CCNA – Cisco Certified Network Associate

CCNA – Cisco Certified Network Associate

CCNA is a globally recognized entry-level networking certification from Cisco.

It validates your knowledge and skills in network fundamentals, routing, switching, and security, preparing you for real-world networking roles.

🔹 Why CCNA Is Important

• Industry-recognized credential
• Helps in network engineer or IT support roles
• Foundation for advanced Cisco certifications (CCNP, CCIE)
• Shows employers you understand network design, operations, and troubleshooting

🔹 Exam Overview (CCNA 200-301)

Key Topics Covered:

1. Network Fundamentals

• OSI & TCP/IP models
• IP addressing & subnetting
• Ethernet, Wi-Fi, cabling

1. Network Access

• VLANs, trunking
• Inter-VLAN routing
• Spanning Tree Protocol (STP)

1. IP Connectivity

• Static & dynamic routing (RIP, OSPF)
• Routing tables & default routes

1. IP Services

• DHCP, NAT, NTP
• DNS basics
• Network device management

1. Security Fundamentals

• Access control lists (ACLs)
• Port security
• VPN & firewall basics

1. Automation & Programmability

• REST APIs & network automation concepts
• Cisco DNA Center basics

🔹 Skills You Will Gain

• Configure and troubleshoot routers & switches
• Subnetting and IP address planning
• VLAN and inter-VLAN routing setup
• Basic network security configurations
• Implement QoS, NAT, DHCP
• Understand Cisco device CLI

🔹 Recommended Study Resources

• Cisco Packet Tracer for labs
• Cisco Official Cert Guide
• Online labs and simulation tools
• YouTube tutorials & CCNA courses
• Practice exams (MCQs + simulations)