The CCNA (Cisco Certified Network Associate) certification exam (200-301) covers a wide range of networking topics across six key domains. Here's a detailed breakdown of the topics you need to study:

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🧠 1. Network Fundamentals (20%)

1. OSI and TCP/IP models

2. IPv4 and IPv6 addressing and subnetting

3. Ethernet concepts and cabling

4. Protocols like ARP, ICMP, DNS, DHCP

5. Basic CLI commands (ping, traceroute, etc.)

🔌 2. Network Access (20%)

1. Switching concepts (MAC address table, frame forwarding)

2. VLANs and trunking (802.1Q)

3. Inter-VLAN routing

4. Spanning Tree Protocol (STP)

5. EtherChannel

6. Wireless LAN concepts (SSID, BSS, WLAN components)

7. Basic switch configuration and security (port security)

🌐 3. IP Connectivity (25%)

1. Static and dynamic routing (especially OSPFv2)

2. Routing table interpretation

3. Path selection logic

4. First Hop Redundancy Protocols (FHRP) – overview

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🔧 4. IP Services (10%)

1. Network Address Translation (NAT)

2. NTP, SNMP, QoS concepts

3. DHCP, DNS configuration and concepts

4. Syslog and logging

5. TFTP/FTP basics

🔐 5. Security Fundamentals (15%)

1. Common threats (phishing, spoofing, DoS)

2. Device security (password policies, secure access)

3. Access Control Lists (ACLs)

4. Layer 2 security features (DHCP snooping, dynamic ARP inspection)

⚙️ 6. Automation and Programmability (10%)

1. Basics of network automation and controller-based networking

2. APIs (REST, JSON)

3. Differences between traditional and software-defined networking (SDN)

4. Cisco DNA Center basics

📝 Exam Info:

1. Exam Code: 200-301 CCNA

2. Duration: 120 minutes

3. Format: Multiple choice, drag-and-drop, simulations/labs

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