Regarding the multicast ASM model and SSM model, which of the following statements are correct? (Multiple choice)

Question

Options

• AIn the SSM model, the receiver has already known the specific location of the multicast source in advance through other means
• BSSM directly establishes m-multicast forwarding tree between the receiver and the multicast source
• CAll sources in the ASM model do not care about the location of the multicast source
• DSSM and ASM use the same multicast address range

• A
  12% (3)
• B
  77% (20)
• C
  8% (2)
• D
  4% (1)

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