Level 0 – 🧱 Foundations
0.1 – OSI & TCP/IP Models
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Day 1. Networking Devices
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Day 2. Interfaces And Cables
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Day 4. Intro to the CLI
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Day 7. IPv4 Addressing - Part 1
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Day 8. IPv4 Addressing - Part 2
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Day 9. Switch Interfaces
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Day 10. The IPv4 Header
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Day 11. Routing Fundamentals - Part 1
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Day 11. Static Routing - Part 2
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Day 12. Life of a Packet
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Day 13. Subnetting - Part 1
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Day 14. Subnetting - Part 2
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Day 15. Subnetting (VLSM) - Part 3
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Day 16. VLANS - Part 1
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Day 17. VLANS - Part 2
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Day 18. VLANS - Part 3
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Day 19. VTP
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Day 20. Spanning Tree Protocol - Part 1
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Day 21. Spanning Tree Protocol - Part 2
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Day 22. Rapid Spanning Tree Protocol
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Day 23. Etherchannel
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Day 24. Dynamic Routing
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Day 25. EIGRP
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Day 26. OSPF - Part 1
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Day 27. OSPF - Part 2
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Day 28. OSPF - Part 3
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Day 30. TCP and UDP
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Day 31. IPv6 - Part 1
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Day 32. IPv6 - Part 2
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Day 33. IPv6 - Part 3
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Day 34. Standard Access Control List
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Day 35. Extended Access Control List
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Day 36. CDP and LLDP
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Day 37. NTP - Network Time Protocol
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Day 38. DNS - Domain Name System
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Day 41. SYSLOG (System Logging Protocol)
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Day 42. SSH - Secure Shell
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Day 43. FTP and TFTP
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Day 44. NAT (Static) - Part 1
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Day 45. NAT (Dynamic) - Part 2
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Day 46. QoS (Voice VLANs) Part 1
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Day 48. Security Fundamentals
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Day 49. Port Security
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Day 50. DHCP Snooping
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Day 51. Dynamic Arp Inspection
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Day 52. LAN Architectures
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Day 53. WAN Architectures
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Day 54. Virtualization (VRF) - Part 3
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Day 55. Wireless Fundamentals
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Day 56. Wireless Architectures
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Day 57. Wireless Security
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Day 58. Wireless Configuration
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Day 60. JSON, XML, and YAML
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Day 61. REST APIs
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Day 62. SOFTWARE DEFINED NETWORKING
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Day 63. ANSIBLE, PUPPET, and CHEF