Which two options about PIM-DM are true? (Choose two.)
A.
PIM-DM initally floods multicast traffic throughout the network.
B.
In a PIM-DM network, routers that have no upstream neighbors prune back unwanted traffic.
C.
PIM-DM supports only shared trees.
D.
PIM-DM uses a pull model to deliver multicast traffic.
E.
PIM-DM cannot be used to build a shared distribution tree.
A & B are correct.
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PIM-DM use pull and prune model
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I think there’s 3 correct here. I agree A and B but I believe E is also correct. PIM-DM uses source trees. Sparse mode uses shared trees.
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