Which is NOT a correct igroup configuration?
A. Two different iQNs placed in different OS-type igroups and mapped to two different LUNs
B. Two different IQNs placed in an igroup and mapped to a single LUN
C. A single IQN placed in an igroup and mapped to a single LUN
D. A single IQN placed in two different OS-type igroups and mapped to a single LUN