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INSY 3303 CHAPTER 6 EXAM QUESTIONS WITH ANSWERS
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INSY 3303 CHAPTER 6 EXAM QUESTIONS WITH ANSWERS...
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What are the keys to designing a successful data communications network? -ANSWER A thorough needs analysis, developing one or more physical network
designs, designing to operate and maintain with minimal staff intervention.
How does the traditional approach to network design differ from the building
block approach? - ANSWER Traditional network designs used a very structured
approach for the analysis and design. This by default built in limitations to the
growth and need to change network designs as the needs of the organization and
technology itself changed.
Describe the three major steps in current network design - ANSWER Needs
analysis, technology design and cost assessment
What is the most important principle in designing networks? - ANSWER
Completing a thorough needs analysis that takes into consideration the needs of
the organization over the short and long-term. From this analysis then a logical
network design can be developed to ensure that the network can satisfy all
needs over time.
Why is it important to analyze needs in terms of both application systems and
users? - ANSWER Because you want to make sure that the network can support
the bandwidth and other operational characteristics required by the user
applications.
Describe the key parts of the technology design step. - ANSWER It examines
the available technologies and assesses which options will meet the users' needs.
The designer makes some estimates about the network needs of each category
of user and circuits in terms of current technology and matches needs to
technologies.
How can a network design tool help in network design? - ANSWER Network
design tools can perform a number of functions to help in the technology design
process. Other network design tools can discover the existing network; that is,
, once installed on the network, they will explore the network to draw a network
diagram. For example, simulation is used to model the behavior of the
communication network.
On what should the design plan be based? - ANSWER The design plan should
be based on the geographic scope of the network, the number of users and
applications, the current and future network needs of the various network
segments, and the costs of the network and maintaining the network.
What is an RFP, and why do companies use them? - ANSWER While some
network components can be purchased "off-the-shelf," most organizations
develop a request for proposal (RFP) before making large network purchases.
RFPs specify what equipment, software, and services are desired and ask
vendors to provide their best prices. Some RFPs are very specific about what
items are to be provided in what time frame. In other cases, items are defined as
mandatory, important, or desirable, or several scenarios are provided and the
vendor is asked to propose the best solution. In a few cases, RFPs specify
generally what is required and the vendors are asked to propose their own
network designs. Once the vendors have submitted their proposals, the
organization evaluates them against specified criteria and selects the winner(s).
Depending upon the scope and complexity of the network, it is sometimes
necessary to redesign the network based on the information in the vendor's
proposals.
The RFP process helps the company to refine and determine what to purchase.
It establishes a formal process that becomes well-documented and as a result
leaves the company with not only a rationale for what has been purchased but
documented proof of how the company arrived at its conclusions as to what
vendors would be awarded contract(s) from the company.
What are the key parts of an RFP? - ANSWER Background Information,
Network requirements, Service Requirements, Bidding Process, Information
required from vendor
What are some major problems that can cause network designs to fail? -
ANSWER Technology design problems, Needs analysis problems, Overall
problems with the design process
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