Portal | Level: L1: Foundations | Topics: TCP/IP, Linux Networking Tools | Domain: Networking

Duplex Mismatch¶

File	Purpose
symptoms.md	Problem statement and observable symptoms
questions.md	Diagnostic questions to work through
solution.md	Detailed root cause analysis and fix
grading.md	Self-assessment checklist
artifacts/	2 supporting file(s)

Deep Dive: TCP/IP Deep Dive (deep_dive, L2) — Linux Networking Tools, TCP/IP
Networking Deep Dive (Topic Pack, L1) — Linux Networking Tools, TCP/IP
Networking Drills (Drill, L1) — Linux Networking Tools, TCP/IP
Networking Troubleshooting (Topic Pack, L1) — Linux Networking Tools, TCP/IP
AWS Networking (Topic Pack, L1) — TCP/IP
Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — TCP/IP
Case Study: API Latency Spike — BGP Route Leak, Fix Is Network ACL (Case Study, L2) — Linux Networking Tools
Case Study: ARP Flux Duplicate IP (Case Study, L2) — Linux Networking Tools
Case Study: DHCP Relay Broken (Case Study, L1) — Linux Networking Tools
Case Study: IPTables Blocking Unexpected (Case Study, L2) — Linux Networking Tools

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