)LEO
C)MEO
D)NEO

Question 52

_________ wireless networks are the familiar Wireless LANs.

A)Short-range
B)Medium-range
C)Long-range
D)Wide-area

Question 53

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

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

Question 54

Bluetooth is an example of a _________ wireless network.

A)short-range
B)medium-range
C)long-range
D)near-range

Question 55

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

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

Question 56

______________ satellites maintain a relatively fixed position.

A)GEO
B)LEO
C)MEO
D)NEO

Question 57

_______ 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 58

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 59

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

A)Wi-Fi provides simple Internet access.
B)Laptop PCs 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 60

Pick the answer that puts the satellites in order from smallest number to largest number to cover the earth.

A)GEO, MEO, LEO
B)LEO, MEO, GEO
C)GEO, LEO, MEO
D)LEO, GEO, MEO

Question 61

With regard to mobile computing, _______ means that it is easy and fast to access the Web and other mobile devices.

A)ubiquity
B)convenience
C)instant connectivity
D)B and C
E)A, B, and C

Question 62

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 63

Which of the following is not a driver of m-commerce?

A)Bandwidth improvement
B)Cell phone culture
C)Higher prices of smart phones
D)Widespread availability

Question 64

The _______ standard can transmit up to 75 Mbps and has a range of 50 km.

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

Question 65

Today, most wireless local area networks use the ________ standard, which can transmit up to 600Mbps and has a range of about 250 feet.

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

Question 66

Which of the following is not a challenge mentioned in the case that Avaya faced when setting up the 2014 Sochi Winter Olympic Games?

A)Delivering high-definition TV channels
B)Handling an unprecedented number of mobile devices
C)Managing language barriers between technicians and athletes
D)Moving goods safely into Russia

Question 67

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 68

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 69

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 70

Cellular radio is an example of a ____________ wireless network.

A)short-range
B)medium-range
C)long-range
D)wide-area

Question 71

__________ 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 72

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 73

______________________ refers to the real-time connection between a mobile device and other computing environments.

A)Location-based commerce
B)Mobile computing
C)Mobile commerce
D)Telemetry

Question 74

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 75

The following is not an advantage of WiMAX over wireline:

A)Cost
B)Aesthetics
C)Rural access
D)All of the above are advantages of WiMAX.

Question 76

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 77

_______________ is a technology that allows cardholders to make purchases with a single click from their mobile devices.

A)Cyberbanking
B)Micropayment
C)Mobile banking
D)Mobile wallet

Question 78

___________ is a small, portable wireless device that provides users with a permanent Wi-Fi hotspot wherever they go.

A)MiFi
B)Wi-Fi Direct
C)Wireless mesh network
D)Wireless NIC

Question 79

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 80

___________ portals aggregate and provide content and services for mobile users.

A)Mobile
B)Service
C)Technology
D)Voice