多选题Which three statements are true about Source Specific Multicast？（）AIs best suited for applications that are in the one-to-many category.BSSM uses shortest path trees only.CThe use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.DThere are no RPs to worry about.
多选题
Which three statements are true about Source Specific Multicast？（）
A
Is best suited for applications that are in the one-to-many category.
B
SSM uses shortest path trees only.
C
The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.
D
There are no RPs to worry about.
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