Deck 1: Introduction

Question 1

The major cost component for communications is the resource needed to transmit data across distance.

Answer 1

True

Question 2

Data compression is used to minimize the amount of information that must be transmitted in networks.

Answer 2

True

Question 3

Wireless networks have the advantage of mobility,but the disadvantage of difficult implementation.

Answer 3

False

Question 4

The four forms of information used by modern information systems are voice,data,image,and video.

Question 5

The number of computers and terminals at work in the world today is over 100 million.

Question 6

Video networks in business are used primarily to deliver programming.

Question 7

The need to store and transmit images has been a driving force in the development of networking technology.

Question 8

The types of networks commonly used in businesses today include

A)Local area networks,wide-area networks,and telephone networks.
B)Local area networks,telephone networks,and voice mail networks.
C)Wide area networks,voice mail networks,and email networks.
D)Voice mail networks,email networks,and local area networks.
E)Television networks,voice networks,and data networks.

Question 9

The three forces that have driven the architecture and evolution of data communications and networking facilities are

A)Traffic growth,advances in technology,and legal considerations.
B)Traffic growth,development of services,and advances in technology.
C)Development of services advances in technology,and legal considerations.
D)Advances in technology,lower costs,and greater capacities.
E)Voice applications,the advent of the Internet,and increased mobility of users.

Question 10

Which of the following is NOT one of the stated trends in technology identified as contributing to increasing traffic and services in networks?

A)The emergence of the Internet.
B)More and more people are discovering the World Wide Web as a valuable resource.
C)The ever-increasing use of mobile devices and applications.
D)Increasing quality and variety of services in both voice and data networks.
E)The fact the both computing and communication technologies are getting faster and cheaper.

Question 11

Which of the following is NOT one of the four types of information found on networks?

A)data
B)voice
C)video
D)image
E)control

Question 12

The basic building block of any communications facility is the transmission line.

Question 13

The two media technologies currently driving the evolution of data communications networks are local area networks and cable television networks

Question 14

The most common example of packet switched technology is the modern telephone network.

Question 15

The concept that describes the merger of previously distinct telephony and information technologies and markets is called

A)unification.
B)bundling.
C)outsourcing.
D)merger.
E)convergence.

Question 16

Communications technologies using data networks have essentially replaced telephone networks in today's business settings.

Question 17

Computerization has enhanced the range of features available to businesses for voice communication.

Question 18

Which of the following is NOT one of the four layers in the model of business-driven convergence?

A)Networks
B)Infrastructure
C)Management
D)Services
E)Applications

Question 19

Which of the following is NOT one of the main application areas that serve as one of the drivers in determining the design and makeup of enterprise networks?

A)Transaction processing
B)IP telephony
C)Multimedia messaging
D)E-business
E)Customer relationship management

Question 20

Among the application services lists given below,which lists the services in order such that the desired throughput rates are increasing?

A)Still image transfers,large file transfers,transaction processing,and voice.
B)Voice,transaction processing,still image transfers,and large file transfers.
C)Large file transfers,voice,transaction processing,and still image transfers.
D)Transaction processing,voice,still image transfers,and large file transfers.
E)Transaction processing,still image transfers,voice,and large file transfers.

Question 21

Explain why networks have become so important to businesses today?

Question 22

In the past,the data processing function was organized around a single computer.Today,it is much more common to find many computers linked by networks.This approach to data processing is called

A)Decentralized computing.
B)Disconnected computing.
C)Distributed computing.
D)Client computing.
E)Connected computing.

Question 23

Which of the following is the most commonly used standard for computer communications?

A)SLA
B)TCP/IP
C)ISO
D)USD
E)DLINK

Question 24

Contrast how circuit-switched networks and how packet-switched work.

Question 25

Explain how local area networks differ from wide area networks.