Network+

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20.    A, D. The best places to get updates (such as patches, fixes, and upgrades) for a particular software or hardware item is from either the manufacturer of that item or the OEM distributor. They can provide patches and more on a website or via a CD mailing.


Chapter




Troubleshooting

THE FOLLOWING NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:


4.2    Given a troubleshooting scenario involving a small office/ home office network failure (e.g., xDSL, cable, home satellite, wireless, POTS), identify the cause of the failure.


4.3    Given a troubleshooting scenario involving a remote connectivity problem (e.g., authentication failure, protocol configuration, physical connectivity), identify the cause of the problem.


4.6 Given a network scenario, interpret visual indicators (e.g., link lights, collision lights, etc.) to determine the nature of the problem.


■/ 4.7 Given output from a diagnostic utility (e.g., tracert, ping, ipconfig, etc.), identify the utility and interpret the output.


■/ 4.9 Given a network problem scenario, select an appropriate course of action based on a general troubleshooting strategy. This strategy includes the following steps:


1    Establish symptoms.


2    Identify the affected area.


3    Establish what has changed.


4    Select the most probable cause.


5    Implement a solution.


6    Test the result.


7    Recognize the potential effects of the solution.


8    Document the solution.


Vх 4.10 Given a troubleshooting scenario involving a network with a particular physical topology (i.e., bus, star/hierarchical, mesh, ring, and wireless) and including a network diagram, identify the network area affected and the cause of the problem.

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