Before attempting to verify the operation of LLT, GAB, or the cluster, the following steps are
taken: Log in to any node in the cluster as superuser. Place the VCS command directory in
your PATH variable: # export PATH=$PATH:/usr/sbin:/sbin:/opt/VRTS/bin:/opt/VRTSvcs/bin
Which command is invalid for configuration verification?

A.
hastatus -summary
B.
lltstat -nvv
C.
haconf -display
D.
gabconfig -a