Free CCNA Practice Tests
Practice for your Cisco CCNA exam with free topic-based quizzes. Each question includes a detailed explanation so you understand the material, not just the answer.
OSPF
Test your knowledge of OSPF areas, LSAs, DR/BDR elections, and route calculation.
Spanning Tree Protocol
Test your knowledge of STP, RSTP, port roles, and loop prevention in switched networks.
DHCP
Test your knowledge of DHCP configuration, the DORA process, relay agents, reservations, and troubleshooting on Cisco devices.
Command Line Basics
Test your knowledge of essential Cisco IOS command-line configuration, navigation, security, and troubleshooting commands.
Inter-VLAN Routing
Test your knowledge of router-on-a-stick, SVIs, Layer 3 switching, trunking, and inter-VLAN routing troubleshooting.
VLAN Configuration
Test your knowledge of VLAN creation, access ports, trunking, 802.1Q tagging, VTP, and VLAN security.
Port Security
Test your knowledge of secure MAC addresses, violation modes, sticky learning, aging, and port security troubleshooting.