Which statement accurately describes the difference between two loadbalancing modes specified as "member" and "node"?

There is no difference; the two terms are referenced for backward compatibility purposes.

When the loadbalancing choice references "node", priority group activation is unavailable.

Loadbalancing options referencing "nodes" are available only when the pool members are defined for the "any" port.

When the loadbalancing choice references "node", the addresses' parameters are used to make the loadbalancing choice rather than the member's parameters.