What are two important guidelines to follow when implementing VTP？（）
- A CDPmust be enabled on all switches in theVTP management domain.
- B All switches in the VTPdomain must run the same version of VTP.
- C When using secure mode VTP， only configure management domain passwords onVTP servers.
- D EnablingVTP pruning on a server willenable the feature for the entire management domain.
- E Use of theVTPmulti-domain feature should be restricted to migration and temporary implementation.