Cisco Certified Network Associate (CCNA) Practice Exam 2025 - Free CCNA Practice Questions and Study Guide

Question: 1 / 1055

What command enables VTP pruning on a switch?

(config)#vtp pruning

To enable VTP (VLAN Trunking Protocol) pruning on a switch, the command issued in the configuration mode is indeed "vtp pruning." This command allows the switch to reduce unnecessary VLAN traffic on trunk links by dynamically managing the distribution of VLAN information. When VTP pruning is enabled, the switch intelligently prunes (or removes) VLANs from the trunk links if there are no active devices in that VLAN on the receiving switches. This not only optimizes bandwidth but also enhances the overall efficiency of the network.

In order to use the command correctly, it must be executed within the global configuration mode of the switch, ensuring that pruning applies to all applicable VLANs across the trunked links. Enabling VTP pruning is a critical step for network engineers looking to optimize VLAN traffic flow and manage resources effectively within a switching environment.

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(config)#enable vtp pruning

#vtp prune

#vtp mode pruning

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