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单项选择题In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?()

A、When Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.

B、When Area 0 is active, the loopback address is automatically advertised into other areas.

C、When Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.

D、When Area 0 is active, the router-id must be configured for the loopback address to be advertised.

  • A
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