To prepare for the CCNA (Cisco Certified Network Associate) certification (exam code 200-301), you should focus on several core networking topics. Here’s a detailed breakdown of what you should study:

✅ 1. Network Fundamentals
OSI and TCP/IP models

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IPv4 and IPv6 addressing and subnetting

Ethernet, cabling, and basic network topologies

MAC address, ARP, and switching concepts

✅ 2. Network Access
VLANs and trunking (802.1Q)

Inter-VLAN routing

Spanning Tree Protocol (STP)

Wireless LAN concepts and components (SSID, BSS, etc.)

Basic switch configuration and port security

✅ 3. IP Connectivity (Routing)
Static routing

Dynamic routing protocols (especially OSPF)

Routing table and path selection

IPv4 and IPv6 routing

✅ 4. IP Services
DHCP (Dynamic Host Configuration Protocol)

NAT (Network Address Translation)

DNS, SNMP, NTP

First Hop Redundancy Protocols (e.g., HSRP)
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Quality of Service (QoS) basics

✅ 5. Security Fundamentals
Security threats (malware, DoS, spoofing, etc.)

ACLs (Access Control Lists)

Layer 2 security (e.g., port security, DHCP snooping)

VPN concepts and secure access control

✅ 6. Automation and Programmability
Basics of network automation and orchestration

Introduction to APIs, REST, JSON

Concepts of controller-based networking (like SDN)

🧠 Study Tips:
Use Cisco’s official CCNA study guide or Cisco Networking Academy

Practice with Packet Tracer or GNS3 for simulations

Take online practice exams to test your knowledge

Watch tutorials and follow labs/hands-on exercises

Would you like a free study plan or a list of recommended resources (books, videos, and labs)?

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