Refer to the exhibit. All multilayer switches are running PIM dense mode. Recipient A and
Recipient B are sending IGMPv2 join messages to their respective multilayer switches.
Which statement is true?

A.
The Multicast Server is the root of the multicast tree. Switches 1, 3, 4, and 5 will
participate in the multicast tree once pruning has taken place.

B.
The Multicast Server is the root of the multicast tree. Switches 4 and 5 will participate in
the multicast tree once pruning has taken place.

C.
Switch 3 is the root of the multicast tree. Switches 3,4, and 5 will participate in the
multicast tree once pruning has taken place.

D.
Switch 3 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the
multicast tree once pruning has taken place.

E.
Switch 1 is the root of the multicast tree. Switches 1,4, and 5 will participate in the
multicast tree once pruning has taken place.

F.
Switch 1 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the
multicast tree once pruning has taken place.