A.VRRPv3 supports IPv4 and IPv6

B.VRRPv3 supports preemption

C.VRRPv3 supports stateful switchover

D.VRRPv3 supports authentication

A.Manual underlay

B.LAN automation

C.Subnet stretching

D.Automated UNDERLAY

A.Source trees guarantee the minimum amount of network latency for forwarding multicast traffic

B.Source trees can create suboptimal paths between the source and the receivers

C.Source trees use a single common root placed at some chosen point in the network

D.Source trees create an optimal path between the source and the receivers

E.Source trees can introduce latency in packet delivery

A.Make R3 an L1L2 router.

B.Make R31 an L1 router.

C.Make Area 0 L2-only.

D.Make R11 an L2 router.

A.Enable subsecond timers

B.Increase the dead timer value

C.Enable stub routing on the spokes

D.Increase the hold time value