Read Protocol Fundamentals before jumping into AXI or PCIe.
For each protocol, learn the layer model first, then the waveform.
Use reports and debug pages to practice failure triage.
Use interview pages to convert knowledge into clear spoken answers.
SIGNAL -> LAYER -> CONTRACT -> METRIC -> DEBUG
1. What transaction is this?
2. Which layer owns progress?
3. Which rule or contract is being tested?
4. Which metric proves user impact?
5. Which artifact proves root cause?