An administrator receives a call indicating users reported extremely slow access to virtual machines the previous evening. Access to virtual machines performs as expected when checked by the administrator. Over the course of several days, the administrator continues to receive calls about the issue, which appears to occur at intermittent times each evening.

Which step can be taken to collect information about the issue?

A.
Create a condition alarm to alert when Datastore Disk Usage (%) exceeds 70%.

B.
Collect resxtop performance data in batch mode and analyze total number of I/O operations (CMDS/s) metrics.

C.
Create an event alarm to alert when a storage device is disconnected.

D.
Collect resxtop performance data in batch mode and analyze average device latency (DAVG/cmd) metrics.