Which two statements describe source trees in a multicast environment? (Choose two.)

Which two statements describe source trees in a multicast environment? (Choose two.)

A. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic B. Source trees create an optimal path 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 can introduce latency in packet delivery E. Source trees can create suboptimal paths between the source and the receivers