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4.8    Given a scenario, predict the impact of modifying, adding, or removing network services (e.g., DHCP, DNS, WINS, etc.) on network resources and users. (2%)

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 (4%):

1.    Establish the 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.

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. (3%)

4.11    Given a network troubleshooting scenario involving a client connectivity problem (e.g., incorrect protocol/client software/authentica-tion configuration, or insufficient rights/permission), identify the cause of the problem. (5%)

4.12    Given a network troubleshooting scenario involving a wiring/ infrastructure problem, identify the cause of the problem (e.g., bad media, interference, network hardware). (3%)

Good Luck!

Here are a few things to remember when taking your test:

■    Get a good night’s sleep before the exam.

■    Bring two forms of ID with you. One form must be a photo ID, such as a driver’s license. The other can be a major credit card or a passport. Both forms must have a signature.

■    Take your time on each question. Don’t rush.

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