The network administrator maps VLAN 10 through 20 to MST instance 2. How will this information be propagated to all appropriate switches？（）
- A Information will be carried in the RSTP BPDUs.
- B It will be propagated in VTP updates.
- C Information stored in the Forwarding Information Base and the switch will reply on query.
- D Multiple Spanning Tree must be manually configured on the appropriate switches.