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Networking and Internet Technology Exam Questions with Correct Answers
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Networking and Internet Technology Exam Questions with Correct Answers
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Networking and Internet TechnologyExam Questions with Correct Answers
The number of computers, terminals, and mobile devices used around the world is in
the: - Answer-billions
Networking technology facilitates the flow of information that is needed to coordinate
business activities. - Answer-true
These forces have consistently driven the architecture and evolution of data
communications and networking: - Answer-technological advancements, traffic growth,
new services
The design and infrastructure of future enterprise networks will be shaped by cloud
computing. - Answer-true
Business rationale for adoption of cloud computing includes: - Answer-increased agility
and flexibility, reduced on-premises network expenses, pay-as-you-grow computing
Convergence refers to the merger of previously unified telephony and information
technologies and markets. - Answer-false
The three-layer model of enterprise communications is comprised of applications,
enterprise services, and supply chain. - Answer-false
A key benefit of IP network convergence is: (select all that apply) - Answer-cost savings,
effectiveness, transformation
Typical components of UC architecture include: - Answer-unified messaging, presence,
audio conferencing, web conferencing, videoconferencing, instant messaging
The four major types of information carried over business networks are: - Answer-data,
image, voice, video
The basic building block of any network is the transmission line (or facility). - Answer-
true
Business managers are concerned with whether a network has the required availability
to handle traffic with acceptable reliability at an affordable cost. - Answer-false
Fiber-optic and wireless transmission are driving the evolution of data communications.
- Answer-true
,Growth in capacity and a drop in cost has led to data transmission consuming a smaller
chunk of the communications budget for most businesses. - Answer-false
Desktop systems in the workplace are typically interconnected to: - Answer-server
rooms, data communication equipment, servers, data center, communication closets,
storage technologies
As a result of the adoption of standards, equipment from multiple vendors can be used
in a single network. - Answer-true
Client server architecture provides specialized services such as database functions, file
storage, printing, and other shared services. - Answer-true
A common type of network is the LAN (local area network). - Answer-true
The dominant LAN architecture is ring. - Answer-false
Within a LAN, business managers make choices about: - Answer-the combination of
wired and wireless, transmission rates
As opposed to LANs, WANs (wide area networks) cover a smaller geographic area. -
Answer-false
There are several key distinctions between LANs and WANs: - Answer-geographic
scope, data rates, ownership of communications equipment
As companies increasingly rely on networks, the need for security: - Answer-increases
Compared to the early years of data communications when the key focus was
functionality and performance, today the key focus for businesses is management. -
Answer-true
Standards are a very important part of the data communications landscape. Several of
the most important standard-setting organizations are: - Answer-ITU-T, ISOC, NIST,
IEEE, ISO
The volume of communications traffic being transported over business networks is
increasing. - Answer-true
Audio, data, image and video are basic information sources that are useful categories
for the analysis and design of enterprise networks. - Answer-true
Business information can be transmitted in: - Answer-both: analog form and digital form
A digital system uses a sequence of discrete values to represent information. - Answer-
true
, Traditional business applications of audio services are: - Answer-voicemail, interactive
voice response systems, audio conferencing, telemarketing
Audio services may be provided to a business by: - Answer-long-distance carriers, local
telephone companies, cellular networks, competitive local exchange services
A private branch exchange (PBX) is an on-premise telephone switch that interconnects
telephones at that location that provides outside access to the public telephone system.
- Answer-true
The term for information that can be represented by a finite alphabet of symbols, such
as the numbers 0 through 9 or the symbols represented on a computer keyboard, is
data. - Answer-true
What character set in use today is the most common format for English-language text
files? - Answer-ASCII
Industry experts estimate that approximately 15 petabytes (15,000 gigabytes) of new
electronic data are created every day, much of this the result of huge growth in video,
image, audio, and social media data. - Answer-true
Examples of image-based applications used by businesses include: - Answer-digital
photographs, electronic publishing, web publishing, medical publishing
A page of text contains about 10,000 bits of 8-bit character data. The bit image of a
640x480 pixel screen in 256 color mode requires over: - Answer-two million bits
What approximate data rate would be required, without compression, to send a
resolution of 360x250 pixels with an 8-bit grayscale color palette? - Answer-25 Mbs
In terms of the networking implications of video information, real-time video traffic
without compression requires minimal bandwidth to ensure an adequate user
experience. - Answer-false
Since the 1970s, computer communication has changed from an esoteric research topic
to an essential part of everyone's lives. - Answer-true
In 1980, the Internet was a research project that involved: - Answer-less than 100 sites
Today, the Internet has grown into a production communication system that reaches all
populated countries in the world. - Answer-true
Lack of consistency in the networking field has produced a challenge - instead of
uniform terminology, multiple groups each attempt to create their own terminology,
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