Which of the following statements about virtual machine online migration is correct? (Multiple choice)

Which of the following statements about virtual machine online migration is correct? (Multiple choice)
A . When migrating hosts and storage online, the memory data and image files of the virtual machine are transmitted through the management network.
B . When migrating hosts and storage online, the memory data of the virtual machine is transmitted through the management network, and the image file is transmitted through the storage network.
C . When migrating a host online, the virtual machine of the destination host is first sent off in a paused manner, and then the memory data of the original virtual machine is copied. Finally, the original virtual machine is shut down, and the virtual machine of the destination host changes from the paused state to the running state.
D . When the migration is not completed within the migration timeout, the system will pause the original virtual machine so that it can quickly complete the migration. After the migration is completed, the virtual machine will be restored to the running state.

Answer: ACD