Package Title: Testbank Questions
Course Title: IS 5e
Chapter Number: 8
Question Type: True/False
1. Wireless computing does not really affect productivity.
2. Wireless is a term used to describe telecommunications in which electromagnetic waves
carry the signal between communicating devices.
3. Wireless technologies are not changing the ways that organizations are doing business, but
they are enabling organizations to do business faster.
4. Short message service allows users to send short text messages on digital cell phones.
5. Microwave transmissions are affected by environmental conditions such as storms.
6. The higher the orbit of a satellite, the larger its footprint.
7. The global positioning system is supported by GEO satellites.
8. Radio transmissions are highly secure.
9. Bluetooth is a wireless standard that enables temporary, short-range connection between
mobile devices.
10. A hotspot is a small geographical perimeter within which a wireless access point provides
service to a number of users.
11. Wi-Fi provides excellent security.
12. In a mesh network, the motes transmit their data to a central computer.
13. Mesh networks are reliable, efficient, and fault tolerant.
14. Personalization means that a mobile device can provide real-time communication,
independent of the user’s location.
15. A voice portal is a standard Web site that accepts voice commands.
16. Mobile wallets enable users to make purchases with a single click from a mobile device.
17. Telemetry is the science that measures physical remoteness by means of wireless
transmissions from a remote source to a receiving station.
18. Pervasive computing and virtual reality are just different names for the same thing.
19. Two systems being developed to replace bar codes are QR codes and RFID systems.
20. Rogue access points can be set up by employees.
21. War driving is the act of locating wireless networks while driving around a certain area.
22. 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.
23. Refer to IT’s About Business 8.7 – Brazil Uses Smart Meters: Smart Meters can be used to
monitor electricity consumption and detect theft.
24. 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
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.
26. 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
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
28. 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
29. Which type of satellite has the largest footprint?
A. Low-earth-orbit
B. Medium-earth-orbit
C. Geostationary
D. Polar orbit
E. Equatorial orbit
30. 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
31. 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
32. _____ 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
33. 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.
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.
35. 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
36. _____ 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
37. 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
38. 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
39. _____, 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
40. 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.
41. 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.
42. 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
43. 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
44. _____ networks use multiple Wi-Fi access points to create a wide area network.
A. Mesh
B. Pervasive
C. Global
D. Fixed
E. Ubiquitous
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
46. 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
47. 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
48. 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
49. 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
50. 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.