CCNA Cheat Sheet - 200-301 Exam Preparation Guide

The CCNA (Cisco Certified Network Associate) 200-301 exam is a comprehensive test that validates a candidate's knowledge and skills relating to network fundamentals, network access, IP connectivity, IP services, security fundamentals, and automation and programmability. This cheat sheet will serve as a helpful reference guide for those preparing for the exam, enabling them to quickly revise and reinforce key concepts required for success.

1. Network Fundamentals

- Understand network architectures, topologies, and OSI models
- Comprehend the role and functionality of network components
- Configure and verify IPv4 and IPv6 addressing
- Implement VLANs and inter-VLAN routing
- Configure and troubleshoot basic wireless network connectivity

2. Network Access

- Configure and verify switch port security features
- Troubleshoot Layer 2 protocols and issues
- Configure and troubleshoot PPP, MLPPP, and Ethernet WAN connections
- Understand and configure IPv4 and IPv6 DHCP
- Implement and verify NAT and PAT

3. IP Connectivity

- Interpret the components of routing table
- Configure and troubleshoot inter-VLAN routing
- Troubleshoot basic Layer 3 end-to-end connectivity issues using ICMP
- Configure and verify single-area OSPFv2 and OSPFv3
- Understand and configure first hop redundancy protocols: HSRP, VRRP, GLBP

4. IP Services

- Configure and verify inside source NAT using static and pools
- Understand and verify IPv4 and IPv6 ACLs
- Configure and verify basic QoS
- Understand and configure IPv4 and IPv6 static routing
- Configure and verify DHCP client and relay

5. Security Fundamentals

- Implement and verify WLAN security features
- Configure and verify network device security features
- Implement and verify access control lists (ACLs) to filter network traffic
- Implement and verify basic device hardening
- Describe and verify IPv4 and IPv6 security techniques

6. Automation and Programmability

- Interpret basic Python components and scripts
- Understand and verify Cisco DNA Center, SD-WAN, and SD-Access
- Understand and configure device management protocols (SSH, FTP, SNMP, NETCONF)
- Configure and verify NetFlow and Flexible NetFlow
- Understand and configure RESTCONF and NETCONF on Cisco routers

This CCNA cheat sheet provides a concise overview of the topics commonly covered in the 200-301 exam. However, it is important to note that this cheat sheet should not be the sole resource for exam preparation. Candidates are strongly encouraged to supplement their studies with official Cisco training materials, practice exams, and hands-on experience with network equipment.