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Cisco CCNA Routing and Switching 200-120 Exam Cram, 4th Edition, Video Enhanced Edition by Keith Barker, Michael Valentine

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Chapter Eleven. Troubleshooting

ImageTroubleshooting Routing Issues Introduction

This chapter covers the following official CCNA Routing and Switching 200-120 exam topics:

Troubleshoot and resolve Layer 1 problems.

Troubleshoot and resolve VLAN problems.

Troubleshoot and resolve trunking problems on Cisco switches.

Troubleshoot and correct common problems associated with IP addressing and host configurations.

Troubleshoot and resolve ACL issues.

Troubleshoot Layer 1 Problems

ImageTroubleshooting Switch Operation Introduction

Lesson 5: Understanding ...

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