Scenario: XenServer Pool1 must be configured to provide fault tolerance in case a host fails. Pool1 consists of 10 XenServer hosts. Which command should the administrator execute to enable fault tolerance?
A. xe pool-param-add
B. xe pool-join name=Pool1
C. xe pool-ha-enable name=Pool1
D. xe pool-ha-enable heartbeat-sr-uuids=<sr_uuid>