Which policy would you change to form a port channel between a Cisco UCS 6248 and a Cisco UCS 2208?

The chassis discovery policy is a global policy for all chassis that are connected to the fabric interconnect. The policy sets the minimum number of IOM links required for chassis discover. The policy is flexible and allows either a uniform number of links or a mixed number of links per chassis. The recommended configurations is to set the chassis discovery policy to the lowest number of IOM links allowed on any chassis

The discovery policy allows the setting of a link grouping policy which can be set to create a Port Channel between the fabric interconnect and the IOM modules of the chassis

The answer is therefore B