Which statement about VLAN configuration is true?
A. The switch must be in VTP server or transparent mode before you can configure a VLAN
B. The switch must be in config-vlan mode before you configure an extended VLAN
C. Dynamic inter-VLAN routing is supported on VLAN2 through VLAN 4064
D. A switch in VTP transparent mode save the VLAN databases to the running configuration only
In VTP version 1 and 2, a switch must be in VTP transparent mode when you create extended-range VLANs. If VTP mode is server or client, an error message is generated, and the extended-range VLAN is rejected. VTP version 3 supports extended VLANs in server and transparent modes.
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configuration/guide/3750xscg/swvlan.html#12069