A customer is in the process of configuring a redundant pair of VIO Servers. They need to test that
SEA failover has been correctly enabled. Which command can the padmin UserID use (on the
active SEA, ent4) to manually force an SEA failover event?

A.
chdev ent4 -attr ha_mode=True

B.
chdev -l ent4 -attr ha_mode=failed

C.
chdev -d ent4 -attr ha_mode=Active

D.
chdev -dev ent4 -attr ha_mode=standby

Explanation: