220 hands-on CCNA scenarios you build in your own Cisco Modeling Labs instance and grade against the answer key. CCNA configuration and troubleshooting practice for CCNA and CCNP.
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Hands-on CCNA beginner lab: build a 3-router chain with end hosts, enable OSPFv2 area 0, form full adjacencies, advertise loopbacks and LANs, verify route propagation end-to-end, and intentionally create then resolve an OSPF area mismatch on a transit segment.
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Hands-on CCNA lab: build VLANs for Sales and Engineering, implement 802.1Q trunks with a hardened native VLAN, assign access ports, and apply sticky MAC port-security on access interfaces. The design uses a compact, realistic branch topology with a router-on-a-stick gateway, a distribution L2 switch, one access L2 switch, and two end hosts. Students deploy, verify, and troubleshoot VLAN reachability, trunk integrity, and port-security violations.
Configure a compact branch LAN with router-on-a-stick inter-VLAN routing, two access switches, and two user VLANs. Implement VLANs, 802.1Q trunks with a hardened native VLAN, secure user-facing ports with port-security, and verify end-to-end reachability from the hosts. Includes realistic troubleshooting of VLAN assignment, trunk allow-lists, and port-security violations.
Build and harden a small branch campus Layer 2 network with a distribution switch and two access switches. Implement VLANs, trunking, and basic port security, then verify from the end hosts and troubleshoot common L2 mistakes.
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