Which method should the administrator use to create redundant management networks?

A vSphere administrator needs to add redundancy to an ESXi 5.x management network on
a vSphere Standard Switch. Which method should the administrator use to create
redundant management networks?

A.
Configure an additional management portgroup on the same vSwitch

B.
Create a second management network on a second vSwitch in the same subnet

C.
Configure the management network vSwitch with two active uplinks

D.
Create a second management network on the same vSwitch in the same subnet