CCNA 200-301 Troubleshooting Field Manual

kr 260,91 NOK

Not a textbook. Not a command reference. A structured way to think when the network is broken and the answer isn't obvious.

This manual walks the OSI stack bottom-up — physical, data link, network, services — because that's the bisection instinct the CCNA rewards. Every fault is laid out in the same seven parts, in the same order, every time: what you see, where it lives, the one command that kills the theory fast, the real mechanism, the trap that wastes your afternoon, the ordered fix, and what the problem becomes at CCNP depth.

Read it front to back as exam prep, or use the symptom index at the back to jump straight to a fault when something's on fire.

Inside:

  • Chapter 0 — How a CCIE narrows a problem
  • Chapter 1 — Layer 1: Physical
  • Chapter 2 — Layer 2: Data Link
  • Chapter 3 — Layer 3: Network
  • Chapter 4 — Layer 4+ & Services
  • Chapter 5 — The instruments
  • Symptom index for random access

Instant PDF download. Aligned to blueprint v1.1, current as of 2026.

Written by
Donald C. Heslop Jr. — 2× CCIE — #61970 (Enterprise Infrastructure & Security)

Delivery & requirements
Delivered as a DRM-protected, watermarked PDF via the Locklizard Safeguard Viewer. After purchase you'll install the free viewer, register your license file, and open the guide. Your license binds to the first device you open it on; additional device licenses are available separately.

  • Windows 10+, macOS 11.5+, iOS/iPadOS 15.6+, Android 6.0+
  • Admin rights required for install; activation won't complete over VPN or RDP
  • No Linux build available

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