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mediumDrag & DropObjective-mapped
200-901 Practice Question: Drag and drop the steps to troubleshoot a network…
Drag and drop the steps to troubleshoot a network connectivity issue using the OSI model from bottom to top.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Check physical cables and interfaces, then verify data link layer, then verify network layer, then verify transport layer, then verify application layer.
Troubleshooting follows the OSI model from physical up to application to systematically isolate the problem.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Check physical cables and interfaces, then verify data link layer, then verify network layer, then verify transport layer, then verify application layer.
Why this is correct
This follows the OSI model from bottom to top (Physical to Application), systematically isolating issues layer by layer.
- ✗
Check application layer, then transport layer, then network layer, then data link layer, then physical layer.
Why it's wrong here
This is a top-down approach, which is not from bottom to top as required. It starts with higher layers, missing lower-layer issues first.
- ✗
Check physical cables and interfaces, then verify network layer, then verify transport layer, then verify application layer, skipping data link layer.
Why it's wrong here
This skips the data link layer, which is crucial for verifying MAC addressing and switching. Missing a layer can lead to incomplete troubleshooting.
- ✗
Check network layer first, then physical cables and interfaces, then data link layer, then transport layer, then application layer.
Why it's wrong here
This starts with network layer instead of physical, which is out of order. Physical layer issues must be ruled out first in bottom-up troubleshooting.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.