Chapter 6

Question 1

Technique for making telephone calls over the
Internet.

Answer 1

VoIP (

Question 2

The ability for all networks to connect to one
another

Answer 2

Network interoperability

Question 3

An interconnected or interrelated chain, group, or
system

Answer 3

Network

Question 4

Software that serves to “glue together” separate
program

Answer 4

middleware

Question 5

The usefulness, or utility, of a network equals the
square of the number of users.

Answer 5

Metcalfe’s law

Question 6

Internet-like networks that improve communications and collaboration, publish and share information, and develop applications to support
business operations and decision making within
an organization.

Answer 6

intranet

Question 7

Provide Internet-like access to a company’s operational databases and legacy systems by its customers and supplier

Answer 7

Extranet

Question 8

Company that provides individuals and organizations access to the Internet

Answer 8

. Internet service provider

Question 9

A communications network covering a large geographic are

Answer 9

Wide area networks (WAN)

Question 10

A communications network in an office, a building, or other works

Answer 10

Local area networks
(LAN)

Question 11

Representation of an electrical signal using binary
number

Answer 11

Digital

Question 12

Coaxial cable, microwave, and fiber optics are
examples.

Answer 12

Telecommunications media

Question 13

A communications medium that uses pulses of
laser light in glass fiber

Answer 13

Fiber optics

Question 14

A short range cable replacement technology for
digital devices.

Answer 14

Bluetooth

Question 15

includes modems, multiplexers, and inter-network
processors

Answer 15

Telecommunications
processors

Question 16

Includes programs such as network operating systems and Web browsers

Answer 16

Telecommunications software

Question 17

A common communications processor for microcomputer

Answer 17

Modems

Question 18

Helps a communications channel carry simultaneous data transmissions from many terminals

Answer 18

Multiplexer

Question 19

Star, ring, and bus networks are examples

Answer 19

Network topologies

Question 20

Representation of an electrical signal that is analogous to the signal itself

Answer 20

Analog

Question 21

The communications speed and capacity of telecommunications networks

Answer 21

Bandwidth

Question 22

. Intranets and extranets can use their network firewalls and other security features to establish secure
Internet links within an enterprise or its trading
partners

Answer 22

Virtual private network
(VPN

Question 23

Sturdy cable that provides high bandwidth on a
single conductor.

Answer 23

Coaxial cable

Question 24

Standard rules or procedures for control of communications in a netwo

Answer 24

Protocol

Question 25

An international standard, multilevel set of protocols to promote compatibility among telecommunications network

Answer 25

Open Systems Interconnection (OSI)

Question 26

The standard suite of protocols used by the Internet, intranets, extranets, and some other networks

Answer 26

TCP/IP

Question 27

information systems with common hardware, software, and network standards that provide easy access for end users and their networked computer systems.

Answer 27

Open System

Question 28

Interconnected networks need communications processors such as switches, routers, hubs, and gateways.

Answer 28

Inter-network processors

Question 29

Web sites, Web browsers, HTML documents, hypermedia databases, and TCP/IP networks are examples

Answer 29

Internet networking technologies

Question 30

Networks in which end-user PCs are tied to network servers to share resources and application processing.

Answer 30

Client/server network

Question 31

Network computers provide a browser-based interfaces for software and databases provided by servers.

Answer 31

Network computing

Question 32

End-user computers connect directly with each other to exchange files.

Answer 32

Peer-to-peer networks

Question 33

Orbiting devices that provide multiple communication channels over a large geographical ar

Answer 33

Communications satellites (

Question 34

Older, traditional mainframe-based business information systems.

Answer 34

Legacy systems

Question 35

Any arrangement in which a sender transmits a message to a receiver over a channel consisting of some type of medium.

Answer 35

Telecommunications

Question 36

Provides wireless network access for laptop PCs in business settings

Answer 36

Wireless LAN

Question 37

Their goal is to improve the telecommunications environment by fostering standardized protocols, communications hardware and software, and the design of standard interfaces, among other things.

Answer 37

Network architectures

Question 38

A type of communications network consisting of terminals, processors, channels, computers, and control software

Answer 38

Telecommunications network

Question 39

Telecommunications technologies that do not rely on physical media such as cables or fiber optics.

Answer 39

Wireless technologies