Exam Bank Solution Manual for Computer Networks ALINE 100% Pass
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Course
Computer Networking
Institution
Computer Networking
Exam Bank Solution Manual for Computer Networks ALINE 100% Pass
Which of the following is the most commonly used standard for computer
communications? - Answers B. TCP/IP
The four forms of information used by modern information systems are voice, data, image, and video. - Answers True
Compute...
Exam Bank Solution Manual for Computer Networks ALINE 100% Pass
Which of the following is the most commonly used standard for computer
communications? - Answers B. TCP/IP
The four forms of information used by modern information systems are voice, data, image, and video. -
Answers True
Computerization has enhanced the range of features available to businesses for voice communication. -
Answers True
Video networks in business are used primarily to deliver programming. - Answers false
Data compression is used to minimize the amount of information that must be transmitted in networks.
- Answers True
The three forces that have driven the architecture and evolution of data communications and
networking facilities are: - Answers Traffic growth, development of services, and advances in technology
Which of the following is NOT one of the four types of information found on networks? - Answers
control
Commonly referred to as cell relay, asynchronous transfer mode is a culmination of advancements in
both circuit switching and packet switching - Answers asynchronous transfer mode
The concept that describes the merger of previously distinct telephony and information technologies
and markets is called convergence. - Answers convergence
Which of the following is NOT one of the four layers in the model of business-driven convergence? -
Answers Transmission
The types of networks commonly used in businesses today include: - Answers Local area networks,
wide-area networks, and telephone networks
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: -
Answers distributed computing
Today, all networked information is sent using digital formats. - Answers False
A single bit of information represents two states or values. - Answers True
Voice communication can only be done using an analog signal. - Answers False
Response time is extremely important when implementing email systems. - Answers False
, Interlacing is a method of reducing the bandwidth requirements for video transmissions. - Answers True
When using analog communications, channel capacity is measured in hertz (Hz) where 1 Hz equals 1000
oscillations per second. - Answers False
Common examples of data include text and numerical information. - Answers True
Which of the following represents the most basic unit of digital information? - Answers bit
The time interval between when a user presses a key and when the result of
that action arrives at his or her workstation is called the: - Answers delay time
In digital systems, the information rate and the capacity of a digital channel are measured in: - Answers
bps
A pixel is the smallest single component of a digital image. - Answers pixel
A Digital system uses a sequence of discrete, discontinuous values or symbols to represent information.
- Answers Digital
Nondigital Analog systems use a continuous range of values to represent Information. - Answers Analog
With lossless compression, receivers can reproduce an exact digital duplicate of the original audio
stream transmitted by the sender by expanding/decompressing the file that is received. - Answers
lossless
When lossy compression is used, irreversible changes are made to the original file that diminishes the
quality of the original audio stream when the receiver decompresses the file. - Answers lossy
Quality of Experience (QOE) is a subjective measure of the user's perception of the overall value of the
network application or service. - Answers Quality of Experience (QOE)
Traditionally, data processing has been organized in a distributed model. - Answers False
Centralized data processing typically involves terminals connected to large computers in a central data
processing facility. - Answers True
Database applications are always distributed applications. - Answers False
Replicated databases involve copying all or part of the database to additional computers. - Answers True
A partitioned database is by definition NOT a replicated database. - Answers True
In a centralized architecture, the data processing for an application takes place on the user's computing
device. - Answers False
There has been a decreasing trend toward distributed data processing. - Answers False
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