Network Foundation (Associate)

All tracks are open below. Scroll and explore—each topic is a quick “chip” for fast scanning.

IPv4 — Addressing & Subnetting IPv6 — Modern Addressing CCNA — Core R&S Catalog

IPv4 — Addressing & Subnetting

From the absolute basics to real design: classful, CIDR, VLSM and summarization.

Introduction to Networking

Start with essential building blocks.

What is a Network? Network Types The Internet & DNS

Introduction to IPv4 Addressing

Format, classes and private ranges.

IPv4 Address Format Classful Addressing (A/B/C) Private IPv4 Addressing

Subnetting, CIDR & Summarization

Subnetting Basics Classful Subnetting — Examples CIDR / Classless — Examples VLSM — Design & Planning Route Summarization (Supernetting)

VLSM — End-to-End Labs

VLSM Workflow VLSM — Class C Walkthrough VLSM — Class B Walkthrough VLSM — Class A Walkthrough

IPv6 — Modern Addressing

Understand the structure, address types and practical subnetting in IPv6.

Introduction to Networking

What is a Network? Network Types The Internet & DNS

Introduction to IPv6 Addressing

Structure, types and subnetting strategy.

IPv6 Address Structure IPv6 Address Types IPv6 Subnetting

CCNA — Core Routing & Switching Catalog

A compact, scrollable catalog of the most important CCNA topics and labs.

Overview of Networking

Network Types The Internet & DNS

IP Addressing

Address Classes & Private Ranges Subnetting (Classful & CIDR) VLSM & Summarization

Models & Protocols

OSI vs TCP/IP Models TCP & UDP Basics

Getting Started on Cisco

Router Components Initial & Basic Configuration Console & Remote Access Saving / Loading Configs

WAN & PPP

PPP & Interfaces CHAP / PAP Authentication MLPPP & PPPoE

Remote Management

Telnet & SSH Local Users & Passwords Privileges & AAA (Intro)

LAN Switching

VLANs & Trunking (802.1Q) Inter-VLAN Routing EtherChannel — LACP / PAgP STP / RSTP / MST Port Security

Infrastructure Services

DHCP — Server & Relay DNS & NTP HSRP — First Hop Redundancy

NAT & PAT

Static NAT Dynamic NAT PAT (Overload)

IP Routing

Routing Basics & Default Routes OSPF — Single & Multi-Area EIGRP — Overview

QoS, Maintenance & Security

QoS Classification / Marking Policing / Shaping / Prioritization Backups & IOS Image Management ACLs — Standard / Extended / Named / Time-based IPv6 ACLs