Exam 14: Solving Network Problems
The ____ approach to network problem solving is not very scientific, and technical purists often frown on it.
A
What are the eight steps of the problem-solving process?
These are the steps of the problem-solving process: 1. Determine the problem definition and scope. 2. Gather information. 3. Consider possible causes. 4. Devise a solution. 5. Implement the solution. 6. Test the solution. 7. Document the solution. 8. Devise preventive measures.
Step 3 is "consider possible causes". Explain this step.
In this step, based on symptoms and other information you have gathered,you consider what could possibly be the cause of the problem. Experience is invaluable in this step, as the more problems you have seen, the more likely you are to recognize symptoms of a particular problem. As you proceed through this step, you'll probably gather more information. Your goal in this step is to create a checklist of possible things that could have gone wrong to cause the problem. You could create quite a list if you put your mind to it. Of course, during Step 2, you would probably have eliminated all but a few of the possible causes. If you find yourself with a long list of possible causes, you likely need to go back to Step 2 and gather more information. After you have created a list of possible causes, you can investigate each one and rule out or confirm it.
____ function at both the Physical and Data Link layers of the OSI model.
____ are software packages that can track all or part of the network traffic.
The statement "____" is not a guideline to consider when using the trial and error approach.
In Step 4 of the problem-solving process, what should you consider before devising a solution?
A network environment has ____ loaded on each network device that SNMP manages.
Perhaps the most advanced network troubleshooting device available, a(n)____ evaluates the network's overall health by monitoring all traffic.
Most experienced network administrators rely on protocol analyzers to establish baselines for network performance and to troubleshoot their networks, especially when they suspect software problems or when network (Layer ____________________)devices appear to be responsible for network problems.
You can use a(n)_________________________ (TDR)to determine whether there's a break or short in a cable.
When used with a TDR, a(n)____ can help identify shorts, sharp bends or crimps in a cable, cable breaks, and attenuation problems.
The replacement method of problem solving is disliked among PC technicians.
____ is a popular free protocol analyzer is available for both Windows and Linux/UNIX environments.
The trial and error method is not advisable when the system is not attached to a live network.
The ____ product line ranges from software solutions to help analyze traffic on a small LAN or LAN segment to hardware-based products that can help troubleshoot a large enterprise network.
Most manufacturers store their technical support problems and solutions in a database called a knowledge base or a(n)______________________________ (FAQ)document.
Why is it important to set hardware and software standards to help prevent network problems?
Devising preventive measures is called reactive network management.
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