What is the purpose of the VLAN Trunking Protocol?
- maintaining consistency in VLAN configuration across the network
- routing frames from one VLAN to another
- routing the frames along the best path between switches
- tagging user data frames with VLAN membership information
- distributing BPDUs to maintain loop-free switched paths
Exam with this question: CCNA 3 Exploration v4.0 Chapter 4 Quiz
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