The Cisco Learning Network still hosts legacy materials that can supplement general networking knowledge.
The 200-125 exam tested a candidate's ability to install, configure, and troubleshoot medium-sized routed and switched networks. Key domains included: OSI model, TCP/IP, and cabling. LAN Switching: VLANs, STP, and port security.
IPv4/IPv6 static routing, OSPFv2/v3, and EIGRP. WAN Technologies: PPP, MLPPP, and PPPoE. Infrastructure Services: DHCP, DNS, NAT, and ACLs. Management: SNMP, Syslog, and licensing. 📚 Recommended Study Resources
A popular alternative by Todd Lammle available through Wiley/Sybex.
A condensed guide by Anthony Sequeira designed for final review, available at Pearson IT Certification . 🛠️ Practice & Simulation
Online, hands-on skills enhancement tools often bundled with textbooks.
📍 If you are planning to get certified now, you should study for the current CCNA 200-301 exam.
Written by Wendell Odom and published by Cisco Press , this two-book set includes the ICND1 and ICND2 guides.