Deck 8: Wireless, Mobile Computing, and Mobile Commerce

Question 1

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

Answer 1

True

Question 2

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

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

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

Question 5

Rogue access points can be set up by employees.

Question 6

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

Question 7

Wi-Fi provides excellent security.

Question 8

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

Question 9

Radio transmissions are highly secure.

Question 10

The global positioning system is supported by GEO satellites.

Question 11

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

Question 12

Wireless computing does not really affect productivity.

Question 13

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

Question 14

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

Question 15

Mesh networks are reliable, efficient, and fault tolerant.

Question 16

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

Question 17

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

Question 18

Microwave transmissions are affected by environmental conditions such as storms.

Question 19

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

Question 20

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

Question 21

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 22

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 23

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 24

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

Question 25

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 26

_____ 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 27

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 28

Refer to IT's About Business 8.7 - Brazil Uses Smart Meters: Smart Meters can be used to monitor electricity consumption and detect theft.

Question 29

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 30

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 31

_____, 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 32

_____ 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 33

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 34

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 35

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 36

Refer to IT's About Business 8.6 - BP Uses Wireless Technologies: Wireless sensors can be used to increase safety and reliability by doing tasks that are too dangerous for humans.

Question 37

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 38

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 39

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 40

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 41

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 42

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 43

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

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

Question 44

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 45

_____ 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 46

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 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

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

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 50

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 51

_____ 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 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

_____ 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 54

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 55

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 56

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 57

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 58

The major problem with RFID has been _______.

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

Question 59

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 60

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 61

Describe the convergence of functions in today's smart phones.
Section reference 1: Wireless Technologies

Question 62

Refer to IT's About Business 8.3 - Near-Field Communications Helps Travelers in Japan: Which of the following statements is false?

A) SKiP reduces the check-in, security and boarding time in the train stations to 15 mins
B) Retailers and merchants and send targeted marketing messages to customers who are physically near their store
C) Japanese smartphones can be used as translators and wallets
D) NFC technology in smart phones is used for ticketing and boarding passes

Question 63

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 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

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 66

Discuss the differences between the traditional working environment and the wireless working environment.
Section reference 1: Material following chapter-opening case

Question 67

_____ 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 68

Refer to IT's About Business 8.4 - Airlines Provide Wi-Fi to Passengers: As customers get more used to having ubiquitous Internet access, Wi-Fi in airplanes will be ______.

A) Free
B) More expensive than it is now
C) Provided by the government
D) Illegal
E) None of the above

Question 69

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 70

Refer to IT's About Business 8.5 - Mobile Ads Still Aren't Very Good: Which of the following statements is false?

A) Mobile advertising sends advertisements to users based on their current location
B) Mobile advertising requires new formats since banner ads are not visible on small screens
C) Pop-up window advertising does not work as well on mobile devices as it does on computer screens
D) It is easier to track the effectiveness of mobile advertising than other mediums
E) Mobile advertising can be used to distribute coupons

Question 71

Refer to IT's About Business 8.1 - Big Wheel Mobile Truck & Square: Products like Square offer small independent businesses the following advantages over the traditional credit card systems:

A) Square does not charge merchants a fee for each transaction
B) Square does not require expensive equipment
C) Square can run on most mobile devices that the merchant already has
D) Square can be easily customized and updated
E) All of the above

Question 72

Refer to Closing Case - Retailer Gains Many Benefits with RFID Item-Level Tagging: Which of the following is the primary advantage of using RFID tags for retailers?

A) Easy to see tags on items
B) Storing more information about each item
C) Cost savings from time and labor
D) Cost savings on tags
E) Cost savings on scanner installations

Question 73

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 74

Define Bluetooth, and give examples of its uses.
Section reference 1: Wireless Technologies

Question 75

Describe the 802.11 family of standards.
Section reference 1: Wireless Computer Networks and Internet Access

Question 76

Refer to IT's About Business 8.2 - Cell Phones Revolutionize Healthcare in Uganda: Which of the following was not an outcome of using cell phones in Uganda?

A) Medication was removed from clinics that had too much
B) Doctors could text each other patient names
C) The mTrac system requires a long training period for users
D) Anonymous text messages can be sent to report any problems at the clinics
E) All of the above are true

Question 77

Differentiate among the three types of satellites.
Section reference 1: Wireless Technologies

Question 78

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 79

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

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

Question 80

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