Free CompTIA Network+ N10-009 Practice Question

When troubleshooting a network issue, a technician decides to employ a bottom-to-top approach using the OSI model. Which layer would they start their troubleshooting from?

  • Physical layer

  • Application layer

  • Network layer

  • Transport layer

This question's topic:
CompTIA Network+ N10-009 / 
Network Troubleshooting
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