Lammle emphasizes "real-world" experience over just memorizing facts. Best Resources to Pass CCNA in 2021
Todd Lammle is a world-renowned authority on Cisco networking, and his CCNA Study Guides are among the most popular resources for passing the exam. CCNA by Todd Lammle
Static routes, OSPF (Single Area), and floating statics. VLANs: Trunking (802.1Q), Inter-VLAN routing, and VTP. IP Services: NAT/PAT, DHCP, NTP, and SNMP. Security: ACLs (Standard/Extended), Port Security, and SSH. OSPF (Single Area)
Routers, switches, and next-gen firewalls. Ethernet & Cabling: Media types, PoE, and interface speeds. and floating statics. VLANs: Trunking (802.1Q)
The DoD model, address classes, and easy subnetting. IPv6: Addressing, SLAAC, and transition technologies. Wireless: 802.11 standards, WLCs, and security. Volume 2: Routing, Switching & Beyond