Which of the following statements are true regarding the Link Management Protocol (LMP) when used in the Cisco Stackwise virtual link? (Choose two.)

Which of the following statements are true regarding the Link Management Protocol (LMP) when used in the Cisco Stackwise virtual link? (Choose two.)

A. It determines the switch priority. B. It negotiates the version of the virtual header C. It verifies link integrity via bidirectional forwarding D. It performs auto discovery of other active Stackwise switches