Which statement is correct about GLBP?

GLBP allows for per-host load balancing. It does this by allowing the active virtual router to respond for the virtual IP address. The AVG then hands out the MAC address in the ARP request for one of the active virtual forwarders. It does this in a round-robin fashion. The active virtual gateway will respond with the active virtual forwarder; an active router is a concept used with HSRP. GLBP will not load balance per-subnet; HSRP can be set up with a different HSRP group for each VLAN. The virtual router is not responsible for responding to the tracking requests; the active virtual router is responsible for this task.