Deck 8: Wireless, Mobile Computing, and Mobile Commerce

Question 1

The global positioning system is supported by GEO satellites.

Answer 1

False

Question 2

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

Answer 2

False

Question 3

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

Answer 3

True

Question 4

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

Question 5

Microwave transmissions are affected by environmental conditions such as storms.

Question 6

Radio transmissions are highly secure.

Question 7

Mesh networks are reliable, efficient, and fault tolerant.

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

Rogue access points can be set up by employees.

Question 14

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

Question 15

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

Question 16

Wireless computing does not really affect productivity.

Question 17

Wi-Fi provides excellent security.

Question 18

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

Question 19

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

Question 20

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

Question 21

_____ 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 22

_____ 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 23

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

Question 24

_____, 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 25

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 26

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 27

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 28

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 29

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 30

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 31

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 32

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 33

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 34

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 35

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 above

Question 36

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 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

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 39

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 40

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 41

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 42

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 43

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 44

_____ 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 45

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 46

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 47

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 48

The major problem with RFID has been _______.

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

Question 49

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

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

Question 50

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 51

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 52

Sense networks track users via all of the following technologies except _______.

A) GPS
B) Traffic cameras
C) Cell towers
D) Wi-Fi networks
E) None of the above

Question 53

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 54

_____ refer(s) to the wireless communication of location-based information and control messages to and from vehicles and other mobile assets.

A) Location-based services
B) Telematics
C) Pervasive services
D) RFID
E) Wi-Fi

Question 55

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 56

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 57

_____ 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 58

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 59

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

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

Question 60

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 61

Explain location-based commerce, and provide examples.

Question 62

_____ 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 63

Refer to Opening Case - The Battle for the Mobile Wallet: Which of the following statements concerning mobile wallets is true?

A) Traditional credit card issuers have not shown a serious interest in this technology.
B) Individual companies cannot utilize this technology due to its prohibitive price.
C) Google has launched a program to manufacture its own smart phone chips.
D) Unlike traditional wallets, smart phones can be password protected.
E) Consumer advocates endorse mobile systems because they will lead to lower prices.

Question 64

Define Bluetooth, and give examples of its uses.

Question 65

Refer to Closing Case - A Mobile Application for Home Depot: Which of the following statements concerning IT use at Home Depot is false?

A) Home Depot didn't have information systems that could support a change in corporate strategy.
B) Home Depot's Web site did not provide a seamless shopping experience.
C) Home Depot's Web site was easy to use and user friendly.
D) Home Depot upgraded the walkie-talkies that the associates used.
E) Contact-less scanners for reading credit card information on customers' smartphones were installed in Home Depot's U.S. stores.

Question 66

Refer to IT's About Business 8.3 - Location-Based Services at Shopping Malls: Which of the following statements is false?

A) The mall industry expects these services will prevent malls from losing shoppers to online retailers.
B) A current mall app helps shoppers remember where they parked.
C) Some current mall apps offer reward points.
D) A mall app can be a loyalty program.
E) A mall app can offer coupons based on shoppers location within the mall.

Question 67

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 68

Which of the following can be used for reading utility meters without a person having to get out of a truck?

A) RuBee
B) ZigBee
C) Wi-Fi
D) Near-field communications
E) RFID

Question 69

Differentiate among the three types of satellites.

Question 70

Describe the 802.11 family of standards.

Question 71

Describe the convergence of functions in today's smart phones.

Question 72

Discuss the differences between the traditional working environment and the wireless working environment.

Question 73

What are micropayments and mobile wallets? Provide examples of their uses.

Question 74

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 75

Refer to IT's About Business 8.4 - Your Car Becomes a Smartphone: General Motors' OnStar is an example of ____________ technology.

A) Location-based
B) Workflow
C) Telemetry
D) Mobile portal
E) None of the above

Question 76

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 77

Refer to IT's About Business 8.2 - WiMAX Helps the People of Northern Thailand: Which of the following was not an outcome of deploying WiMAX to the villages in Thailand?

A) E-books were made accessible.
B) Village schools collaborated with one another.
C) The Internet became available as a research tool.
D) Many villagers used computers for the first time.
E) MFL University could hold classes in outlying villages.

Question 78

Refer to IT's About Business 8.1 - Tacos, Trucks, and Tweets?: Kogi BBQ uses Twitter to inform customers:

A) What's on the menu.
B) A truck's location.
C) Where street parties are being held.
D) How to pay for their tacos.
E) Kogi BBQ uses Twitter for all of the above.

Question 79

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 80

Refer to IT's About Business 8.5 - Protecting an Open Wireless Network at Brigham Young University - Hawaii: Which of the following statements is false?

A) BYU-Hawaii had a closed wireless campus network.
B) BYU-Hawaii could not track who was using the network.
C) BYU-Hawaii did not use Cisco Clean Access because it did not provide a virtual private network capability.
D) BYU-Hawaii uses Avenda to provide virtual private networking for off-campus users.
E) BYU-Hawaii uses Avenda to evaluate network performance.