VLAN Configuration and Inter-VLAN Routing Scenario-Based Questions

1. You are tasked with configuring VLANs for a company that has departments with sensitive data and departments without sensitive data. How would you design the VLANs to ensure security while allowing necessary communication?

2. A user from VLAN 10 reports that they cannot communicate with a user on VLAN 20, despite the proper inter-VLAN routing configuration. What steps would you take to troubleshoot this issue?

3. Your company recently merged with another company, and you need to integrate their existing VLANs into your network. What considerations would you take into account to ensure a smooth integration without disrupting services?

4. A remote office has been configured with a separate VLAN, but the users in this VLAN cannot access the corporate resources located in another VLAN across the WAN. How would you approach diagnosing and solving this issue?

5. You have been asked to optimize the routing for a network with multiple VLANs experiencing high latency. What strategies would you implement to optimize inter-VLAN routing performance?

6. A critical application hosted in a VLAN requires Quality of Service (QoS) to ensure it performs reliably. How would you implement QoS on a router to prioritize this traffic?

7. You're working with a legacy system that does not support VLAN tagging. How would you manage to integrate this system into a modern VLAN-based architecture?

8. You are implementing VLANs for a large organization with hundreds of users. Describe your approach to managing VLAN assignments and ensuring consistent VLAN configuration across multiple switches.

9. After enabling inter-VLAN routing, you notice that broadcast traffic is increasing and affecting network performance. What are some strategies you could employ to mitigate the impact of broadcast traffic while maintaining inter-VLAN communication?

10. A user reports intermittent connectivity issues when accessing resources on another VLAN. What advanced troubleshooting techniques would you use to identify and resolve the source of the problem?