Question 1 of 30
A network engineer is troubleshooting a connectivity issue in a large enterprise network where multiple VLANs are configured. The engineer notices that devices in VLAN 10 can communicate with each other, but they cannot reach devices in VLAN 20. The engineer suspects that the issue may be related to inter-VLAN routing. What is the most effective initial step the engineer should take to diagnose the problem?
Verify the configuration of the Layer 3 switch or router handling inter-VLAN routing.
Check the physical connections of the devices in VLAN 20.
Review the DHCP settings for VLAN 10 to ensure proper IP assignment.
Inspect the firewall rules that may be blocking traffic between VLANs.

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