Cisco Certified Network Associate (CCNA) Practice Exam

Which statements describe two benefits of VLAN Trunking Protocol?

1. VTP allows routing between VLANs.

2. VTP allows a single switch port to carry information to more than one VLAN.

3. VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.

4. VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.

The correct answer is: VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.

The benefit of VLAN Trunking Protocol (VTP) that highlights how it helps to limit configuration errors by maintaining consistent VLAN naming across the VTP domain is pivotal for network management. When network switches are configured to use VTP, they communicate VLAN information to one another within the same VTP domain. This ensures that all switches are synchronized with respect to VLAN configurations, including names and IDs. Consequently, having a uniform naming convention helps to prevent mistakes such as creating VLANs with conflicting names or unintended duplications, which could lead to confusion among network administrators and potential connectivity issues. In a network with multiple switches, consistent VLAN naming reduces the administrative burden, as administrators only need to configure a VLAN on one switch for it to propagate to all others. This promotes a coherent network design and efficient operation, as changes or updates made to VLAN configurations are uniformly applied across all participating switches. Overall, the alignment of VLAN configurations through VTP mitigates discrepancies and fosters a more organized VLAN management approach within the network infrastructure.