Week 9: Network Tools and Troubleshooting

210 instructional minutes | five 42-minute lessons

This week turns network knowledge into support practice. You will select technician tools, read command evidence, isolate failures in layers, and work the complete Core 1 network troubleshooting symptom set.

Lesson sequence

1. Troubleshoot in Layers
2. Complete Technician Network Tool Set
3. Read IP, Route, DNS, and Connectivity Evidence
4. Complete Network Symptom Lab
5. Network Incident Defense

Evidence you will produce

• physical/software network-tool selection record;
• IP/route/DNS evidence interpretation;
• multi-station network symptom log;
• incident defense with controlled correction and verification.

A+ alignment

Primary coverage: Core 1 objectives 2.8 and 5.5.

Safety boundary

Use supplied/simulated output and fictional systems. No live packet capture, scanning, credential use, or school-network configuration changes.