Deck 6: Telecommunications and Networks

Question 1

Intranets seldom have much impact on communications and collaboration within an enterprise.

Answer 1

False

Question 2

A client/server network of several interconnected local area networks can replace a large mainframe-based network with many end user terminals.

Answer 2

True

Question 3

Software that is installed on intranet Web servers can be accessed by employees within the company or by external business partners who are using Web browsers, if access is allowed by the company.

Answer 3

True

Question 4

A change in technology often induces social, political, and economic system changes long before a critical mass of users is reached.

Question 5

The Internet provides electronic discussion forums and bulletin board systems that are formed and managed by special-interest newsgroups.

Question 6

In the pure peer-to-peer architecture of P2P networking, the P2P software connects your PC to a central server with the directory of all users of the network.

Question 7

The unique achievement of Napster was the empowerment of the peers, in association with a central index, to quickly and efficiently locate available content.

Question 8

An extranet is a network inside a company that uses Internet technologies to provide a private Internet-like network environment to the firm.

Question 9

The Internet, as originally conceived in the late 1960s, was a pure peer-to-peer system.8

Question 10

Middleware is an essential component of any IT infrastructure because it allows disparate systems to be isolated.

Question 11

In the central server architecture of P2P networking, the P2P software connects your PC to a central server with the directory of all users of the network.

Question 12

Output from analog devices must be converted into digital form in order to input it into a computer.

Question 13

The Internet has a central computer system that is the most powerful in the world.

Question 14

If access to data is not restricted with passwords and other security mechanisms, the integrity of the data can be easily compromised.

Question 15

The telecommunications industry has changed from a deregulated market to government-regulated monopolies.

Question 16

Booking a reservation over the Internet costs an airline about 50 percent less than booking the same reservation over the telephone.

Question 17

An intranet is a network inside an organization that uses Internet technologies to provide an Internet-like environment within the enterprise.

Question 18

The network-centric concept views the PC as the central computing resource of any computing environment.

Question 19

Business-to-business electronic commerce websites can be used by businesses to establish strategic relationships with their customers and suppliers.

Question 20

Web browser technology makes customer and supplier access of intranet resources a lot easier and faster than with previous business methods.

Question 21

Today, ordinary telephone wire is the least used medium for telecommunications.

Question 22

The Open System Interconnection (OSI) model was officially adapted as an international standard by the International Organization of Standards (ISO).

Question 23

Communications satellites can use microwave radio as their telecommunications medium.

Question 24

Skype software allows telephone conversations through a PC and over the Internet instead of a separate phone connection.

Question 25

PCS phone systems cost substantially more to operate and use than cellular systems, but have lower power consumption requirements.

Question 26

IPv6 supports over 300 trillion trillion trillion addresses.

Question 27

Wi-Fi is faster and less expensive than Standard Ethernet and other common wire-based LAN technologies.

Question 28

A Bluetooth chip is designed to replace cables; it takes the information normally carried by a cable and transmits it to a receiver Bluetooth chip.

Question 29

Multiplexers work to increase the number of transmissions possible, while also increasing the number of physical data channels.

Question 30

Each IP address is divided into three address classes, which are A, B, and
C. Class C addresses are normally owned by large Internet service providers or major corporations.
Class A addresses are normally owned by large Internet service providers or major corporations.

Question 31

The Internet uses a system of telecommunications protocols that have become so widely used that they are now accepted as a network architecture.

Question 32

Newly developed optical routers will be able to send optical signals up to 2,500 miles without regeneration.

Question 33

Voice over IP is a technology that allows a remote worker to function as if he or she were directly connected to a regular telephone network, even while at home or in a remote office.

Question 34

Telecommunications and network management software can reside in communications processors, such as multiplexers and routers.

Question 35

New technologies are extending IP addresses beyond computers to TVs, toasters, and coffeemakers.

Question 36

Developed to work Internet2, IPv6 increases the IP address size from 32 bits to 256 bits to support more levels of the address hierarchy.

Question 37

In frequency division multiplexing (FDM), a multiplexer effectively divides one high-speed channel into multiple high-speed channels.

Question 38

IP addressing can identify a particular PC connected to the Internet, but not the network to which it is attached.
C. The Class B portion of the address identifies networks.
AACSB: Technology

Question 39

An IP address is expressed as four decimal numbers separated by periods, such as 127.154.95.6.

Question 40

Mainframe-based wide area networks frequently use telecommunications monitors or teleprocessing monitors.

Question 41

Telecommunications networks now play vital and pervasive roles in Web-enabled _______________.

A) e-business processes
B) electronic commerce
C) enterprise collaboration
D) All of the choices are correct.

Question 42

Although we tend to think of the FCC as the oversight body for radio and television, it is equally involved in all aspects of data and voice communications.

Question 43

Metcalfe's law states that:

A) The usefulness or utility of a network equals the square of the number of users
B) More network nodes equals more usefulness to network members
C) Networks with too many nodes rapidly lose their effectiveness
D) The usefulness or utility of a network equals the number of users times the number of nodes

Question 44

The Internet is owned by the government of the United States.

Question 45

Telecommunications and network technologies are internetworking and revolutionizing _______________.

A) business and society
B) business and globalization
C) society and politics
D) globalization and politics

Question 46

Programming that serves to "glue together" or mediate between two separate, and usually already existing, programs is known as _______________.

A) front-line software
B) software handshaking
C) middleware
D) back-line software

Question 47

The telecommunications industry has changed _______________.

A) from a deregulated market to government-regulated monopolies.
B) not at all since 1900.
C) from government-regulated monopolies to a deregulated market.
D) none of the above.

Question 48

Packet Switching involves dividing a message into multiple packets which are transmitted over a network to the receiver.

Question 49

Which of the following statements best defines a network?

A) The usefulness or utility that comes from linking computers together
B) An interrelated or interconnected chain, group, or system
C) Computers linked together via cabling or wireless technology
D) A group of individuals linked via hardware and software

Question 50

A network with 100 nodes has 9,900 possible connections. A network with 1,000 nodes has _______________ possible connections.

A) 9,900,000
B) 999,000
C) 99,000
D) over one million

Question 51

A change in technology induces social, political, and economic system changes _______________.

A) long before a critical mass of users is reached.
B) before the technology is well understood.
C) only after a critical mass of users is reached.
D) when it is used as a political tool by radical countries.

Question 52

Narrow-band channels typically use microwave, fiber optics, or satellite transmission.

Question 53

Which of the following statements regarding Internet2 is true?

A) Internet2, like the first Internet, is open to all users
B) Internet2 uses the same infrastructure as the current Internet, so it will be easy to learn
C) The purpose of Internet2 is to build a roadmap that can be followed during the next stage of innovation for the current Internet
D) Internet2 will someday replace the original Internet

Question 54

Local and global telecommunications networks are rapidly converting to digital transmission technologies. Digital technology provides all of the following benefits over analog technology except:

A) Much lower error rates
B) Equivalent transmission speeds
C) Movement of larger amounts of information
D) Greater economy

Question 55

Open systems are a recent telecommunications trend. Open systems:

A) Use common standards for hardware, software, applications, and networking
B) Create a computing environment that is easily accessed by end users and their networked computer systems
C) Provide greater connectivity, and a high degree of network interoperability
D) All of the choices are correct.

Question 56

Frame relay technology is slower than X.25 and not as well suited to handle the heavy communications traffic of interconnected local area networks.

Question 57

Most of the institutions and commercial partners on the Internet2 network are connected via _______________, a network backbone that will soon support throughput of 10 Gbps.

A) Abilene
B) Phoenix
C) Enterprise
D) Indiana

Question 58

Skype users can call to any non-computer-based landline or mobile telephone in the world for just pennies a minute.

Question 59

Regular telephone service relies on Packet Switching, while the Internet relies on Circuit Switching.

Question 60

"Bandwidth" is typically measured in characters per second (CPS).

Question 61

A network that covers a large geographic distance, such as a state or a country, is considered a _______________ network.

A) client/server
B) local area
C) small area
D) wide area

Question 62

All of the following would typically be supported by an organization's intranet information portal except:

A) Communication and collaboration
B) Business operations and management
C) Web publishing
D) Recruitment

Question 63

ISPs are connected to one another through network _______________.

A) touch points
B) portals
C) access points
D) hubs

Question 64

The use of an intranet in an organization _______________.

A) can significantly improve communications and collaboration within an enterprise.
B) can significantly hinder communications and collaboration within an enterprise.
C) has no effect communications and collaboration within an enterprise.
D) is only possible if the organization is using WiFi.

Question 65

Which of the following statements regarding Internet Service Providers is correct?

A) ISPs provide individuals and organizations with access to the Internet for a fee
B) ISPs are independent organizations; they have no connection to one another
C) ISPs are no longer necessary for access to the Internet
D) ISPs provide a direct connection between a company's networks and the Internet

Question 66

To communicate over a network, each PC usually has a circuit board called a _______________.

A) printed circuit card
B) modem
C) router
D) network interface card

Question 67

All of the following statements about a virtual private network are correct except:

A) Uses the Internet as its main backbone network
B) Connects the intranets of a company's different locations, or establishes extranet links between a company and its customers, suppliers, and business partners
C) Relies on modem, twisted-pair wire, and router technology
D) Relies on network firewalls, encryption, and other security features to provide a secure network

Question 68

An _______________ is a network link that uses Internet technologies to interconnect the intranet of a business with the intranets of its customers, suppliers, or other business partners.

A) extranet
B) omninet
C) intranet
D) none of the above

Question 69

Which of the following best describes a local area network?

A) A network that covers a large geographic area, such as a city or state
B) A network that connects computers within a limited physical area, such as inside a single building
C) A network that covers no more than a single state
D) A private network that uses the Internet as its main backbone

Question 70

Which of the following is a key business use of the Internet?

A) Internet websites for interactive marketing and electronic commerce
B) E-mail, file transfer, and discussion forums
C) Intranet links with remote employee sites
D) All of the choices are correct.

Question 71

An _______________ is a network inside an organization that uses Internet technologies to provide an Internet-like environment within the enterprise.

A) extranet
B) omninet
C) intranet
D) none of the above

Question 72

The text lists five basic categories of components in a telecommunications network. One of these categories includes telecommunications processors, which:

A) Support data transmission and reception between terminals and computers
B) Are channels over which data are transmitted and received
C) Consist of programs that control telecommunications activities and manage the functions of telecommunications networks
D) Include input/output terminals

Question 73

The five basic categories of components in a telecommunications network include:

A) Protocols, telecommunications channels, computers, telecommunications control software, and modems
B) Terminals, telecommunications processors, telecommunications channels, computers, and telecommunications control software
C) Terminals, telecommunications channels, computers, and modems
D) Terminals, telecommunications processors, computers, modems, and protocols

Question 74

Traveling salespeople and those at regional sales offices can use the Internet, extranets, and other networks to transmit customer orders from their laptop or desktop PCs, thus breaking _______________ barriers.

A) physical
B) competition
C) structural
D) geographic

Question 75

The comparative _______________ of publishing and accessing multimedia business information internally via intranet websites has been one of the primary reasons for the explosive growth in the use of intranets in business.

A) attractiveness
B) lower cost
C) ease
D) All of the choices are correct.

Question 76

Based on the information presented in the text, telecommunications terminals are best described as:

A) Any input/output device that uses telecommunications networks to transmit or receive data, including telephones
B) Devices that support data transmission and reception between terminals and computers
C) Channels over which data are transmitted and received
D) Programs that control telecommunications activities and manage the functions of telecommunications networks

Question 77

Most companies are building e-business and e-commerce websites to achieve all of the following goals except:

A) Generate new revenue from online sales
B) Increase foot traffic at brick and mortar locations
C) Reduce transaction costs
D) Increase the loyalty of existing customers via Web customer service and support

Question 78

Applications that use the Internet and Internet-based technologies are typically less expensive to _______________ than traditional systems.

A) develop
B) operate
C) maintain
D) All of the choices are correct.

Question 79

Telecommunications-based business applications can help a company overcome all of the following barriers to business success except:

A) Time barriers
B) Geographic barriers
C) Human resource barriers
D) Cost barriers

Question 80

All of the following statements about the Internet revolution are true except:

A) The Internet has become the largest and most important network today, and has evolved into a global information superhighway
B) The central computer system of the Internet is the most powerful communications center in the world
C) The Internet is constantly expanding, as more and more businesses and other organizations join its global web
D) The Internet does not have a headquarters or governing body