Which characteristics of the n+1 power redundancy mode is true?
A. It uses fully redundant PSUs supplied by different circuit.
B. It uses one more PSU than required to power the chassis.
C. It uses fully redundant PSUs supplied by a single circuit.
D. It uses the minimum number of PSUs required to power the chassis.
B is Correct.
http://networkequipmentcisco.blogspot.com/2018/03/cisco-nexus-7000-and-nexus-7700-series.html
I believe B is correct here
I concur