Refer to the exhibit.

The current software on the Intelligent Resilient Framework (IRF) virtual device shown in the
exhibit is version 1104. The network administrator wants to upgrade to software version 1105.
What will happen when the administrator attempts to use In-Service Software Upgrade (ISSU) for
this upgrade?

A.
The IRF virtual device will not accept the ISSU commands. It will output various error
messages.

B.
When the administrator executes the switch over to the new master, a rollback will occur,
causing the software to revert to the previous version.

C.
The process can complete successfully. Some links might go down, causing temporary
failovers within link aggregation groups.

D.
When the administrator executes the switchover to the new master, an outage will occur while
this master reboots.

Explanation:
http://abouthpnetworking.com/2014/03/24/comware5-issuincompatible/http://abouthpnetworking.com/2014/03/24/comware5-issu-compatible/