This document outlines the main concepts covered in the CCNA certification, including basic hardware and networking, advanced networking concepts, and specific CCNA concepts such as configuration, commands, and real-time routing through both simulation and practical exercises.

1. CCNA MAIN CONCEPTS
 Basic of Hardware & Networking
 Advance Network Concept
 CCNA Concept
Configuration
Command Configuration
Real-time Route
i. Simulation
ii. Real-time Practical