What protocol or technology requires switches to be in server mode or client mode?
- EtherChannel
- STP
- VTP
- DTP
Explanation: VLAN Trunking Protocol (VTP) is a Cisco-proprietary protocol used to synchronize and manage the VLAN database across multiple switches in a network. It requires switches to be configured in specific modes to operate: Server mode (the default) allows administrators to create, modify, or delete VLANs, while Client mode prevents local changes and instead requires the switch to receive and store VLAN information from a VTP server.
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