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Why is a network important to organizations today?
Timely access to information and communication are critical components of the successful operation of an organization today
Write down three reasons why a network implementatin strategy is important
- -Implementation of a network is costly
- -The network needs to fit the business of the organization
- -The network needs to be able to scale with technology and organizational size
What do you think is the most costly aspect of implementing a network for an organization?
Optimum design of the network. This is why it is not usually done
Do you think remote network management is worth the bandwidth required?
It is worth the bandwidth required as long as the use of that bandwidth does not reduce performance and throughput to unacceptable levels
Assuming you think remote network management is important, write down three reasons that a network management strategy is needed?
- -To determine how to do the desired management without excessive use of bandwidth
- -To decide which are the most important objects to manage
- -To be able to decide which management tool(s) will be the best fit to the strategy
- -To evaluate the tradeoff of cost versus strategy and implementation
The ISO has defined five categories of network maanagement. Can you pick one that is the most important? If not why?
All are typically necessary today. In addition, some aspect of one usually depends on aspects of the others. It may be possible to pick one depending on the nature of the business. One might argue that Fault Management is most critical because all the others depend on it always.
What do you think is the mosts important criteria to apply when choosing a network management system?
Chose the one that satisfies the need of the organization while requiring the minimum training to make effective use of it.
Write down on practical example of an activity for each of the five types of ISO Management Categories tha comes to mind from our experience?
- -Performance Management - timing the throughput of an application request of a server
- -Fault Management - identifying no packets are being transmitted by a switch port
- -Capacity Management- comparing the specified throughput of a router with the number of packets it is receiving in a given time
- -Accounting Management - identifying the cost centers with bandwidth use
- -Security Management - identifying the location of a source sending undesirable packets
There are now tree versions of SNMP. Why have we chosen to emphasize version 1 in this book?
- SNMPv1 is the protocol that is implemented by almost all vendors
- SNMPv1 is the simplest of the protocols yet contains almost all of the features that are needed to demonstrate network management
What is the disctinction between variables in MIB II and those in proprietary MIBs?
Variables in MIB II are standard variables generally needed by most devices. Proprietary MIBs contain objects of specific value to a particular device and that enhance its troubleshooting by the vendor.
If you had your choice, for a large network would you implement a centralized or distributed network management strategy and why?
Implementation of a distributed network management strategy is more desirable. This approach supports management focused on objects of relevance to networks servicing organizational units and minimizes global network traffic. A manager of managers approach can be used to coordinate global management when necessary.
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