Deck 6: Telecommunications and Networks

Question 1

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

Answer 1

True

Question 2

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

Answer 2

False

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

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

Question 5

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

Question 6

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

Question 7

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

Question 8

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 9

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 10

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

Question 11

Supersol discovered that sharing business intelligence with their competition improved the quality of the goods in their warehouses.

Question 12

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

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

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

Question 19

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 20

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

Question 21

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

Question 22

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

Question 23

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

Question 24

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

Question 25

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

Question 26

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.

Question 27

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

Question 28

Communications satellites can use microwave radio as their telecommunications medium.

Question 29

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

Question 30

IPv6 supports over 300 trillion trillion trillion addresses.

Question 31

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 32

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 33

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

Question 34

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

Question 35

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

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

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

Question 38

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

Question 39

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

Question 40

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

Question 41

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 42

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

Question 43

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 44

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

Question 45

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 46

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

Question 47

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 48

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 49

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

Question 50

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 51

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 52

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

Question 53

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 54

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 55

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 56

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 57

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

Question 58

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 59

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 60

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 61

Older, traditional mainframe-based business information systems are called _______________ systems.

A) historical
B) standard
C) legacy
D) application

Question 62

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 63

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 64

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 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

All the following describe a VPN except:

A) A VPN uses the Internet as its main backbone network.
B) A VPN relies on network firewalls, encryption, and other Internet and intranet security features.
C) A VPN uses the Internet to establish secure intranets between its distant offices and locations.
D) A VPN is available for use by anyone with access to the Internet.

Question 67

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 68

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 69

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 70

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

Question 71

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 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

Most Linux distributions are released via BitTorrent to help with _______________ needs.

A) security
B) bandwidth
C) user registration
D) file compression

Question 74

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 75

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 76

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 77

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 78

In telecommunications networks, twisted-pair wire:

A) Is the least commonly used medium
B) Facilitates mobile data communication
C) Is used for both voice and data transmission
D) Is commonly laid on the floors of lakes and oceans

Question 79

ISPs are connected to one another through network _______________.

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

Question 80

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