Tag Archives: JNCIA-Junos

Your JNCIA-Junos (JN0-102) Study Tracker


If you know anything about my approach to certifications, you will know that I am a huge proponent of building a tracker to make sure you are studying the right topics and to measure your progress and keep yourself accountable.

NOTE: I only show Section 1 below on my blog home page – you might need to click the READ MORE link in order to see the other sections.

Section 1: Networking Fundamentals

Identify the concepts and functionality of various fundamental elements of networking

  • The function of routers and switches
  • Optical network fundamentals – SONET/SDH, OTN
  • Ethernet networks
  • Layer 2 addressing, including address resolution
  • IPv4 and IPv6 fundamentals
  • Layer 3 / IP addressing, including subnet masks
  • Subnetting and supernetting
  • Decimal to binary conversion
  • Longest match routing
  • Connection-oriented vs. connectionless protocols

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