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Troubleshooting Processes for Complex Enterprise Networks

Chapter Description

This chapter shows you how to troubleshoot principles and approaches, implement troubleshooting processes and integrate troubleshooting into the network maintenance process.

Review Questions

  1. Which three of the following processes are subprocesses or phases of a troubleshooting process? (Choose three.)

    1. Elimination
    2. Testing
    3. Termination
    4. Problem definition
    5. Calculation
    6. Compilation
  2. Which four of the following approaches are valid troubleshooting methods? (Choose four.)

    1. Top down
    2. Bottom up
    3. Follow the path
    4. Seek-and-destroy
    5. Divide and conquer
  3. Which three of the following troubleshooting approaches use the OSI reference model as a guiding principle? (Choose three.)

    1. Top down
    2. Bottom up
    3. Follow the path
    4. Spot the differences
    5. Move the problem
    6. Divide and conquer
  4. Which of the following troubleshooting methods is most appropriate to find a bad cable?

    1. Top down
    2. Bottom up
    3. Follow the path
    4. Spot the differences
    5. Move the problem
    6. Divide and conquer
  5. Which conditions make troubleshooting by spotting the differences more effective?

  6. Which of the following has a clear problem definition?

    1. I cannot order printer cartridges because the Internet is down.
    2. My e-mail does not work.
    3. I cannot log on to the network because the server is down.
    4. When I try to access http://www.cisco.com, my Internet Explorer says that it cannot display the web page.
  7. Which two of the following resources will help in interpreting and analyzing information gathered during troubleshooting? (Choose two.)

    1. Documentation
    2. Network baseline
    3. Packet sniffers
    4. Assumptions
  8. Which of the following steps are parts of testing a hypothesis? (Choose four.)

    1. Defining a solution
    2. Creating a rollback plan
    3. Implementing the solution
    4. Defining the problem
    5. Assessing impact and urgency
  9. During which three of the troubleshooting phases could it be necessary to escalate a problem to a different department? (Choose three.)

    1. Defining the problem
    2. Gathering information
    3. Analyzing the facts
    4. Eliminating possible causes
    5. Formulating a hypothesis
    6. Solving the problem
  10. Which of the following technologies can be deployed to measure critical network performance indicators such as delay and jitter?

    1. NetFlow
    2. RMON
    3. IP SLA
    4. NBAR
  11. Which of the following phases of the troubleshooting process does not have communication as a major component?

    1. Defining the problem
    2. Solving the problem
    3. Eliminating causes
    4. Gathering information