Curriculum
Course: CompTIA-Network+ (includes Official Labs)
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Curriculum

CompTIA-Network+ (includes Official Labs)

Course Overview

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Module 1

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Module 2

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Module 3

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Module 4

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Module 5

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Module 6

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Module 7

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Text lesson

Lesson 5.7 Routing and VLAN Troubleshooting

Troubleshooting issues with routing and VLANs can be a daunting challenge, so it is important to understand the basic principles of how hosts and routers apply route selection logic to forward packets. You should also be able to use diagnostic tests methodically to establish the scope and likely cause of an issue. 

As you study this lesson, answer the following questions: 

  • How do I apply route selection logic with information in routing tables to diagnose the cause of forwarding problems?
  • How can VLAN assignment cause network communication problems?