What is causing this issue?

A technician builds a bootable ISO with Repository Manager, and then mounts the ISO via the iDRAC virtual console. After the updates have completed, the technician reboots the server to apply the updates. When reviewing the updates, the technician determines NOT all updates were applied.

What is causing this issue?
A . The iDRAC update caused virtual media disconnect.
B . A SUU repository must be used to update the firmware instead of the bootable ISO.
C . An OS was NOT installed prior to upgrading the firmware.
D . The firmware must be manually updated from the iDRAC.

Answer: B