An administrator sees the following error in the log files:

Which two events could be the source of the error message? (Choose two.)

A. vCenter Server failure

B. VXLAN failure

C. Disk array failure

D. Network failure

E. ESXi host failure

Explanation:

To determine why the heartbeat, I/O operations never complete:

Note the date/time when the lost access to volume message was reported and check the ESXi host logs for related information.

Verify that there are no connectivity issues between the ESXi host and the storage device.

Reference: