Which two multicast address ranges are assigned as source-specific multicast destination addresses and are reserved for use by source-specific applications and protocols？（）A、232.0.0.0/8B、239.0.0.0/8C、232.0.0.0/4D、FF3x：：/32E、FF2x：：/32F、FF3x：：/16
Which two multicast address ranges are assigned as source-specific multicast destination addresses and are reserved for use by source-specific applications and protocols？（）
- A、232.0.0.0/8
- B、239.0.0.0/8
- C、232.0.0.0/4
- D、FF3x：：/32
- E、FF2x：：/32
- F、FF3x：：/16
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