Which benefit does In-Service Software Upgrades (ISSU) provide?

A.
Schedules and performs switch upgrades through HP Intelligent Management Center (IMC)

B.
Upgrades members of an IRF virtual switch one at a time to avoid services disruption

C.
Upgrades members of the IRF virtual switch simultaneously to ensure all members use the
same software version

D.
Automatically checks for software updates on the HP Websites, downloads the new software,
and upgrades the switches

Explanation: