HANDS-ON. NOT HYPOTHETICAL.
Lab library
Pick a challenge. Follow the evidence. Find your fix.
Available
DHCP· Beginner/Intermediate
Workstation Cannot Obtain an IP Address
PC-02 fell back to APIPA. Trace DHCP DORA, find the VLAN fault, and restore a valid lease.
20 minLaunch lab
Available
VLAN· Intermediate
VLAN Configuration Problem
VLAN 20 traffic cannot cross the switches. Inspect the 802.1Q trunk, repair its allowed list, and verify connectivity.
25 minLaunch lab