Package Title: Testbank Questions
Course Title: Intro to IS 5e
Chapter Number: 6
Question Type: True/False
1. A local area network connects two or more communicating devices in a limited geographical
area.
2. Network interface cards are special adapters that link an individual device to the
communications medium on a local area network.
3. The network interface card typically houses the LAN’s network operating system.
4. Wide-area networks have a large capacity, and they typically use a single communications
channel.
5. Digital signals are continuous waves that transmit information by altering the characteristics
of the waves.
6. Digital signals have two parameters: frequency and amplitude.
7. The U.S. public telephone system was designed as an analog network to carry voice signals.
8. Cable media use wires or cables to transmit data and information.
9. Twisted-pair wire is the least-used form of communications wiring.
10. Cladding is the coating that surrounds fiber-optic cables and prevents light from leaking out
of the fiber.
11. Systems that use digital subscriber lines (DSL) do not require modems.
12. Currently, ATM networks operate only on fiber-optic cable.
13. The Internet is a global network of computer networks.
14. An intranet is a network that uses Internet technologies and is designed to serve the
information needs of a single organization.
15. Intranets support discovery, communication, and collaboration inside an organization.
16. An extranet is a network that uses Internet technologies and is designed to serve the
information needs of a single organization.
17. Extranets offer limited accessibility to the intranets of participating companies.
18. An Internet service provider is a company that offers Internet connections for a fee.
19. Internet kiosks are computer terminals located in public places like libraries and airports.
20. A domain name is the official name assigned to an Internet site, consisting of multiple parts,
separated by dots, which are translated from right to left in locating the site.
21. The rightmost part of an Internet name is the top-level specification, or the zone.
22. The World Wide Web is a system with universally accepted standards for storing, retrieving,
formatting, and displaying information via a client/server architecture.
23. Uniform resource locators (URLs) point to the address of a specific resource or site on the
Web.
24. Uniform resource locators (URLs) are software applications through which users access the
Web.
25. The hypertext transport protocol (HTTP) is the communications standard used to transfer
pages across the World Wide Web portion of the Internet.
26. A major problem of the discovery applications of networks is the huge amount of information
available.
27. Metasearch engines search several engines at once and integrate the findings of the
various search engines.
28. The quality of automatic translation of Web pages is usually just as good as human
translation.
29. Commercial portals are intended for broad audiences and offer fairly routine content.
30. Industrywide portals are intended for broad audiences and offer fairly routine content.
31. Electronic mail is the largest-volume application running over the Internet.
32. With Voice-over-IP, every call opens up a dedicated circuit for the duration of the call.
33. E-learning is conducted only in virtual classrooms, where all coursework is completed
online.
34. Virtual universities are online universities from which students take classes from home or at
an off-site location, via the Internet.
35. Employees who telecommute have generally found that the experience enhances their
careers.
36. Refer to IT’s About Business 6.1: Studio G. When scaling infrastructure, it is important to not
only consider current needs, but also consider possible future needs.
37. Refer to IT’s About Business 6.5: Yahoo! CEO Marissa Mayer Bans Telecommuting. The
cost savings of telecommuting to both the employees and employers universally outweighs the
benefits of working in the office.
Multiple Choice
38. _____ refers to the range of frequencies available in any communications channel.
A. Protocol
B. Broadband
C. Capacity
D. Narrowband
E. Bandwidth
39. Which of the following are advantages of computer networks?
A. They enable organizations to be more flexible.
B. They enable companies to share hardware, computer applications, and data.
C. They enable geographically dispersed employees to work together.
D. They provide a critical link between businesses and their customers.
E. All of the above
40. The components of a local area network include which of the following?
A. File server
B. Client computers
C. Wireline or wireless communications media
D. Network interface cards
E. All of the above
41. Which of the following is not a component of a local area network?
A. File server
B. Client computers
C. Bridge
D. Network interface cards
E. All of the above
42. A _____ connects dissimilar networks.
A. Router
B. Network interface card
C. Bridge
D. Gateway
E. File server
43. A(n) _____ connects two or more devices in a limited geographical area.
A. Local area network
B. Wide-area network
C. Personal area network
D. Enterprise network
E. Value added network
44. A _____ sends messages through several connected LANs or to a wide-area network.
A. Router
B. Network interface card
C. Bridge
D. Gateway
E. File server
45. A _____ allows a device to physically connect to a local area network’s communications
medium.
A. File server
B. Network interface card
C. Network operating system
D. Communications channel
E. Gateway
46 All of the following statements concerning wide-area networks are true except:
A. They are provided by individual companies.
B. They have large capacity.
C. They cover large geographical areas.
D. They combine multiple communications channels.
E. The Internet is an example of a wide-area network.
47. The function of _____ is to convert digital signals to analog signals and vice-versa.
A. Modems
B. Multiplexers
C. Front-end processors
D. Servers
E. Clients
48. _____ signals convey information in wave form, whereas _____ signals convey information
in binary form.
A. Analog, packet
B. Analog, digital
C. Digital, packet
D. Digital, analog
E. Packet, analog
49. _____ are hardware devices that support data transmission and reception across a
telecommunications system.
A. Integrated services digital networks
B. Digital subscriber lines
C. Communications channels
D. Integrated circuits
E. Communications processors
50. Which of the following is not a communications channel?
A. Fiber-optic cable
B. Satellite transmission
C. Twisted-pair wire
D. Integrated circuits
E. Cellular radio
51. Which of the following is not a characteristic of twisted-pair wire?
A. Inexpensive
B. Easy to work with
C. Subject to interference from other electrical sources
D. Secure transmissions
E. None of the above
52. The cable medium with the highest bandwidth is:
A. Twisted-pair wire
B. Coaxial cable
C. Fiber–optic cable
D. Cellular radio
E. Copper cable
53. Data are sent through a fiber-optic cable by a(n) _______.
A. Optical switch
B. Electromagnetic switch
C. Laser
D. Multiplexer
E. Optical modem
54. Which data transmission technology requires fiber-optic cable, can transmit up to 2.5
gigabits per second, and is more expensive than DSL?
A. Digital subscriber line
B. Asynchronous transfer mode
C. Synchronous optical network
D. T-carrier system
E. ISDN
55. Which transmission technology is an interface standard for transporting digital signals over
fiber-optic lines that enables the integration of transmissions from multiple vendors?
A. Digital subscriber line
B. Asynchronous transfer mode
C. Synchronous optical network
D. T-carrier system
E. ISDN
56. Which of the following is a digital transmission system that defines circuits that operate at
different rates, all of which are multiples of the basic 64 Kbps used to transport a single voice
call?
A. Digital subscriber line
B. Asynchronous transfer mode
C. Synchronous optical network
D. T-carrier system
E. ISDN
57. In order to ensure that computers developed by different manufacturers can communicate,
_____ have been developed.
A. Protocols
B. Client/server architectures
C. WANs
D. Application software packages
E. Developmental architectures
58. A protocol is:
A. A device that handles the switching of voice and data in a local area network.
B. A standard set of rules and procedures for the control of communications in a network.
C. A communications service for the connection of devices in a local area network.
D. The main communications channel in a wide-area network.
E. Synonymous with network interface card.
59. The part of a network that handles the major traffic is the ________.
A. Front end
B. Network interface
C. Multiplexer
D. Backbone
E. Front end processor
60. Which of the following enables users to send data across sometimes unreliable networks?
A. Ethernet
B. TCP/IP
C. Protocols
D. Digital subscriber lines
E. Integrated services digital network
61. In TCP/IP, IP is responsible for:
A. Disassembling and reassembling of packets during transmission.
B. Establishing the Internet connection between two computers.
C. Moving packets over the network.
D. Sequencing the transfer of packets across the network.
E. Error checking.
62. Which of the following statements concerning packet switching is not true?
A. Packets contain a sequence number.
B. Packets are routed through different paths.
C. Packets require dedicated circuits.
D. Packets use TCP/IP to carry their data.
E. Packets contain destination addressing.
63. A type of processing that links two or more computers in an arrangement in which some
machines provide computing services for user computers is best described as _______.
A. Open systems
B. Client/server
C. Peer–to–peer
D. Centralized
E. Mainframe-centric
64. BitTorrent uses a process called _____, which eliminates file-sharing bottlenecks by having
everyone share little pieces of a file at the same time.
A. Leeching
B. Collaboration