smoothCCNA

Study for the CCNA 200-301 the way you'd learn a language: short daily lessons, instant feedback, streaks, and hands-on practice that builds real command-line muscle memory. LEARN IN BITE-SIZED JOURNEYS 12 journeys and 67 lessons take you from networking basics to automation: • Network Fundamentals – OSI & TCP/IP, cabling, TCP vs UDP, ports • IPv4 Addressing & Subnetting – binary, masks, CIDR, VLSM • IOS Basics – modes, prompts, show commands, saving your config • Securing Device Access – passwords, VTY lines, banners, SSH • Switch Management – SVIs, default gateways, addressing tables • IPv6 – address types, compression, EUI-64, SLAAC • VLANs & Trunking – access ports, 802.1Q, native VLAN, DTP • Inter-VLAN Routing & EtherChannel – router-on-a-stick, L3 switches, LACP • STP & Layer 2 Security – root election, PortFast, port security • Routing – static & default routes, OSPF, HSRP • IP Services – DHCP, NAT/PAT, NTP, Syslog, SNMP, QoS • Security, Wireless & Automation – ACLs, WLANs, SDN, REST & JSON PRACTICE REAL COMMANDS Nearly 1,000 exercises across 10 question types: multiple choice, tap-to-build commands, fill in the blank, match pairs, order the steps, read the output, troubleshoot the config, and more. Every lesson ends with a Challenge where you type the command yourself.