Deck 1: Introduction

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سؤال
The number of computers and terminals at work in the world today is over 100 million.
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لقلب البطاقة.
سؤال
The major cost component for communications is the resource needed to transmit data across distance.
سؤال
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
سؤال
Mobility is the newest frontier for ICT managers.
سؤال
The basic building block of any communications facility is the transmission line.
سؤال
Convergence refers to the merger of previously distinct telephony and information technologies and markets.
سؤال
Wireless networks have the advantage of mobility,but the disadvantage of difficult implementation.
سؤال
Which of the following is NOT one of the four types of information found on networks?

A)data
B)control
C)video
D)voice
سؤال
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
سؤال
Video networks in business are used primarily to deliver programming.
سؤال
The two media technologies currently driving the evolution of data communications networks are local area networks and cable television networks.
سؤال
The four forms of information used by modern information systems are voice,data,image,and video.
سؤال
Cloud computing is being embraced by all major business software vendors with the exception of Oracle.
سؤال
The most common example of packet switched technology is the modern telephone network.
سؤال
Commonly referred to as cell relay,_________ is a culmination of advancements in both circuit switching and packet switching

A)asynchronous transfer mode
B)frame relay
C)convergence
D)MAN
سؤال
The need to store and transmit images has been a driving force in the development of networking technology.
سؤال
Data compression is used to minimize the amount of information that must be transmitted in networks.
سؤال
Communications technologies using data networks have essentially replaced telephone networks in today's business settings.
سؤال
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

A)Increasing quality and variety of services in both voice and data networks
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
سؤال
Computerization has enhanced the range of features available to businesses for voice communication.
سؤال
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
سؤال
__________ refers to live meetings or presentations in which participants access the meeting or presentation via a mobile device or the Web,either over the Internet or corporate intranet.
سؤال
Convergence can be thought of in terms of a three-layer model of enterprixe communications: applications,enterprise services,and _________.
سؤال
Three key benefits of IP network convergence are: cost savings,transformation, and _________.
سؤال
At the ________ level the manager deals with the information network in terms of the services that must be available to ensure that users can take full advantage of the applications that they use.

A)enterprise services
B)communications infrastructure
C)network infrastructure
D)application
سؤال
__________ is similar to online chat because it is text-based and exchanged bidirectionally in real time.

A)Audio conferencing
B)Instant messaging
C)Presence
D)Web conferencing
سؤال
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)client computing
C)distributed computing
D)connected computing
سؤال
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
سؤال
Which of the following are emerging enterprise network applications?

A)video broadcasting and smart objects
B)cloud computing and telepresence
C)video enriched collaboration and cloud computing
D)all of the above
سؤال
_________ is the ability to determine,in real time,where someone is,how he or she prefers to be reached,and what he or she is currently doing.
سؤال
A __________ is the element that provides UC users with a unified user interface across communication devices.
سؤال
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)Multimedia messaging

A)Transaction processing
B)IP telephony
D)E-business
سؤال
The type of network commonly used at business premises is called a __________.
سؤال
An architecture where multiple computers provide database functions,file services,printing services,and other specialized functions on a shared basis for many users is called a _____________ architecture.
سؤال
The concept that describes the merger of previously distinct telephony and information technologies and markets is called ___________.

A)unification
B)outsourcing
C)merger
D)convergence
سؤال
The type of network commonly used with multiple premises in businesses is called a ____________.
سؤال
__________ systems provide a common repository for messages from multiple sources.
سؤال
__________ allows users in two or more locations to interact simultaneously via two-way video and audio transmission.

A)Web conferencing
B)Unified messaging
C)Videoconferencing
D)Audio conferencing
سؤال
Which of the following is the most commonly used standard for computer communications?

A)SLA
B)TCP / IP
C)ISO
D)USD
سؤال
Two types of transmission media recently gaining in popularity in business communications are __________ connections and fiber optic cables.
سؤال
__________ is a U.S.federal agency that deals with measurement science, standards,and technology related to U.S.government use and to the promotion of U.S.private sector innovation.
سؤال
In a __________ network data are transmitted in a sequence of small chunks that are passed through the network from switching node to switching node along some path leading from source to destination.
سؤال
___________ is a nongovernmental organization that promotes the development of standardization and related activities with a view to facilitating the international exchange of goods and services,and to developing cooperation in the spheres of intellectual,scientific,technological,and economic activity.
سؤال
The __________ is an international organization within the United Nations System in which governments and the private sector coordinate global telecom networks and services.
سؤال
A classic example of __________ is the telephone network.
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ملء الشاشة (f)
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Deck 1: Introduction
1
The number of computers and terminals at work in the world today is over 100 million.
True
2
The major cost component for communications is the resource needed to transmit data across distance.
True
3
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
B
4
Mobility is the newest frontier for ICT managers.
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5
The basic building block of any communications facility is the transmission line.
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6
Convergence refers to the merger of previously distinct telephony and information technologies and markets.
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7
Wireless networks have the advantage of mobility,but the disadvantage of difficult implementation.
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8
Which of the following is NOT one of the four types of information found on networks?

A)data
B)control
C)video
D)voice
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9
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
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10
Video networks in business are used primarily to deliver programming.
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11
The two media technologies currently driving the evolution of data communications networks are local area networks and cable television networks.
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12
The four forms of information used by modern information systems are voice,data,image,and video.
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13
Cloud computing is being embraced by all major business software vendors with the exception of Oracle.
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14
The most common example of packet switched technology is the modern telephone network.
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15
Commonly referred to as cell relay,_________ is a culmination of advancements in both circuit switching and packet switching

A)asynchronous transfer mode
B)frame relay
C)convergence
D)MAN
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16
The need to store and transmit images has been a driving force in the development of networking technology.
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17
Data compression is used to minimize the amount of information that must be transmitted in networks.
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18
Communications technologies using data networks have essentially replaced telephone networks in today's business settings.
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19
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

A)Increasing quality and variety of services in both voice and data networks
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
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20
Computerization has enhanced the range of features available to businesses for voice communication.
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21
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
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22
__________ refers to live meetings or presentations in which participants access the meeting or presentation via a mobile device or the Web,either over the Internet or corporate intranet.
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23
Convergence can be thought of in terms of a three-layer model of enterprixe communications: applications,enterprise services,and _________.
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24
Three key benefits of IP network convergence are: cost savings,transformation, and _________.
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فتح الحزمة
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25
At the ________ level the manager deals with the information network in terms of the services that must be available to ensure that users can take full advantage of the applications that they use.

A)enterprise services
B)communications infrastructure
C)network infrastructure
D)application
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26
__________ is similar to online chat because it is text-based and exchanged bidirectionally in real time.

A)Audio conferencing
B)Instant messaging
C)Presence
D)Web conferencing
فتح الحزمة
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27
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)client computing
C)distributed computing
D)connected computing
فتح الحزمة
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28
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
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29
Which of the following are emerging enterprise network applications?

A)video broadcasting and smart objects
B)cloud computing and telepresence
C)video enriched collaboration and cloud computing
D)all of the above
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30
_________ is the ability to determine,in real time,where someone is,how he or she prefers to be reached,and what he or she is currently doing.
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31
A __________ is the element that provides UC users with a unified user interface across communication devices.
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32
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)Multimedia messaging

A)Transaction processing
B)IP telephony
D)E-business
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33
The type of network commonly used at business premises is called a __________.
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34
An architecture where multiple computers provide database functions,file services,printing services,and other specialized functions on a shared basis for many users is called a _____________ architecture.
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35
The concept that describes the merger of previously distinct telephony and information technologies and markets is called ___________.

A)unification
B)outsourcing
C)merger
D)convergence
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36
The type of network commonly used with multiple premises in businesses is called a ____________.
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37
__________ systems provide a common repository for messages from multiple sources.
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38
__________ allows users in two or more locations to interact simultaneously via two-way video and audio transmission.

A)Web conferencing
B)Unified messaging
C)Videoconferencing
D)Audio conferencing
فتح الحزمة
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39
Which of the following is the most commonly used standard for computer communications?

A)SLA
B)TCP / IP
C)ISO
D)USD
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40
Two types of transmission media recently gaining in popularity in business communications are __________ connections and fiber optic cables.
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41
__________ is a U.S.federal agency that deals with measurement science, standards,and technology related to U.S.government use and to the promotion of U.S.private sector innovation.
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42
In a __________ network data are transmitted in a sequence of small chunks that are passed through the network from switching node to switching node along some path leading from source to destination.
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43
___________ is a nongovernmental organization that promotes the development of standardization and related activities with a view to facilitating the international exchange of goods and services,and to developing cooperation in the spheres of intellectual,scientific,technological,and economic activity.
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44
The __________ is an international organization within the United Nations System in which governments and the private sector coordinate global telecom networks and services.
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45
A classic example of __________ is the telephone network.
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