CCNA 200-301 Quick Review Guide

Explore a LAN/WAN lab focused on essential show commands and basic router configuration. Verify running and startup configs, set hostnames, enable telnet, and ping connectivity.

Explore layer 2 vlan concepts, including dot1q and isl trunking, dtp negotiation, router on a stick vs layer 3 switching, and key vlan basics like native vlan and default gateway.

Master vlans concepts through exam-focused questions on extended vlans ranges, trunk configurations, native vlans, dtp and isl, 802.1w and 802.1S, bpdu guard, and portfast.

Master OSPF key concepts, including area zero backbone, DR and BDR roles, and neighbor exchange. Tune hello timers, costs, wildcard masks, and inter-area routing in hands-on labs.

Explore the OSPF challenge: compare MD5 or plain text authentication, DR/BDR election priorities, zero-area connections via virtual links, and stop and stub areas that block type 5 LSAs.

Practice troubleshooting OSPF in a hands-on lab, using show and debug commands, route lookups, and deliberate misconfigurations of router IDs, interfaces, and passive interfaces.

Master IPv6 concepts, including global unicast and link-local addresses, anycast to the nearest server, and built-in IPsec, while understanding deployment challenges caused by the lack of backward compatibility with IPv4.

Configure a wireless controller lab by creating a new interface and an SSID, enabling WPA 802.1x with a radius AAA server, and reviewing interface status via CLI.