Which VTP mode cannot make a change to vlan?
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A. B. C. D.B
VTP (VLAN Trunking Protocol) is a Cisco proprietary protocol used to manage and maintain VLAN configurations across a switched network. It provides a way to synchronize VLAN configuration information between switches. There are three VTP modes: server, client, and transparent, and one off mode.
Server Mode: In server mode, a switch can create, modify, and delete VLANs and then propagate the changes to other switches in the same VTP domain. This mode is used to manage the VLAN database of the entire network.
Client Mode: In client mode, a switch can only receive and forward VTP advertisements. It cannot create, modify, or delete VLANs. The client mode is used when switches need to receive VLAN information but are not allowed to make any changes to the VLAN database.
Transparent Mode: In transparent mode, a switch does not participate in VTP updates. It does not create, modify, or delete VLANs. Instead, it forwards VTP advertisements out of all its trunk ports. This mode is used when you want to pass VTP traffic through the switch without affecting the VTP domain.
Off Mode: The off mode disables VTP on the switch. It neither participates in VTP updates nor forwards VTP advertisements out of its trunk ports.
Therefore, the VTP mode that cannot make a change to VLANs is the client mode. In this mode, the switch can only receive and forward VTP advertisements and cannot create, modify, or delete VLANs.