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Mastering the CCNA 200-301: Complete Guide to Networking

Module 1: Networking Fundamentals

• OSI and TCP/IP models

• IP addressing (IPv4/IPv6), subnetting, VLSM

• MAC vs IP, ARP, DNS, DHCP, NAT

• Data encapsulation and forwarding

Module 2: Network Access

• Ethernet protocols and standards

• Switches, MAC address tables

• VLANs and trunking (802.1Q)

• Spanning Tree Protocol (STP, RSTP)

Module 3: IP Connectivity

• Routing fundamentals: static vs dynamic

• Default routes, administrative distance

• OSPFv2 (single area)

• First Hop Redundancy Protocols (HSRP, VRRP, GLBP)

Module 4: IP Services

• NAT, PAT

• DHCP, DNS configuration

• NTP, SNMP, Syslog

• QoS basics

Module 5: Security Fundamentals

• Device security: passwords, SSH, port security

• ACLs (standard/extended)

• Layer 2 security: DHCP snooping, DAI, BPDU Guard

Module 6: Automation and Programmability

• Introduction to SDN (software-defined networking)

• REST APIs and JSON

• Cisco DNA Center basics

• CLI vs API-driven configuration

Module 7: WAN Technologies

• WAN access types (broadband, LTE, MPLS)

• VPN types (site-to-site, remote access)

• GRE tunneling basics

Module 8: Infrastructure Management

• Device management: console, SSH, Telnet

• Backups, IOS upgrades

• Troubleshooting methodologies

Study Tips

• Use Cisco Packet Tracer or GNS3 for hands-on labs.

• Practice subnetting until it's second nature.

• Memorize key protocols and port numbers.

• Use flashcards for CLI commands and configuration steps.

• Join CCNA study groups/forums for community support.