Deck 6: Wireless, Mobile Computing, and Mobile Commerce

Question 1

Microwave transmissions are affected by environmental conditions such as storms.

Answer 1

True

Question 2

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

Answer 2

True

Question 3

Wireless computing does not really affect productivity.

Answer 3

False

Question 4

Ultra-wideband is useful in zero visibility environments.

Question 5

Near-field Communications facilitates contactless payments.

Question 6

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

Question 7

Wi-Fi hotspots are two-dimensional.

Question 8

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

Question 9

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

Question 10

Radio transmissions are highly secure.

Question 11

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

Question 12

The global positioning system is supported by GEO satellites.

Question 13

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

Question 14

Mobile means the technology can travel with the user.

Question 15

Korean Tacos is an example of viral marketing.

Question 16

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

Question 17

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

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

Wi-Fi provides excellent security.

Question 20

Bluetooth is a LAN.

Question 21

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

Question 22

Wireless systems can be difficult to secure.

Question 23

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

Question 24

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

Question 25

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 these

Question 26

________ systems are widely used for high-volume, long-distance, point-to-point communication.

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

Question 27

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 28

Rogue access points can be set up by employees.

Question 29

Mesh networks are reliable, efficient, and fault tolerant.

Question 30

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 31

Brigham Young University-Hawaii's Avenda system works to secure both wireless and wired networks.

Question 32

Location-based services in shopping malls do nothing to help combat online shopping.

Question 33

Wireless Sensor Networks (WSNs)are networks of interconnected, battery-powered, wireless sensors that are placed into the physical environment.

Question 34

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

Question 35

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

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

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

Question 38

A mobile device doesn't have to be wireless.

Question 39

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

Question 40

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

Question 41

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 42

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 43

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 44

Internet over satellite uses ____________ satellites.

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

Question 45

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 46

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 47

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 48

_____ 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 49

_____, 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 50

______________ satellites maintain a relatively fixed position.

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

Question 51

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 52

Which of the following is not an advantage of radio?

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 53

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

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

Question 54

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 55

_____ 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 56

_________ wireless networks are the familiar Wireless LANs.

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

Question 57

GPS is a wireless system that uses ________ satellites.

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

Question 58

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 59

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 60

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 61

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 62

Bluetooth is an example of a _________ wireless network.

A)Short-range
B)Medium-range
C)Long-range
D)Near-range

Question 63

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 64

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 65

___________ 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 66

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 67

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 68

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 69

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

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

Question 70

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 71

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 72

Cellular radio is an example of a ____________ wireless network.

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

Question 73

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

A)Cyberbanking
B)Micropayments
C)Mobile banking
D)Mobile wallets

Question 74

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 75

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 76

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 77

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 78

___________ portal aggregates and provides content and services for mobile users.

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

Question 79

_____ 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 80

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